Mackerel Advent Calendar 2025

19 participant

25 followers

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Category：DevOps & Infrastructure & SRE

Creator：

@kga

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株式会社はてなが提供する、可観測性プラットフォーム「Mackerel（マカレル）」に関するTipsやノウハウ、利用事例、やってみた、などをみんなで書いて盛り上がりましょう！ ⛄️🎉

投稿された記事の発信はX公式アカウント @mackerelio_jp でも行います。ぜひフォローして更新をチェックしてください！

過去のAdvent Calendar

2024年 https://qiita.com/advent-calendar/2024/mackerel
2023年 https://qiita.com/advent-calendar/2023/mackerel
2022年 https://qiita.com/advent-calendar/2022/mackerel
2021年 https://qiita.com/advent-calendar/2021/mackerel
2020年 https://qiita.com/advent-calendar/2020/mackerel
2019年 https://qiita.com/advent-calendar/2019/mackerel
2018年 https://qiita.com/advent-calendar/2018/mackerel
2017年 https://qiita.com/advent-calendar/2017/mackerel
2016年 https://qiita.com/advent-calendar/2016/mackerel
2015年 https://qiita.com/advent-calendar/2015/mackerel

How to join the calendar

You can join the calendar by selecting an available date and registering the URL of the article you wish to link to. If a slot is available, you can go back to a past date to join!

Series 1

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@KikuLabo Mackerel アンバサダー就任！さくらのクラウド × Mackerel で「国産オブザーバビリティ」を全力で盛り上げたい Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Msksgm 「国産サービスで実践するオブザーバビリティ入門 [第二弾]」読書感想 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Arthur1 Mackerelカスタムダッシュボードおまかせ生成機能の裏側 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga 開発者コミュニティのみなさんと交流した1年 — Mackerel 2025年のイベント活動ふりかえり Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@mur_ms_ 子育て中でも K-POP カムバ初速を観測したいので、Mackerel にメトリックを送ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@momochi29 Mackerel MCPを使ってAIでISUCONを解いてみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@mashiike MackerelでSelf-hosted dbt Fusion(preview)の監視をやってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@KikuLabo 1on1 の「調子どう？」にメトリクスで答える —— Oura Ring × Mackerel で自分を可視化してみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee Mackerel APM のデモを支えなかった技術 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sfujiwara Prometheusで構築されたメトリック収集システムをMackerelに移行する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@do-su-0805 Mackerelのホストメタデータ機能を使って、ホスト上にインストールされているパッケージ一覧をログインなしに確認する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@ne_sachirou observalibity の柱である MELT の "E" : Mackerel のグラフアノテーションを活用する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kmuto Mackerelの個人的に良かったリリース2025 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@sogahisashi Mackerel 2-side 布教 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazeburo JSONL ログから柔軟にメトリクスを生成する ― mackerel-plugin-jsonl を作った話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@cohalz Mackerelのアラート履歴をグラフアノテーションに投稿してダッシュボードで確認する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee 群れに埋もれた『名もなきホスト』へ。サーバー管理者の愛が紡ぐ、新しい絆の物語 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@rokoucha コンテナ化したVarnish Cache(Vinyl Cache)のメトリックをMackerelで可視化する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@masarashi check-logでマッチしたログを1行ごとにアラートにするラッパーを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga Cloudflare AI Search で Mackerel ドキュメントを検索するチャットボットを作った Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@kmuto ルンバのバッテリー残量をMackerelで監視している話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@inommm Traefik Ingress Controller のトレーシングを試してみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kurikenta マグル（非エンジニア）の私がOpenTelemetry とバトルした話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga OpenTelemetryでコマンドラインツールを観測する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee Mackerel Advent Calendar 2025 完走！参加エントリーと感想を一挙公開 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@KikuLabo
Mackerel アンバサダー就任！さくらのクラウド × Mackerel で「国産オブザーバビリティ」を全力で盛り上げたい
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@Msksgm
「国産サービスで実践するオブザーバビリティ入門 [第二弾]」読書感想
Overwrite
Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@Arthur1
Mackerelカスタムダッシュボードおまかせ生成機能の裏側
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@kga
開発者コミュニティのみなさんと交流した1年 — Mackerel 2025年のイベント活動ふりかえり
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@mur_ms_
子育て中でも K-POP カムバ初速を観測したいので、Mackerel にメトリックを送ってみた
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@momochi29
Mackerel MCPを使ってAIでISUCONを解いてみる
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
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@mashiike
MackerelでSelf-hosted dbt Fusion(preview)の監視をやってみる
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@KikuLabo
1on1 の「調子どう？」にメトリクスで答える —— Oura Ring × Mackerel で自分を可視化してみた
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@yohfee
Mackerel APM のデモを支えなかった技術
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sfujiwara
Prometheusで構築されたメトリック収集システムをMackerelに移行する
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
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@do-su-0805
Mackerelのホストメタデータ機能を使って、ホスト上にインストールされているパッケージ一覧をログインなしに確認する
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You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
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When you participate, we will assume that you have agreed to the terms of use
@ne_sachirou
observalibity の柱である MELT の "E" : Mackerel のグラフアノテーションを活用する
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@kmuto
Mackerelの個人的に良かったリリース2025
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@sogahisashi
Mackerel 2-side 布教
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@kazeburo
JSONL ログから柔軟にメトリクスを生成する ― mackerel-plugin-jsonl を作った話
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About reserved posting
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@cohalz
Mackerelのアラート履歴をグラフアノテーションに投稿してダッシュボードで確認する
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@yohfee
群れに埋もれた『名もなきホスト』へ。サーバー管理者の愛が紡ぐ、新しい絆の物語
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URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@rokoucha
コンテナ化したVarnish Cache(Vinyl Cache)のメトリックをMackerelで可視化する
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You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
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Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
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@masarashi
check-logでマッチしたログを1行ごとにアラートにするラッパーを作ってみた
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@kga
Cloudflare AI Search で Mackerel ドキュメントを検索するチャットボットを作った
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@kmuto
ルンバのバッテリー残量をMackerelで監視している話
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@inommm
Traefik Ingress Controller のトレーシングを試してみる
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@kurikenta
マグル（非エンジニア）の私がOpenTelemetry とバトルした話
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@kga
OpenTelemetryでコマンドラインツールを観測する
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@yohfee
Mackerel Advent Calendar 2025 完走！参加エントリーと感想を一挙公開
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Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@KikuLabo Mackerel アンバサダー就任！さくらのクラウド × Mackerel で「国産オブザーバビリティ」を全力で盛り上げたい Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Msksgm 「国産サービスで実践するオブザーバビリティ入門 [第二弾]」読書感想 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@Arthur1 Mackerelカスタムダッシュボードおまかせ生成機能の裏側 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga 開発者コミュニティのみなさんと交流した1年 — Mackerel 2025年のイベント活動ふりかえり Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@mur_ms_ 子育て中でも K-POP カムバ初速を観測したいので、Mackerel にメトリックを送ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@momochi29 Mackerel MCPを使ってAIでISUCONを解いてみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@mashiike MackerelでSelf-hosted dbt Fusion(preview)の監視をやってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@KikuLabo 1on1 の「調子どう？」にメトリクスで答える —— Oura Ring × Mackerel で自分を可視化してみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee Mackerel APM のデモを支えなかった技術 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@sfujiwara Prometheusで構築されたメトリック収集システムをMackerelに移行する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@do-su-0805 Mackerelのホストメタデータ機能を使って、ホスト上にインストールされているパッケージ一覧をログインなしに確認する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@ne_sachirou observalibity の柱である MELT の "E" : Mackerel のグラフアノテーションを活用する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kmuto Mackerelの個人的に良かったリリース2025 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@sogahisashi Mackerel 2-side 布教 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazeburo JSONL ログから柔軟にメトリクスを生成する ― mackerel-plugin-jsonl を作った話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@cohalz Mackerelのアラート履歴をグラフアノテーションに投稿してダッシュボードで確認する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee 群れに埋もれた『名もなきホスト』へ。サーバー管理者の愛が紡ぐ、新しい絆の物語 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@rokoucha コンテナ化したVarnish Cache(Vinyl Cache)のメトリックをMackerelで可視化する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@masarashi check-logでマッチしたログを1行ごとにアラートにするラッパーを作ってみた Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga Cloudflare AI Search で Mackerel ドキュメントを検索するチャットボットを作った Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@kmuto ルンバのバッテリー残量をMackerelで監視している話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@inommm Traefik Ingress Controller のトレーシングを試してみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kurikenta マグル（非エンジニア）の私がOpenTelemetry とバトルした話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kga OpenTelemetryでコマンドラインツールを観測する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@yohfee Mackerel Advent Calendar 2025 完走！参加エントリーと感想を一挙公開 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@KikuLabo
Mackerel アンバサダー就任！さくらのクラウド × Mackerel で「国産オブザーバビリティ」を全力で盛り上げたい
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@Msksgm
「国産サービスで実践するオブザーバビリティ入門 [第二弾]」読書感想
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@Arthur1
Mackerelカスタムダッシュボードおまかせ生成機能の裏側
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@kga
開発者コミュニティのみなさんと交流した1年 — Mackerel 2025年のイベント活動ふりかえり
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@mur_ms_
子育て中でも K-POP カムバ初速を観測したいので、Mackerel にメトリックを送ってみた
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@momochi29
Mackerel MCPを使ってAIでISUCONを解いてみる
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@mashiike
MackerelでSelf-hosted dbt Fusion(preview)の監視をやってみる
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@KikuLabo
1on1 の「調子どう？」にメトリクスで答える —— Oura Ring × Mackerel で自分を可視化してみた
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@yohfee
Mackerel APM のデモを支えなかった技術
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@sfujiwara
Prometheusで構築されたメトリック収集システムをMackerelに移行する
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@do-su-0805
Mackerelのホストメタデータ機能を使って、ホスト上にインストールされているパッケージ一覧をログインなしに確認する
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@ne_sachirou
observalibity の柱である MELT の "E" : Mackerel のグラフアノテーションを活用する
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@kmuto
Mackerelの個人的に良かったリリース2025
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@sogahisashi
Mackerel 2-side 布教
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@kazeburo
JSONL ログから柔軟にメトリクスを生成する ― mackerel-plugin-jsonl を作った話
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@cohalz
Mackerelのアラート履歴をグラフアノテーションに投稿してダッシュボードで確認する
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@yohfee
群れに埋もれた『名もなきホスト』へ。サーバー管理者の愛が紡ぐ、新しい絆の物語
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@rokoucha
コンテナ化したVarnish Cache(Vinyl Cache)のメトリックをMackerelで可視化する
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@masarashi
check-logでマッチしたログを1行ごとにアラートにするラッパーを作ってみた
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@kga
Cloudflare AI Search で Mackerel ドキュメントを検索するチャットボットを作った
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@kmuto
ルンバのバッテリー残量をMackerelで監視している話
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@inommm
Traefik Ingress Controller のトレーシングを試してみる
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@kurikenta
マグル（非エンジニア）の私がOpenTelemetry とバトルした話
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@kga
OpenTelemetryでコマンドラインツールを観測する
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@yohfee
Mackerel Advent Calendar 2025 完走！参加エントリーと感想を一挙公開
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You can increase the number of series when Calendar 1 is filled with more than 10 articles.

Mackerel Advent Calendar 2025

過去のAdvent Calendar

edit_calendarHow to join the calendar

Series 1

How to join the calendar