$ dd if=/dev/zero of=zero bs=1024k count=128
128+0 records in
128+0 records out
134217728 bytes transferred in 0.199715 secs (672045843 bytes/sec)
$ curl -v -H "Expect:" -XPOST localhost:9200/ --data-binary @zero
Refer: https://github.com/elastic/elasticsearch/issues/2902#issuecomment-267572324