Categories
SysOps

How to increase the limit of the mmap counts

Increase the limit of the mmap counts for Elasticsearch service.

Categories
SysOps

How to automatically rollover Elasticsearch index

Automatically rollover Elasticsearch index using by time.

Categories
DevOps

How to create Elasticsearch cluster using docker

Create an Elasticsearch cluster using docker to learn how it behaves during specific operations.

Categories
SysOps

How to calculate Elasticsearch average documents number in recent days

Calculate Elasticsearch’s average documents number in recent days using a shell script.

Categories
SysOps

How to retry Elasticsearch shard allocation

Retry Elasticsearch shard allocation that was blocked due to too many subsequent allocation failures.

Categories
SysOps

How to calculate Elasticsearch hit ratio

Calculate Elasticsearch hit ratio using command-line curl utility.

How to delete old Elasticsearch indices

Delete old Elasticsearch indices using Elasticsearch Curator utility.

How to display default Elasticsearch settings

Display default Elasticsearch settings.