Runbook
Elasticsearch Slow Index Flushing
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Overview
When the Elasticsearch cluster takes too much time to flush indices to disk, it can cause performance issues. This means that data may not be written to disk as quickly as expected, which can lead to slow queries and other problems. This type of incident can be caused by a variety of factors, including hardware issues, network latency, or misconfiguration. It is important to monitor Elasticsearch closely to ensure that indices are being flushed to disk in a timely manner.
Parameters
Debug
Check if Elasticsearch is running
Check Elasticsearch logs for any errors
Check the Elasticsearch cluster health
Check if Elasticsearch indices are being flushed to disk
Check total number of index flushed to disk
Retrieve flush total time from elasticsearch cluster.
Check Elasticsearch node status
Check Elasticsearch segment count
Check Elasticsearch segment sizes
Check if Elasticsearch is using too much memory
Repair
Learn more
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