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zhengxiu 93d856d5c5 css umn 25.6.0 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: zhengxiu <zhengxiu@huawei.com>
Co-committed-by: zhengxiu <zhengxiu@huawei.com>
2025-11-25 11:34:43 +00:00

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How Do I Set Slow Query Log Thresholds for an Elasticsearch Cluster of CSS?

The slow query log settings of CSS are the same as those of Elasticsearch. You can configure slow query logs via the _settings API. For example, you can run the following command in Kibana to set the index level:

PUT /my_index/_settings
{
    "index.search.slowlog.threshold.query.warn": "10s",
    "index.search.slowlog.threshold.fetch.debug": "500ms",
    "index.indexing.slowlog.threshold.index.info": "5s"
}
  • If a query takes longer than 10 seconds, a WARN log will be generated.
  • If retrieval takes longer than 500 milliseconds, a DEBUG log will be generated.
  • If an index takes longer than 5 seconds, an INFO log will be generated.

For details, visit the official website: https://www.elastic.co/guide/cn/elasticsearch/guide/current/logging.html