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Can anyone explain these elasticsearch logs for me please:
原标题:

[2024-03-14T06:28:03,694][INFO ][o.e.c.m.MetadataDeleteIndexService] [ra-node-1] [employee/mfZeszL8T9GW2bHC9C5Yyg] deleting index

[2024-03-14T06:30:39,430][INFO ][o.e.c.m.MetadataCreateIndexService] [ra-node-1] [employee] creating index, cause [api], templates [], shards [1]/[1]

I didn t understand the log very well... I want to create a custom rule in Wazuh , so i need to understand the log

问题回答
[2024-03-14T06:28:03,694][INFO ][o.e.c.m.MetadataDeleteIndexService] [ra-node-1] [employee/mfZeszL8T9GW2bHC9C5Yyg] deleting index
  • This log message was generated at 06:28:03,694 on the 14 March 2024
  • It is an INFO message
  • It was generated from the org.elasticsearch.cluster.metadata.MetadataDeleteIndexService logger inside Elasticsearch
  • It as logged from an Elasticsearch node named ra-node-1
  • The employee index, which has uuid mfZeszL8T9GW2bHC9C5Yyg was deleted.

That is, the log format is:

  • [
  • DATE
  • T
  • TIME
  • ][
  • LEVEL(width=5)
  • ][
  • LOGGER(with package name shorted to only the first letter)
  • ] [
  • NODE_NAME
  • ] [
  • INDEX_NAME
  • /
  • INDEX_UUID
  • deleting index

For the second log line, the prefix is the same, but the message is

[employee] creating index, cause [api], templates [], shards [1]/[1]

Where employee is the index name, api means it was created by a REST API request, templates [] means no index templates were used to define the index, [1]/[1] means 1 primary shard and 1 replica.





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