[jira] [Created] (SOLR-11483) Keep more transaction log files when maxNumLogsToKeep is specified

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[jira] [Created] (SOLR-11483) Keep more transaction log files when maxNumLogsToKeep is specified

JIRA jira@apache.org
Varun Thacker created SOLR-11483:
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             Summary: Keep more transaction log files when maxNumLogsToKeep is specified
                 Key: SOLR-11483
                 URL: https://issues.apache.org/jira/browse/SOLR-11483
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
            Reporter: Varun Thacker


We allow users to control the number of transaction log files the system should keep ( maxNumLogsToKeep ) and the number of records to keep ( numRecordsToKeep )

However just by setting numRecordsToKeep we are not guaranteed that the system will actually keep that many records.  

This comment explains why - https://issues.apache.org/jira/browse/SOLR-6359?focusedCommentId=15214361&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15214361

A tradeoff would be if a user explicitly specifies  numRecordsToKeep and doesn't specify maxNumLogsToKeep then we should use a higher default for maxNumLogsToKeep ( say 1000 instead of 10 today )

Off course better documentation will help so if others think this is a bad idea then we can close this out and just make sure it's documented and if users know about one parameter they will know about the other parameter as well



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