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https://issues.apache.org/jira/browse/CASSANDRA-8584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378739#comment-14378739
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Jeremy Hanna commented on CASSANDRA-8584:
-----------------------------------------
FWIW, many users with small to moderately sized clusters read the log files
(say up to 100 nodes). Beyond that I imagine many users are taking advantage
of tools like logstash/kibana and splunk. Also the output.log isn't as
commonly viewed as people ime assume that everything is in the system.log.
> Add strerror output on failed trySkipCache calls
> ------------------------------------------------
>
> Key: CASSANDRA-8584
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8584
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Joshua McKenzie
> Assignee: Joshua McKenzie
> Priority: Trivial
> Fix For: 2.1.4
>
> Attachments: 8584_v1.txt, NoSpamLogger.java, nospamlogger.txt
>
>
> Since trySkipCache returns an errno rather than -1 and setting errno like our
> other CLibrary calls, it's thread-safe and we could print out more helpful
> information if we failed to prompt the kernel to skip the page cache. That
> system call should always succeed unless we have an invalid fd as it's free
> to ignore us.
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