[jira] [Commented] (CASSANDRA-9643) Warn when an extra-large partition is compacted

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-9643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612339#comment-14612339 ] 

Jonathan Ellis commented on CASSANDRA-9643:
-------------------------------------------

Hmm, I can't apply 5fd93eb8b6e82c7e6ad2c24dedab424e1865b164 to current 2.1.  Can you rebase again?

Nit: no distinction is made for compaction algorithm on large partitions anymore, suggest the following language:

            logger.warn("Compacting large partition {}/{}:{} ({} bytes)", metadata.ksName, metadata.cfName, keyString, rowSize); 

> Warn when an extra-large partition is compacted
> -----------------------------------------------
>
>                 Key: CASSANDRA-9643
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9643
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Stefania
>             Fix For: 2.1.x
>
>
> We used to log a warning when compacting an extra-large partition (CompactionController.getCompactedRow) but took that out as part of CASSANDRA-6142.  Let's add back a warning.  (Perhaps in SSTW.append, since MetadataCollector.update doesn't know the partition key and we will want to include that in the log.)
> Size threshold should be configurable in cassandra.yaml and default to 100MB.



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