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From "Jonathan Ellis (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-9643) Warn when an extra-large partition is compacted
Date Wed, 16 Sep 2015 15:41:46 GMT


Jonathan Ellis commented on CASSANDRA-9643:

NB: for 2.2.2, changed warning text from "Compacting large partition" to "Writing large partition",
since this is (correctly) triggered on flush as well.

> Warn when an extra-large partition is compacted
> -----------------------------------------------
>                 Key: CASSANDRA-9643
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Stefania
>             Fix For: 2.2.0 rc2, 2.1.8
> 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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