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From "Vijay (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-5521) move IndexSummary off heap
Date Mon, 29 Apr 2013 03:38:16 GMT


Vijay commented on CASSANDRA-5521:

Seems inefficient to make the "get pair" the unit of fetching memory,
Ahaa good point will fix it.

What's the upgrade path? Would prefer "automatically rebuilds old summaries" to "user has
to manually blow away summaries or it dies trying to start."
It is automatic, but until the user runs scrub or until the new SST's are created the startup
will be slow.
> move IndexSummary off heap
> --------------------------
>                 Key: CASSANDRA-5521
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Vijay
>             Fix For: 2.0
> IndexSummary can still use a lot of heap for narrow-row sstables.  (It can also contribute
to memory fragmentation because of the large arrays it creates.)

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