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From "Brandon Williams (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-6356) Proposal: Statistics.db (SSTableMetadata) format change
Date Fri, 22 Nov 2013 19:12:35 GMT


Brandon Williams commented on CASSANDRA-6356:

I kind of like that, in a pinch, you can use the DIGEST component by itself offline in shell
to validate your sstables and/or find corruption if need be.

> Proposal: Statistics.db (SSTableMetadata) format change
> -------------------------------------------------------
>                 Key: CASSANDRA-6356
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Yuki Morishita
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 2.1
> We started to distinguish what's loaded to heap, and what's not from Statistics.db. For
now, ancestors are loaded as they needed.
> Current serialization format is so adhoc that adding new metadata that are not permanently
hold onto memory is somewhat difficult and messy. I propose to change serialization format
so that a group of stats can be loaded as needed.

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