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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6962) examine shortening path length post-5202
Date Mon, 19 May 2014 19:10:38 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14002190#comment-14002190
] 

Jonathan Ellis commented on CASSANDRA-6962:
-------------------------------------------

bq. Looks like it was lowered across the board and not on a per-platform basis.

Yeah, nobody *really* needs keyspace names that long; not worth explaining why your linux
snapshot broke when you moved to windows if we can avoid it.

bq. On snapshots we'll be using 204 chars worst-case (48 KS, 48 CF, *2 each, 9 for "snapshots",
3 for slashes) so that doesn't leave us a lot of breathing room on path for data_file_directories.

So...  review this for 3.0?  It's not a ton of code.

> examine shortening path length post-5202
> ----------------------------------------
>
>                 Key: CASSANDRA-6962
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6962
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Yuki Morishita
>             Fix For: 2.1 rc1
>
>         Attachments: 6962-2.1.txt
>
>
> From CASSANDRA-5202 discussion:
> {quote}
> Did we give up on this?
> Could we clean up the redundancy a little by moving the ID into the directory name? e.g.,
ks/cf-uuid/version-generation-component.db
> I'm worried about path length, which is limited on Windows.
> Edit: to give a specific example, for KS foo Table bar we now have
> /var/lib/cassandra/flush/foo/bar-2fbb89709a6911e3b7dc4d7d4e3ca4b4/foo-bar-ka-1-Data.db
> I'm proposing
> /var/lib/cassandra/flush/foo/bar-2fbb89709a6911e3b7dc4d7d4e3ca4b4/ka-1-Data.db
> {quote}



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