cassandra-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Nick Bailey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6231) Add snapshot disk space to cfstats
Date Tue, 26 Nov 2013 19:24:36 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832916#comment-13832916
] 

Nick Bailey commented on CASSANDRA-6231:
----------------------------------------

I'd just like to make a note that we've (opscenter) seen issues with inspecting snapshots
for LCS column families. LCS can create a very large number of sstable files (anywhere from
10k to 100k+ range) , and just storing strings for all the file names was giving us some issues.
In our case we were dealing with much smaller heap sizes though. Also this is already handling
duplicate sstables, but it doesn't sound unreasonable that the number of distinct files could
get extremely large, even by just taking daily snapshots.

> Add snapshot disk space to cfstats
> ----------------------------------
>
>                 Key: CASSANDRA-6231
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6231
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jonathan Ellis
>            Assignee: Mikhail Stepura
>            Priority: Minor
>              Labels: lhf
>         Attachments: CASSANDRA-2.0-6231-v2.patch, CASSANDRA-2.0-6231-v3.patch, CASSANDRA-2.0-6231.patch
>
>
> As discussed in CASSANDRA-6179, this could help avoid some user confusion, especially
when snapshots are autocreated for drop/truncate.



--
This message was sent by Atlassian JIRA
(v6.1#6144)

Mime
View raw message