[jira] [Assigned] (CASSANDRA-14587) TrueDiskSpaceUsed overcounts snapshots
[ https://issues.apache.org/jira/browse/CASSANDRA-14587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ekaterina Dimitrova reassigned CASSANDRA-14587: --- Assignee: (was: Ekaterina Dimitrova) > TrueDiskSpaceUsed overcounts snapshots > -- > > Key: CASSANDRA-14587 > URL: https://issues.apache.org/jira/browse/CASSANDRA-14587 > Project: Cassandra > Issue Type: Improvement > Components: Tool/nodetool > Environment: Debian 8 > Cassandra 3.11.2 >Reporter: Elliott Sims >Priority: Low > > Running 'nodetool listsnapshots' seems to overcount "TrueDiskSpaceUsed" under > some circumstances. Specifically when there's a large number of snapshots. > I suspect that it's not deduplicating space used when multiple snapshots > share sstables that are not part of the current table. > Results of "nodetool listsnapshots": > Total TrueDiskSpaceUsed: 396.11 MiB > Results of "du -hcs" on the table's directory: > 18M total > This is 50+ snapshots (every minute) run with "-t -sf > --column-family " > The results of a "du -hcs -L "TrueDiskSpaceUsed" > I have only tested against 3.11.2, but have no reason to believe it's unique > to that version or even 3.x. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Assigned] (CASSANDRA-14587) TrueDiskSpaceUsed overcounts snapshots
[ https://issues.apache.org/jira/browse/CASSANDRA-14587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ekaterina Dimitrova reassigned CASSANDRA-14587: --- Assignee: Ekaterina Dimitrova > TrueDiskSpaceUsed overcounts snapshots > -- > > Key: CASSANDRA-14587 > URL: https://issues.apache.org/jira/browse/CASSANDRA-14587 > Project: Cassandra > Issue Type: Bug > Components: Tool/nodetool > Environment: Debian 8 > Cassandra 3.11.2 >Reporter: Elliott Sims >Assignee: Ekaterina Dimitrova >Priority: Low > > Running 'nodetool listsnapshots' seems to overcount "TrueDiskSpaceUsed" under > some circumstances. Specifically when there's a large number of snapshots. > I suspect that it's not deduplicating space used when multiple snapshots > share sstables that are not part of the current table. > Results of "nodetool listsnapshots": > Total TrueDiskSpaceUsed: 396.11 MiB > Results of "du -hcs" on the table's directory: > 18M total > This is 50+ snapshots (every minute) run with "-t -sf > --column-family " > The results of a "du -hcs -L "TrueDiskSpaceUsed" > I have only tested against 3.11.2, but have no reason to believe it's unique > to that version or even 3.x. -- This message was sent by Atlassian Jira (v8.3.4#803005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
