[
https://issues.apache.org/jira/browse/CASSANDRA-13667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16074981#comment-16074981
]
Stefano Ortolani edited comment on CASSANDRA-13667 at 7/5/17 4:02 PM:
----------------------------------------------------------------------
The cluster was serving reads/writes as usual (1 DC, 2 racks).
I have been able to reproduce it multiple times with a single drop.
Every time I could see spikes with 40/50 pending compactions, and all memtables
being flushed (maybe the actual cause for those compactions?). Also, {{nodetool
describecluster}} kept showing many nodes unreachable during the schema
propagation (settling down after 10 minutes).
The schema/tables I was dropping were those created by cassandra-reaper
(https://github.com/thelastpickle/cassandra-reaper) (keyspace with {{class:
SimpleStrategy}}).
All other keyspaces are {{class: NetworkTopologyStrategy}}.
was (Author: ostefano):
The cluster was serving reads/writes as usual (1 DC, 2 racks).
I have been able to reproduce it multiple times with a single drop.
Every time I could see spikes with 40/50 pending compactions, and all memtables
being flushed Also, {{nodetool describecluster}} kept showing many nodes
unreachable during the schema propagation (settling down after 10 minutes).
The schema/tables I was dropping were those created by cassandra-reaper
(https://github.com/thelastpickle/cassandra-reaper) (keyspace with {{class:
SimpleStrategy}}).
All other keyspaces are {{class: NetworkTopologyStrategy}}.
> DROP KEYSPACE or TABLE cause unrelated flushes and compactions on all tables
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-13667
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13667
> Project: Cassandra
> Issue Type: Bug
> Reporter: Stefano Ortolani
> Priority: Minor
>
> As soon as I drop a keyspace or a table, I see _all_ nodes struggling to
> acknowledge the new schema because of several flushes and compactions
> happening on _all_ keyspaces and compactions (completely unrelated to the
> dropped keyspace/table).
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
