Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists

2015-04-13 Thread Anuj Wadehra
I havent got much response regarding this on user list..so posting it on dev list too.. Thanks Anuj Wadehra Sent from Yahoo Mail on Android From:"Anuj Wadehra" Date:Tue, 14 Apr, 2015 at 7:05 am Subject:Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists Recently we

Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists

2015-04-13 Thread Anuj Wadehra
Recently we faced an issue where every repair operation caused addition of hundreds of sstables (CASSANDRA-9146). In order to bring situation under control and make sure reads are not impacted, we were left with no option but to run major compaction to ensure that thousands of tiny sstables are

Impact of removing compactions_in_progress folder

2015-04-13 Thread Anuj Wadehra
Often we face errors on Cassandra start regarding unfinished compactions particularly when cassandra was abrupty shut down . Problem gets resolved when we delete /var/lib/cassandra/data/system/compactions_in_progress folder. Does deletion of the folder has any impact on  integrity of data or any

Re: [discuss] Modernization of Cassandra build system

2015-04-13 Thread Benedict Elliott Smith
> > every second minor release was fixing maven artifacts OR every second > release was broken due the maven artifacts Well, it's also possible just one release had 116 build artefact problems? Obviously that's the absurd extreme end, but the reason I was asking if you had any idea, since you'd d

Re: 3.0 and the Cassandra release process

2015-04-13 Thread Jonathan Ellis
On Tue, Mar 17, 2015 at 4:06 PM, Jonathan Ellis wrote: > > I’m optimistic that as we improve our process this way, our even releases > will become increasingly stable. If so, we can skip sub-minor releases > (3.2.x) entirely, and focus on keeping the release train moving. In the > meantime, we

Re: March 2015 QA retrospective

2015-04-13 Thread Aleksey Yeschenko
CASSANDRA-8285 Aleksey Yeschenko Move all hints related tasks to hints private executor Pierre's reproducer represents something we weren't doing, but that users are. Is that now being tested? That particular issue will not happen again. That

Re: [discuss] Modernization of Cassandra build system

2015-04-13 Thread Łukasz Dywicki
Hey Benedict, My replies in line >> According to some recordings from DataStax there is a plan to support in >> Cassandra multiple kinds of store - document, graph so it won’t get easier >> with the time but rather harder - ask yourself do you really want to mess >> all these things together? > W

Re: March 2015 QA retrospective

2015-04-13 Thread Ariel Weisberg
Hi Benedict, This only requires unit testing or dtests to be run this way. However for > the kitchen sink tests this is just another dimension in the configuration > state space, which IMO should be addressed as a whole methodically. Perhaps > we should file a central JIRA, or the Google doc you s

Re: [discuss] Modernization of Cassandra build system

2015-04-13 Thread Benedict Elliott Smith
> > According to some recordings from DataStax there is a plan to support in > Cassandra multiple kinds of store - document, graph so it won’t get easier > with the time but rather harder - ask yourself do you really want to mess > all these things together? Well, these certainly won't live in th