Is it safe to upgrade between minor releases without first performing a repair?

2017-07-20 Thread Jerry
In general it seems that repairs should be done prior to every upgrade (in fact they should be done at least weekly), but with a minor upgrade like this is it safe to upgrade without first repairing? Specifically, I'm looking to upgrade from Cassandra 2.0.11 to 2.0.17.

Re: How does clustering key works with TimeWindowCompactionStrategy (TWCS)

2017-04-07 Thread Jerry Lam
Hi Jon, This Cassandra community is very helpful!!! Thanks for sharing this blogpost with me. It answers all my questions related to TWCS with clustering key and limit clause! Best Regards, Jerry On Fri, Apr 7, 2017 at 10:30 AM, Jon Haddad wrote: > Alex Dejanovski wrote a good post on

Re: How does clustering key works with TimeWindowCompactionStrategy (TWCS)

2017-04-07 Thread Jerry Lam
ge process? Thank you, Jerry On Fri, Apr 7, 2017 at 2:08 AM, wrote: > Hi Jerry, > > > > the compaction strategy just tells Cassandra how to compact your sstables > and with TWCS when to stop compacting further. But of course your data can > and most likely will live in multi

How does clustering key works with TimeWindowCompactionStrategy (TWCS)

2017-04-06 Thread Jerry Lam
rt to find out the latest view_id for the customer_id? Or there are some magics happen behind the book can tell? Best Regards, Jerry

Re: unsubscribe

2016-09-21 Thread Jerry Poole
e "Cassandra User" mailing list. C*heers, --- Alain Rodriguez - @arodream - al...@thelastpickle.com<mailto:al...@thelastpickle.com> France 2016-09-20 14:58 GMT+02:00 Jerry Poole mailto:jerry.d.po...@acrometis.com>>: IMPORTANT NOTICE: This e-mail, inc

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2016-09-20 Thread Jerry Poole
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Cassandra Tuning Issue

2015-12-06 Thread jerry
Dear All, Now I have a 4 nodes Cassandra cluster, and I want to know the highest performance of my Cassandra cluster. I write a JAVA client to batch insert datas into ALL 4 nodes Cassandra, when I start less than 30 subthreads in my client applications to insert datas into cassandra, it wil