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

2015-04-23 Thread Anuj Wadehra
Great !!! Thanks Andrei !!! Thats the answer I was looking for :) Thanks Anuj Wadehra Sent from Yahoo Mail on Android From:"Andrei Ivanov" Date:Thu, 23 Apr, 2015 at 11:57 pm Subject:Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists Just in case it

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

2015-04-23 Thread Andrei Ivanov
-- > *From*:"Robert Coli" > *Date*:Fri, 17 Apr, 2015 at 10:55 pm > *Subject*:Re: Drawbacks of Major Compaction now that Automatic Tombstone > Compaction Exists > > On Tue, Apr 14, 2015 at 8:29 PM, Anuj Wadehra > wrote: > >> By automatic tombsto

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

2015-04-22 Thread Anuj Wadehra
Subject:Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists On Tue, Apr 14, 2015 at 8:29 PM, Anuj Wadehra wrote: By automatic tombstone compaction, I am referring to tombstone_threshold sub property under compaction strategy in CQL. It is 0.2 by default. So what I under

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

2015-04-17 Thread Robert Coli
On Tue, Apr 14, 2015 at 8:29 PM, Anuj Wadehra wrote: > By automatic tombstone compaction, I am referring to tombstone_threshold > sub property under compaction strategy in CQL. It is 0.2 by default. So > what I understand from the Datastax documentation is that even if a sstable > does not find s

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

2015-04-16 Thread Anuj Wadehra
Hi Robert, Any comments or suggestions ? Thanks Anuj Wadehra Sent from Yahoo Mail on Android From:"Anuj Wadehra" Date:Wed, 15 Apr, 2015 at 8:59 am Subject:Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists Hi Robert, By automatic tombstone compac

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

2015-04-14 Thread Anuj Wadehra
such issue in prod we can go ahead with one time major compaction. Thanks Anuj Wadehra From:"Robert Coli" Date:Tue, 14 Apr, 2015 at 12:54 am Subject:Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists On Mon, Apr 13, 2015 at 10:52 AM, Anuj Wadehra w

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

2015-04-13 Thread Robert Coli
On Mon, Apr 13, 2015 at 12:26 PM, Rahul Neelakantan wrote: > Does that mean once you split it back into small ones, automatic > compaction a will continue to happen on a more frequent basis now that it's > no longer a single large monolith? > That's what the word "size tiered" means in the phras

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

2015-04-13 Thread Rahul Neelakantan
Rob, Does that mean once you split it back into small ones, automatic compaction a will continue to happen on a more frequent basis now that it's no longer a single large monolith? Rahul > On Apr 13, 2015, at 3:23 PM, Robert Coli wrote: > >> On Mon, Apr 13, 2015 at 10:52 AM, Anuj Wadehra >>

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

2015-04-13 Thread Robert Coli
On Mon, Apr 13, 2015 at 10:52 AM, Anuj Wadehra wrote: > Any comments on side effects of Major compaction especially when sstable > generated is 100+ GB? > I have no idea how this interacts with the automatic compaction stuff; if you find out, let us know? But if you want to do a major and don't

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

2015-04-13 Thread Anuj Wadehra
are there any disadvantages? Thanks Anuj Wadehra Sent from Yahoo Mail on Android From:"Anuj Wadehra" Date:Mon, 13 Apr, 2015 at 12:33 am Subject:Re: Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists No. Anuj Wadehra On Monday, 13 April 2015 12:23 AM,

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

2015-04-12 Thread Anuj Wadehra
No. Anuj Wadehra On Monday, 13 April 2015 12:23 AM, Sebastian Estevez wrote: Have you tried user defined compactions via JMX?On Apr 12, 2015 1:40 PM, "Anuj Wadehra" wrote: Recently we faced an issue where every repair operation caused addition of hundreds of sstables (CASSANDRA

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

2015-04-12 Thread Sebastian Estevez
Have you tried user defined compactions via JMX? On Apr 12, 2015 1:40 PM, "Anuj Wadehra" wrote: > 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, w

Drawbacks of Major Compaction now that Automatic Tombstone Compaction Exists

2015-04-12 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