?????? disable compaction in bootstrap process

2018-03-23 Thread Peng Xiao
Many thanks Alain for the thorough explanation,we will not disable compaction for now. Thanks, Peng Xiao -- -- ??: "arodrime"; : 2018??3??23??(??) 8:57 ??: "Peng Xiao"<2535...@qq.com>; : "user&

Re: disable compaction in bootstrap process

2018-03-23 Thread Alain RODRIGUEZ
> > I mean to disable Compaction in the bootstrapping process,then enable it > after the bootstrapping. That's how I understood it :-). Bootstrap can take a relatively long time and could affect all the nodes when using vnodes. Disabling compactions for hours is risky, even more,

?????? disable compaction in bootstrap process

2018-03-22 Thread Peng Xiao
Sorry Alain,maybe some misunderstanding here,I mean to disable Compaction in the bootstrapping process,then enable it after the bootstrapping. -- -- ??: ""<2535...@qq.com>; : 2018??3??23??(??) 10:

?????? disable compaction in bootstrap process

2018-03-22 Thread Peng Xiao
???: "user cassandra.apache.org"; : Re: disable compaction in bootstrap process Hello, Is it reasonable to disable compaction on all the source node? I would say no, as a short answer. You can, I did it for some operations in the past. Technically no problem you can do that. It will

Re: disable compaction in bootstrap process

2018-03-22 Thread Alain RODRIGUEZ
Hello, > Is it reasonable to disable compaction on all the source node? I would say no, as a short answer. You can, I did it for some operations in the past. Technically no problem you can do that. It will most likely improve the response time of the queries immediately as it seems that

disable compaction in bootstrap process

2018-03-22 Thread Peng Xiao
Dear All, We noticed that when bootstrap new node,the source node is also quite busy doing compactions which impact the rt severely.Is it reasonable to disable compaction on all the source node? Thanks, Peng Xiao

Re: disable compaction if all data are read-only?

2016-04-09 Thread Yatong Zhang
strategy do you have on your table? >>> >>> Best regards >>> >>> Pedro Gordo >>> >>> On 8 April 2016 at 10:42, Yatong Zhang wrote: >>> >>>> Hi there, >>>> I am wondering if it is possible to disable compaction when all my data >>>> are read-only? >>>> >>> >>> >> >>

Re: disable compaction if all data are read-only?

2016-04-08 Thread Eric Stevens
have on your table? >> >> Best regards >> >> Pedro Gordo >> >> On 8 April 2016 at 10:42, Yatong Zhang wrote: >> >>> Hi there, >>> I am wondering if it is possible to disable compaction when all my data >>> are read-only? >>> >> >> > >

Re: disable compaction if all data are read-only?

2016-04-08 Thread Robert Wille
table? Best regards Pedro Gordo On 8 April 2016 at 10:42, Yatong Zhang mailto:bluefl...@gmail.com>> wrote: Hi there, I am wondering if it is possible to disable compaction when all my data are read-only?

Re: disable compaction if all data are read-only?

2016-04-08 Thread Yatong Zhang
read-only and hence > doesn't receive any writes, then no SSTables will be created, and hence, no > compaction will happen. What compaction strategy do you have on your table? > > Best regards > > Pedro Gordo > > On 8 April 2016 at 10:42, Yatong Zhang wrote: > >>

Re: disable compaction if all data are read-only?

2016-04-08 Thread Pedro Gordo
atong Zhang wrote: > Hi there, > I am wondering if it is possible to disable compaction when all my data > are read-only? >

disable compaction if all data are read-only?

2016-04-08 Thread Yatong Zhang
Hi there, I am wondering if it is possible to disable compaction when all my data are read-only?

Re: disable compaction node-wide

2012-10-27 Thread Edward Capriolo
If you are using sized teired set minCompactionThreshold to 0 and maxCompactionThreshold to 0. You can probably also use this https://issues.apache.org/jira/browse/CASSANDRA-2130 But if you do not compact the number of sstables gets high and then read performance can suffer. On Sat, Oct 27, 2012

disable compaction node-wide

2012-10-27 Thread Radim Kolar
its possible to disable node wide all sstable compaction? I cant find anything suitable in JMX console.

Re: is it possible to disable compaction per CF ?

2012-07-27 Thread Jason Tang
setMaxCompactionThreshold(0) setMinCompactionThreshold(0) 2012/7/27 Илья Шипицин > Hello! > > if we are dealing with append-only data model, so what if I disable > compaction on certain CF ? > any side effect ? > > can I do it with > > "update column family

is it possible to disable compaction per CF ?

2012-07-26 Thread Илья Шипицин
Hello! if we are dealing with append-only data model, so what if I disable compaction on certain CF ? any side effect ? can I do it with "update column family with compaction_strategy = null " ? Cheers, Ilya Shipitsin

Re: disable compaction

2011-07-20 Thread Nikolai Kopylov
Thanx a lot Edward, will follow your advice. On Wed, Jul 20, 2011 at 7:28 PM, Edward Capriolo wrote: > > > On Wed, Jul 20, 2011 at 11:13 AM, Nikolai Kopylov wrote: > >> Hi everyone, >> >> finding out recently that cassandra have no upper limit for sstable files >> to grow, I decided to move to de

Re: disable compaction

2011-07-20 Thread Edward Capriolo
On Wed, Jul 20, 2011 at 11:13 AM, Nikolai Kopylov wrote: > Hi everyone, > > finding out recently that cassandra have no upper limit for sstable files > to grow, I decided to move to deletion of CF with obsolete data. > So that I will not remove columns and there is no need in compaction at > all.

disable compaction

2011-07-20 Thread Nikolai Kopylov
Hi everyone, finding out recently that cassandra have no upper limit for sstable files to grow, I decided to move to deletion of CF with obsolete data. So that I will not remove columns and there is no need in compaction at all. How can I completely disable the compaction process? Thanx for your