mixed linux/windows cluster in Cassandra-1.2

Hello! is mixed linux/windows cluster configuration supported in 1.2 ? Cheers, Ilya Shipitsin

Re: mixed linux/windows cluster in Cassandra-1.2

. вторник, 22 октября 2013 г. пользователь Robert Coli писал: On Mon, Oct 21, 2013 at 12:55 AM, Илья Шипицин chipits...@gmail.comjavascript:_e({}, 'cvml', 'chipits...@gmail.com'); wrote: is mixed linux/windows cluster configuration supported in 1.2 ? I don't think it's officially supported

Re: mixed linux/windows cluster in Cassandra-1.2

21, 2013, at 11:06 AM, Robert Coli rc...@eventbrite.comjavascript:_e({}, 'cvml', 'rc...@eventbrite.com'); wrote: On Mon, Oct 21, 2013 at 12:55 AM, Илья Шипицин chipits...@gmail.comjavascript:_e({}, 'cvml', 'chipits...@gmail.com'); wrote: is mixed linux/windows cluster configuration

how to determine RF on the fly ?

Hello! is there easy way to determine current RF, for instance, via mx4j ? Cheers, Ilya Shipitsin

running Cassandra in dual stack (ipv4 + ipv6)

Hello! is it possible to use both ipv4 and ipv6 for Cassandra cluster ? Cheers, Ilya Shipitsin

Running cassandra across nat?

Hello! Is it possible to run cluster in 2 datacenters which are not routable? Each datacenter is running its own lan prefixes, however lan are not routable across datacenters. Cheers, Ilya Shipitsin

any reason for distributing Cassandra binaries without mx4j-tools.jar

Hello! is there any reason why Cassandra is shipped without mx4j-tools.jar ? memory leaking ? licensing issue ? Cheers, Ilya Shipitsin

Re: performance is drastically degraded after 0.7.8 -- 1.0.11 upgrade

on the StorageProxy JMX object. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 31/08/2012, at 4:45 PM, Илья Шипицин chipits...@gmail.com wrote: we are using functional tests ( ~500 tests in time). it is hard to tell which query

Re: are asynchronous schema updates possible ?

be my bad search fu. The issues for 1.2 are here https://issues.apache.org/jira/browse/CASSANDRA/fixforversion/12319262 Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 24/08/2012, at 7:06 PM, Илья Шипицин chipits

Re: are asynchronous schema updates possible ?

what kind of problems? nodes do not agree about schema exception on later node ? something worse? 2012/9/5 Sylvain Lebresne sylv...@datastax.com On Tue, Sep 4, 2012 at 8:23 PM, Илья Шипицин chipits...@gmail.com wrote: Is it ok multiple servers will create/update the same CF at once ? I'm

Re: performance is drastically degraded after 0.7.8 -- 1.0.11 upgrade

@aaronmorton http://www.thelastpickle.com On 5/09/2012, at 12:27 AM, Илья Шипицин chipits...@gmail.com wrote: it was good idea to have a look at StorageProxy :-) 1.0.10 Performance Tests StorageProxy RangeOperations: 546 ReadOperations: 694563 TotalHints: 0 TotalRangeLatencyMicros

Re: performance is drastically degraded after 0.7.8 -- 1.0.11 upgrade

information on your use case we may be able to help. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 30/08/2012, at 5:18 AM, Илья Шипицин chipits...@gmail.com wrote: in terms of our high-rate write load cassandra1.0.11 is about 3

Re: performance is drastically degraded after 0.7.8 -- 1.0.11 upgrade

:30 AM, Edward Capriolo edlinuxg...@gmail.com wrote: If you move from 7.X to 0.8X or 1.0X you have to rebuild sstables as soon as possible. If you have large bloomfilters you can hit a bug where the bloom filters will not work properly. On Thu, Aug 30, 2012 at 9:44 AM, Илья Шипицин chipits

performance is drastically degraded after 0.7.8 -- 1.0.11 upgrade

in terms of our high-rate write load cassandra1.0.11 is about 3 (three!!) times slower than cassandra-0.7.8 after some investigation carried out I noticed files with sha1 extension (which are missing for Cassandra-0.7.8) in maybeWriteDigest() function I see no option fot switching sha1 digests

are asynchronous schema updates possible ?

Hello! we are looking into concurent schema updates (when multiple instances of application create CFs at once. at the http://wiki.apache.org/cassandra/MultiTenant there's open ticket 1391, it is said it is still open. however, in jura is said 1.1.0 is fixed can schema be updated asynchrously

is it possible to disable compaction per CF ?

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

is upgradesstables required (or recommended) upon update column family ?

Hello! is upgradesstables required upon update column family with compression_options (or compaction_strategy) ? Cheers, Ilya Shipitsin

how to disable compression ?

Hello! how can I run update command on column family to disable compression (without re-creating CF) ? Cheers, Ilya Shipitsin

Re: how to disable compression ?

are reminded that the information remains the property of the sender. You must not use, disclose, distribute, copy, print or rely on this e-mail. If you have received this message in error, please contact the sender immediately and irrevocably delete this message and any copies. *From:* Илья

create if not exists ? create or update ?

Hello! is it possible to write CQL statement for creation of ColumnFamily in create if not exists manner ? or create or update manner ? Cheers, Ilya Shipitsin

Re: how to get list of snapshots

/operations/backup_restore ? 2) is there way to get list of snapshots ? (without ls in directory) No. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 23/05/2012, at 5:06 PM, Илья Шипицин wrote: Hello! I'm about to schedule backups

how to get list of snapshots

Hello! I'm about to schedule backups in the following way a) snapshots are done daily b) increment backups are enabled so, backup will be consistent, very old snapshots must be removed (I guess, a week depth should be enough). couple of questions: 1) is there any good guide for scheduling