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multiple threads updating result in TransportException - Cassandra - [mail # user]
...We're running into a problem where things are fine if our client runssingle threaded but gets TransportException if we use multiple threads.The datastax driver gets an NIO checkBounds error....
   Author: Brian Tarbox, 2014-11-26, 15:44
[expand - 1 more] - Re: read after write inconsistent even on a one node cluster - Cassandra - [mail # user]
...Thanks.   Right now its just for testing but in general we can't guardagainst multiple users ending up the one writes and then one reads.It would be one thing if the read just got old d...
   Author: Brian Tarbox, 2014-11-06, 16:17
Re: Options for expanding Cassandra cluster on AWS - Cassandra - [mail # user]
...The last guidance I heard from DataStax was to use m2.2xlarge's on AWS andput data on the ephemeral drive....have they changed this guidance?BrianOn Tue, Aug 19, 2014 at 9:41 AM, Oleg Dulin ...
   Author: Brian Tarbox, 2014-08-19, 14:09
do all nodes actually send the data to the coordinator when doing a read? - Cassandra - [mail # user]
...We're considering a C* setup with very large columns and I have a questionabout the details of read.I understand that a read request gets handled by the coordinator whichsends read requests ...
   Author: Brian Tarbox, 2014-07-25, 20:13
[expand - 4 more] - Re: nodetool repair saying "starting" and then nothing, and nothing in any of the server logs either - Cassandra - [mail # user]
..."For what purpose are you running repair?"   Because I read that we should!We do delete data from one column family quite regularly...from the otherCFs occasionally.  We almost nev...
   Author: Brian Tarbox, 2014-07-01, 19:06
[expand - 2 more] - Re: can I kill very old data files in my data folder (I know that sounds crazy but....) - Cassandra - [mail # user]
...I don't think I have the space to run a major compaction right now (I'mabove 50% disk space used already) and compaction can take extra space Ithink?On Wed, Jun 18, 2014 at 3:24 PM, Robert C...
   Author: Brian Tarbox, 2014-06-18, 19:39
[expand - 1 more] - Re: running out of diskspace during maintenance tasks - Cassandra - [mail # user]
...We do a repair -pr on each node once a week on a rolling basis.Should we be running cleanup as well?  My understanding that was only usedafter adding/removing nodes?We'd like to avoid a...
   Author: Brian Tarbox, 2014-06-18, 16:10
Specifying startBefore with iterators with compositeKeys - Cassandra - [mail # user]
...I have a composite key consisting of: (integer, bytes) and I have rows like:(1,abc), (1,def), (2,abc), (2,def) and I want to find all rows with theinteger part = 2.I need to create a startBe...
   Author: Brian Tarbox, 2014-04-01, 14:54
[expand - 1 more] - Re: getting dropped messages in log even with no one running - Cassandra - [mail # user]
...The problem was one of my nodes was in some kind of bad Hinted-Handoffloop.  I looked at CASSANDRA-4740 which discusses this but to no solutionthat I could see.When I killed the server ...
   Author: Brian Tarbox, 2014-03-24, 15:05
[expand - 2 more] - Re: this seems like a flaw in Node Selection - Cassandra - [mail # user]
...Yes, I was going to say (sorry for the brain-freeze) that this is behaviorin Pelops not in C* itself.On Thu, Mar 20, 2014 at 4:15 PM, Tyler Hobbs  wrote: ...
   Author: Brian Tarbox, 2014-03-20, 20:18
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB