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Rule of thumb: Size of data to send per RPC in a scan - HBase - [mail # user]
...Hello,  Is there a rule to determine the best batch/caching combination for maximizing scan performance as a function of KV size and (average) number of columns per row key?  I hav...
   Author: David Koch, 2013-01-25, 23:59
[expand - 12 more] - Re: Hbase scans taking a lot of time - HBase - [mail # user]
...Sorry I meant scan caching. (not batching)    ________________________________  From: lars hofhansl  To: "[EMAIL PROTECTED]" ; "[EMAIL PROTECTED]"   Sent: Friday, Ja...
   Author: lars hofhansl, 2013-01-25, 23:56
[AMBARI-1262] Apache Ambari point to  dev url, need fix in pom.xml - Ambari - [issue]
...Apache Ambari point to  dev url, need fix in pom.xml...
http://issues.apache.org/jira/browse/AMBARI-1262    Author: Mahadev konar, 2013-01-25, 23:48
[expand - 5 more] - RE: AsynchBase client holds stale dead region server for long time even after the META has already been update. - HBase - [mail # user]
...Thanks Marcos. Can I file a bug there? Or at the googleGroup?   From: Marcos Ortiz [mailto:[EMAIL PROTECTED]]  Sent: Friday, January 25, 2013 1:30 PM To: [EMAIL PROTECTED] Cc: Tian...
   Author: Tianying Chang, 2013-01-25, 23:31
[AMBARI-1210] Allow capacity scheduler to be attached to host role configs for CS configurability in the API's. - Ambari - [issue]
...Allow capacity scheduler to be attached to host role configs for CS configurability in the API's....
http://issues.apache.org/jira/browse/AMBARI-1210    Author: Mahadev konar, 2013-01-25, 23:13
[CASSANDRA-3552] Pig data objects returned by CassandraStorage behave irrationally. - Cassandra - [issue]
...When I try to perform computations on data that I get back from CassandraStorage in Pig, I see inexplicable results.For example, on a column family that has UTF8Type as the key validator, I ...
http://issues.apache.org/jira/browse/CASSANDRA-3552    Author: Chris Howe, 2013-01-25, 23:05
[CASSANDRA-3592] Major Compaction Incredibly Slow - Cassandra - [issue]
...Twice now (on different nodes), I have observed major compaction for certain column families take significantly longer on 1.0.3 in comparison to 0.8.6. For example,On the 0.8.6 node, the pos...
http://issues.apache.org/jira/browse/CASSANDRA-3592    Author: Dan Hendry, 2013-01-25, 23:04
[CASSANDRA-3517] Make auto bootstrap smarter - Cassandra - [issue]
...Just wanted to create this before I forget. One of the things we noticed when we were looking over the auto bootstrap code:When the bootstrapping node tries to determine its token, it looks ...
http://issues.apache.org/jira/browse/CASSANDRA-3517    Author: Chris Goffinet, 2013-01-25, 22:57
[CASSANDRA-3454] Cassandra should return TTL values when they are present - Cassandra - [issue]
...when C* is returning columns if the column is an expiring column C* should return the number seconds remaining (or the initial TTL value + the initial set time to make the data more cacheabl...
http://issues.apache.org/jira/browse/CASSANDRA-3454    Author: Matthew F. Dennis, 2013-01-25, 22:56
[CASSANDRA-3447] Add Schema to CassandraCQL::ResultSchema for operations affecting keyspace - Cassandra - [issue]
...I don't know about other drivers, but for the ruby CQL driver, I have to regex the query to determine if the keyspace has changed and to store that locally. This has to be done so that recon...
http://issues.apache.org/jira/browse/CASSANDRA-3447    Author: Kelley Reynolds, 2013-01-25, 22:55
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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