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Best format to use - HDFS - [mail # user]
...Trying to determine what the best format to use for storing daily logs. We recently switch from snappy (.snappy) to gzip (.deflate) but I'm wondering if there is something better? Our main c...
   Author: Mark, 2013-04-08, 23:48
Analysis of producer performance - Kafka - [mail # user]
...Hi,At LiveRamp we are considering replacing Scribe with Kafka, and as a firststep we run some tests to evaluate producer performance. You can find ourpreliminary results here:https://blog.li...
   Author: Piotr Kozikowski, 2013-04-08, 23:43
Removing splits [SEC=UNCLASSIFIED] - Accumulo - [mail # user]
...UNCLASSIFIED  Hi guys,  Just a simple question.  We ingest data in daily batches and create splits on the data to distribute the loading, eg splits are 20130407-1, 20130407-2,...
   Author: Dickson, Matt MR, 2013-04-08, 23:35
[expand - 3 more] - Re: VOTE: HDFS-347 merge - HDFS - [mail # dev]
...Hi Colin,  Thanks for closing the previous VOTE.  (We usually count the numbers of +1's and -1's, and then state whether the vote passes.  Hope that you could include such information n...
   Author: Tsz Wo Sze, 2013-04-08, 23:34
RE: Accumulo and CDH4 -- "no tablet servers" - Accumulo - [mail # user]
...One of my tserver__.log files contains the following (the others look similar):   4/8/13 @ 3:26 - got the following in tserver_apoc.debug.log: 2013-04-08 15:18:07,398 [server.Accumulo] ...
   Author: Newman, Elise, 2013-04-08, 23:08
[expand - 1 more] - Re: Full row delete followed by Put - HBase - [mail # user]
...Yes, since you say "after a few milliseconds" & assuming you did not specify a timestamp in the Put request which is earlier than the one row had before delete was issued.  I have been ...
   Author: Shrijeet Paliwal, 2013-04-08, 22:55
[expand - 6 more] - Re: Declaring HBase Public API in 0.94 - HBase - [mail # dev]
...The advantage of the annotations is that Tom White already did the work for jdiff to ignore non-public classes over in Hadoop land. We could leverage that work, whether we re-use the o.a.h.c...
   Author: Todd Lipcon, 2013-04-08, 22:55
[PIG-842] PigStorage should support multi-byte delimiters - Pig - [issue]
...Currently, PigStorage supports single byte delimiters. Users have requested mult-byte delimiters. There are performance implications with multi-byte delimiters. i.e., instead of looking for ...
http://issues.apache.org/jira/browse/PIG-842    Author: Santhosh Srinivasan, 2013-04-08, 22:54
Should the SQL schema for HIVE be identical to the SQL schema for a relational database? - Hive - [mail # user]
...Hi  It would be terrific to get some advice on migrating a schema from RDMS to Hive.  Should the SQL schema for HIVE be identical to the SQL schema for a Posgresql/mysql database? ...
   Author: Matthieu Labour, 2013-04-08, 22:49
[YARN-316] YARN container launch may exceed maximum Windows command line length due to long classpath - YARN - [issue]
...On Windows, a command line longer than 8192 characters will fail.  This can cause YARN container launch to fail on Windows if the classpath argument exceeds this limit....
http://issues.apache.org/jira/browse/YARN-316    Author: Chris Nauroth, 2013-04-08, 22:33
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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