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[expand - 2 more] - statically initializing an alias - Pig - [mail # user]
...Hi folks - let's say I have incoming param which has value "strA".  Isthere a clever way to initialize an alias within Pig that contains a singletuple with value "strA"?In other words, ...
   Author: Norbert Burger, 2015-11-04, 20:47
[expand - 1 more] - high memory usage for catalogd - Impala - [mail # user]
...I'm seeing very high memory usage (10GB+) with catalogd on a 10-node Impala 1.4.0 cluster co-located with CDH4.6.0.  This is despite enabling a 2GB cap at startup via IMPALA_CATALOG_ARG...
   Author: Norbert Burger, 2014-09-16, 16:59
[expand - 1 more] - regex filters and scanner caching - HBase - [mail # dev]
...Hi folks -- we're currently on HBase from CDH 4.1.2 (0.92.1 + patches).We recently ran into a consistently-reproducible scenario where applying aRegexStringComparator within a RowFilter retu...
   Author: Norbert Burger, 2014-03-27, 01:41
Re: pig based mapreduce jobs: /usr/lib/hadoop/lib - Pig - [mail # user]
...I'll usually do something like this:CLASSPATH=$(hadoop classpath):/usr/lib/pig/pig-withouthadoop.jar java -jar...NorbertOn Sat, Mar 22, 2014 at 8:14 PM, Jay Vyas  wrote: ...
   Author: Norbert Burger, 2014-03-24, 02:47
[expand - 2 more] - Metastore performance on HDFS-backed table with 15000+ partitions - Hive - [mail # user]
...Hi folks,We are running CDH 4.3.0 Hive (0.10.0+121) with a MySQL metastore.In Hive, we have an external table backed by HDFS which has a 3-levelpartitioning scheme that currently has 15000+ ...
   Author: Norbert Burger, 2014-02-22, 03:06
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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