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[SPARK-4903] RDD remains cached after "DROP TABLE" - Spark - [issue]
...In beeline, when I run:CREATE TABLE test AS select col from table;CACHE TABLE testDROP TABLE testThe the table is removed but the RDD is still cached. Running UNCACHE is not possible anymore...
http://issues.apache.org/jira/browse/SPARK-4903    Author: Evert Lammerts, 2014-12-19, 19:03
Re: Querying registered RDD (AsTable) using JDBC - Spark - [mail # user]
...Yes you can, using HiveContext, a metastore and the thriftserver. Themetastore persists information about your SchemaRDD, and the HiveContext,initialised with information on the metastore, c...
   Author: Evert Lammerts, 2014-12-19, 17:11
[PIG-2872] StoreFuncInterface.setStoreLocation get's a copy of a Configuration object - Pig - [issue]
...When an implementation of StoreFuncInterface.setStoreLocation is called from JobControlCompiler.getJob, it is passed a copy of the Configuration that will be used for the Job that will be su...
http://issues.apache.org/jira/browse/PIG-2872    Author: Evert Lammerts, 2014-04-10, 14:52
[HDFS-3059] ssl-server.xml causes NullPointer - HDFS - [issue]
...If ssl is enabled (dfs.https.enable) but ssl-server.xml is not available, a DN will crash during startup while setting up an SSL socket with a NullPointerException:12/03/07 17:08:36 DEBUG se...
http://issues.apache.org/jira/browse/HDFS-3059    Author: Evert Lammerts, 2013-09-20, 03:19
Re: $HOME - Pig - [mail # user]
...How about a tilde? E.g.  /* Avro uses json-simple, and is in piggybank until Pig 0.12, where AvroStorage and TrevniStorage are builtins */ REGISTER ~/Software/pig/build/ivy/lib/Pig/avro...
   Author: Evert Lammerts, 2013-02-11, 08:29
[MAPREDUCE-2636] Scheduling over disks horizontally - MapReduce - [issue]
...Based on this message: http://mail-archives.apache.org/mod_mbox/hadoop-hdfs-user/201106.mbox/browserThe JT schedules tasks on nodes based on metadata it gets from the NN. The namenode does n...
http://issues.apache.org/jira/browse/MAPREDUCE-2636    Author: Evert Lammerts, 2012-12-21, 08:17
RE: [DISCUSS] [PROPOSAL] Hadoop Development Tools - Hadoop - [mail # general]
...Hi Adam, thanks for the initiative, this is good news for us and our users  as well - right now I'm advising ant targets for submitting MR jobs from Ec lipse. I'll have a look to see wh...
   Author: Evert Lammerts, 2012-10-17, 21:52
RE: DN cannot talk to NN using Kerberos on secured hdfs - Hadoop - [mail # user]
...Hi Shumin,  Setting up Kerberos can be a pain, but debug output gets you a long way. I' m not sure whether these semantics still work in 2.0, but something like th is used to give lots ...
   Author: Evert Lammerts, 2012-09-12, 20:56
[expand - 3 more] - RE: Pending reducers - MapReduce - [mail # user]
...Alright, thanks, we're already busy rolling out the config for the capacity  scheduler. Still, interesting behavior. The fifo scheduler looks at the lo ad on the cores? Seems unnecessar...
   Author: Evert Lammerts, 2012-08-14, 20:45
getLocalCacheFiles - MapReduce - [mail # user]
...Hi all,  DistributedCache.getLocalCacheFiles does not seem to work correctly in 0.20 .205.0. In my Mapper I need a local filesystem path on the cluster nodes. g etLocalCacheFiles is not...
   Author: Evert Lammerts, 2012-08-08, 10:10
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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