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[MAPREDUCE-5465] Container killed before hprof dumps profile.out - MapReduce - [issue]
...If there is profiling enabled for mapper or reducer then hprof dumps profile.out at process exit. It is dumped after task signaled to AM that work is finished.AM kills container with finishe...
http://issues.apache.org/jira/browse/MAPREDUCE-5465    Author: Radim Kolar, 2015-04-23, 00:59
[HADOOP-8698] Do not call unneceseary setConf(null) in Configured constructor - Hadoop - [issue]
...no-arg constructor of /org/apache/hadoop/conf/Configured calls setConf(null). This is unnecessary and it increases complexity of setConf() code because you have to check for not null object ...
http://issues.apache.org/jira/browse/HADOOP-8698    Author: Radim Kolar, 2015-03-28, 02:10
[HADOOP-8619] WritableComparator must implement no-arg constructor - Hadoop - [issue]
...Because of reasons listed here: http://findbugs.sourceforge.net/bugDescriptions.html#SE_COMPARATOR_SHOULD_BE_SERIALIZABLEcomparators should be serializable. To make deserialization work, it ...
http://issues.apache.org/jira/browse/HADOOP-8619    Author: Radim Kolar, 2015-03-16, 18:01
[CASSANDRA-3306] Failed streaming may cause duplicate SSTable reference - Cassandra - [issue]
...during stress testing, i always get this error making leveledcompaction strategy unusable. Should be easy to reproduce - just write fast.ERROR [CompactionExecutor:6] 2011-10-04 15:48...
http://issues.apache.org/jira/browse/CASSANDRA-3306    Author: Radim Kolar, 2015-03-11, 20:32
[MAPREDUCE-4594] Add init/shutdown methods to mapreduce Partitioner - MapReduce - [issue]
...The Partitioner supports only the Configurable API, which can be used for basic init in setConf(). Problem is that there is no shutdown function.I propose to use standard setup() cleanup() f...
http://issues.apache.org/jira/browse/MAPREDUCE-4594    Author: Radim Kolar, 2015-03-10, 05:55
[STORM-388] make supervisor more resilient to missing .ser files - Storm - [issue]
...Currently supervisor process can not run without some kind of supervisor software like systemd. It exits too often on missing .ser file error with [INFO] Halting processexamples:a)20...
http://issues.apache.org/jira/browse/STORM-388    Author: Radim Kolar, 2015-03-09, 00:14
[SPARK-3482] Allow symlinking to scripts (spark-shell, spark-submit, ...) - Spark - [issue]
...if you have install scenario like spark installed in /usr/local/share/spark and want to link its scripts from /usr/local/bin like: /usr/local/bin/spark-shell -> /usr/local/share/spark/bin...
http://issues.apache.org/jira/browse/SPARK-3482    Author: Radim Kolar, 2015-02-08, 23:48
[YARN-1327] Fix nodemgr native compilation problems on FreeBSD9 - YARN - [issue]
...There are several portability problems preventing from compiling native component on freebsd.1. libgen.h is not included. correct function prototype is there but linux glibc has workaround t...
http://issues.apache.org/jira/browse/YARN-1327    Author: Radim Kolar, 2014-09-03, 20:27
[CASSANDRA-5817] shuffle needs some love - Cassandra - [issue]
...WARN 10:34:23,046 Token -6470120033327209844 changing ownership from /10.0.0.3to /10.0.0.1 INFO 10:34:23,046 Flushing memtables for [CFS(Keyspace='system_auth', ColumnFamily='users')].....
http://issues.apache.org/jira/browse/CASSANDRA-5817    Author: Radim Kolar, 2014-07-30, 18:33
[YARN-239] Make link in "Aggregation is not enabled. Try the nodemanager at" - YARN - [issue]
...if log aggregation is disabled message is displayed Aggregation is not enabled. Try the nodemanager at reavers.com:9006It would be helpfull to make link to nodemanager clickable.This message...
http://issues.apache.org/jira/browse/YARN-239    Author: Radim Kolar, 2014-07-14, 18:44
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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