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[MAPREDUCE-6439] AM may fail instead of retrying if RM is restarting/shutting down during the allocate call - MapReduce - [issue]
...We are seeing cases where MR AM gets a YarnRuntimeException thats thrown in RM and gets sent back to AM causing it to think that it has exhausted the number of retries. Copying the error whi...
http://issues.apache.org/jira/browse/MAPREDUCE-6439    Author: Anubhav Dhoot, 2015-07-31, 01:49
[MAPREDUCE-6353] Divide by zero error in MR AM when calculating available containers - MapReduce - [issue]
...When running a sleep job with zero CPU vcores i see the following exception2015-04-30 06:41:06,954 ERROR [RMCommunicator Allocator] org.apache.hadoop.mapreduce.v2.app.rm.RMContainerA...
http://issues.apache.org/jira/browse/MAPREDUCE-6353    Author: Anubhav Dhoot, 2015-05-10, 16:36
[MAPREDUCE-6199] AbstractCounters are not reset completely on deserialization - MapReduce - [issue]
...AbstractCounters are partially reset on deserialization. This patch completely resets them....
http://issues.apache.org/jira/browse/MAPREDUCE-6199    Author: Anubhav Dhoot, 2015-04-01, 19:39
[MAPREDUCE-5966] MR1 FairScheduler use of custom weight adjuster is not thread safe for comparisons - MapReduce - [issue]
...When comparing JobSchedulables one of the factors is the weight. If someone uses a custom weight adjuster, that may be called multiple times during a sort causing different values to return....
http://issues.apache.org/jira/browse/MAPREDUCE-5966    Author: Anubhav Dhoot, 2014-07-26, 20:58
[MAPREDUCE-5979] FairScheduler: zero weight can cause sort failures - MapReduce - [issue]
...When the weight is set to zero (which is possible with a custom weight adjuster) we can get failures in comparing schedulables.This is because when calculating running tasks to weight ratio ...
http://issues.apache.org/jira/browse/MAPREDUCE-5979    Author: Anubhav Dhoot, 2014-07-23, 00:04
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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