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[TEZ-3361] Fetch Multiple Partitions from the Shuffle Handler
...Provide an API that allows for fetching multiple partitions at once from a single upstream task. This is to better support auto-reduce parallelism where a single downstream task is impersona...
, 2016-12-06, 17:35
[TEZ-3271] Provide mapreduce failures.maxpercent equivalent
...There is a certain category of work that need not have 100% of tasks succeed to cause the work to be considered a success. To meet that end, I propose we provide a tez equivalent of mapreduc...
, 2016-12-05, 19:22
[TEZ-3463] Remove hadoop-mapreduce-client-common and hadoop-mapreduce-client-core from minimal distribution
, 2016-12-05, 17:51
[TEZ-3507] Task logs link when editing url from one task to another
...On Tez 0.7 UI. (haven't tested 0.9)Go to a finished task page for example go to task 1 task/task_123456789_12346_1_00_000001Note that logs link is correctEdit url from task 1 to task 2.Not t...
, 2016-12-05, 17:49
[TEZ-3222] Reduce messaging overhead for auto-reduce parallelism case
...A dag with 15k x 1000k vertex may auto-reduce to 15k x 1. And while the data size is appropriate for 1 task attempt, this results in an increase in task attempt message processing of 1...
, 2016-12-05, 17:15
[TEZ-3212] IFile throws NegativeArraySizeException for value sizes between 1GB and 2GB
...This is not a regression with respect to MR, just an issue that was encountered with a job whose IFile record values (which can be of max size 2GB) which can be successfully written but not ...
, 2016-11-20, 23:31
[TEZ-3195] TezMerger OOM: unreserve called while memory still held
...When the reader is closed in MergeQueue#adjustPriorityQueue, the byte buffer is still held in several places in the code while unreserve is called. In the case below, the Fetcher was trying ...
, 2016-11-18, 21:26
[TEZ-3477] MRInputHelpers generateInputSplitsToMem public API modified
...Pig and Hive directly rely on specific APIs in MRInputHelpers. I would like to ensure these signature are prevented from being modified. MRInputHelpers.generateInputSplitsToMem MRInputHelper...
, 2016-11-08, 19:00
[TEZ-3532] Backport MAPREDUCE-6808. Log map attempts as part of shuffle handler audit log
, 2016-11-07, 21:01
[MAPREDUCE-6808] Log map attempts as part of shuffle handler audit log
...With the introduction tez, multiple unrelated reducers in the same job will have the same id. The audit log won't be able to distinguish which map attempt the reduce was fetching. This jira ...
, 2016-11-07, 20:59
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