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[TEZ-3712] Use Local FileContext for deleting dag level directories -
Tez - [issue]
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| ...To delete dag level directories that are not empty, use FileContext utilities instead of LocalFileSystem. This is since the LocalFileSystem call boils down to File.io delete call which does ... |
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[TEZ-3682] Pass parameters instead of configuration for changes to support tez shuffle handler -
Tez - [issue]
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| ...Lower level objects should have no knowledge of the source of configuration and should instead be passed directly the information necessary for construction.... |
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[TEZ-3245] Race condition between addKnowInput and clearAndGetOnepartition of InputHost -
Tez - [issue]
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| ...In ShuffleManager::addKnownInput, InputHost::addKnowInput is invoked without locking. At the same time, InputHost::clearAndGetOnePartition can be invoked with lock(ShuffleManager.RunShuffleC... |
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[TEZ-3395] Refactor ShuffleVertexManager to make parts of it re-usable in other plugins -
Tez - [issue]
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| ...By putting event handling and other common functionalities into a super class, it makes writing new VertexManagerPlugin other than the existing ShuffleVertexManager easier and more robust.... |
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[TEZ-3297] Deadlock scenario in AM during ShuffleVertexManager auto reduce -
Tez - [issue]
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| ...Here is what's happening in the attached thread dump.App Pool thread #9 does the auto reduce on V2 and initializes the new edge manager, it holds the V2 write lock and wants read lock of sou... |
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[TEZ-3675] Handle changes to ResourceCalculatorProcessTree in YARN-3427 for Hadoop 3.x -
Tez - [issue]
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| ...Removing some APIs. We'll likely need to shim this class.Ideally, create the shim for 2.6 to use the old methods, and everything else uses the new methods.Alternately, change the min hadoop ... |
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[TEZ-3679] Minor ASF header issues -
Tez - [issue]
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| ...In UnorderedKVInput.java,i found the redundant words "git diff" in the head.I guess someone left it.Then I remove it to make the license head correct... |
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[TEZ-3680] Optimizations to UnorderedPartitionedKVWriter -
Tez - [issue]
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| ...1. Consider increasing the number of threads in spill executor. TEZ_RUNTIME_UNORDERED_OUTPUT_MAX_PER_BUFFER_SIZE_BYTES can be used to configure the buffer size. If smaller buffer sizes are p... |
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[TEZ-3333] Tez UI: Handle cases where Vertex/Task/Task Attempt data is missing -
Tez - [issue]
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| ...Observations (When vertex, task & attempt details are not available): All the tables will just display a “No records available!” message, and work as expected. But Graphical and swimlane... |
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[TEZ-3532] Backport MAPREDUCE-6808. Log map attempts as part of shuffle handler audit log -
Tez - [issue]
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