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[HDFS-6768] TestBlockRecovery, TestRefreshCallQueue and TestGenericRefresh should use ephemeral ports - HDFS - [issue]
...TestBlockRecovery uses hard-coded port numbers making it susceptible to 'port in use' errors as seen hereError MessagePort in use: localhost:50070Stacktracejava.net.BindException: Port in us...
http://issues.apache.org/jira/browse/HDFS-6768    Author: Arpit Agarwal, 2014-07-30, 09:01
[HDFS-6758] block writer should pass the expected block size to DataXceiverServer - HDFS - [issue]
...DataXceiver initializes the block size to the default block size for the cluster. This size is later used by the FsDatasetImpl when applying VolumeChoosingPolicy.    block.set...
http://issues.apache.org/jira/browse/HDFS-6758    Author: Arpit Agarwal, 2014-07-29, 19:40
[HDFS-6769] TestRefreshCallQueue and TestGenericRefresh should use ephemeral ports - HDFS - [issue]
...TestRefreshCallQueue and TestGenericRefresh use the same hard-coded port number (54222) leaving them susceptible to 'port in use' errors with parallel testing as seen here.Error MessageProbl...
http://issues.apache.org/jira/browse/HDFS-6769    Author: Arpit Agarwal, 2014-07-29, 19:39
[HDFS-5153] Datanode should send block reports for each storage in a separate message - HDFS - [issue]
...When the number of blocks on the DataNode grows large we start running into a few issues: Block reports take a long time to process on the NameNode. In testing we have seen that a block repo...
http://issues.apache.org/jira/browse/HDFS-5153    Author: Arpit Agarwal, 2014-07-25, 23:28
[HDFS-6712] Document HDFS Multihoming Settings - HDFS - [issue]
...A few HDFS settings can be changed to enable better support in multi-homed environments. This task is to write a short guide to these settings....
http://issues.apache.org/jira/browse/HDFS-6712    Author: Arpit Agarwal, 2014-07-23, 15:58
[HDFS-5682] Heterogeneous Storage phase 2 - APIs to expose Storage Types - HDFS - [issue]
...Phase 1 (HDFS-2832) added support to present the DataNode as a collection of discrete storages of different types.This Jira is to track phase 2 of the Heterogeneous Storage work which involv...
http://issues.apache.org/jira/browse/HDFS-5682    Author: Arpit Agarwal, 2014-07-23, 05:45
[HDFS-6708] StorageType should be encoded in the block token - HDFS - [issue]
...HDFS-6702 is adding support for file creation based on StorageType.The block token is used as a tamper-proof channel for communicating block parameters from the NN to the DN during block cre...
http://issues.apache.org/jira/browse/HDFS-6708    Author: Arpit Agarwal, 2014-07-23, 03:12
[HDFS-5391] writeBlock should accept a target storage directory - HDFS - [issue]
...writeBlock should optionally accept a target storage, if one is not provided the DataNode should be able to pick one.The target storage should be embedded in the block token....
http://issues.apache.org/jira/browse/HDFS-5391    Author: Arpit Agarwal, 2014-07-23, 03:09
[HDFS-6209] Fix flaky test TestValidateConfigurationSettings.testThatDifferentRPCandHttpPortsAreOK - HDFS - [issue]
...The test depends on hard-coded port numbers being available. It should retry if the chosen port is in use.Exception details below in a comment....
http://issues.apache.org/jira/browse/HDFS-6209    Author: Arpit Agarwal, 2014-06-30, 09:18
[HDFS-5851] Support memory as a storage medium - HDFS - [issue]
...Memory can be used as a storage medium for smaller/transient files for fast write throughput.More information/design will be added later....
http://issues.apache.org/jira/browse/HDFS-5851    Author: Arpit Agarwal, 2014-06-29, 03:30
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