Colin Patrick McCabe
Tsz Wo Nicholas Sze
Aaron T. Myers
Brahma Reddy Battula
Uma Maheswara Rao G
Surendra Singh Lilhore
Rushabh S Shah
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[HDFS-8157] Writes to RAM DISK reserve locked memory for block files
...Per discussion on HDFS-6919, the first step is that writes to RAM disk will reserve locked memory via the FsDatasetCache....
, 2015-05-17, 16:37
[HDFS-8403] Eliminate retries in TestFileCreation#testOverwriteOpenForWrite
...TestFileCreation#testOverwriteOpenForWrite attempts 5 retries to verify the failure case.The retries are not necessary to verify correct behavior....
, 2015-05-16, 17:07
[HDFS-6919] Enforce a single limit for RAM disk usage and replicas cached via locking
...The DataNode can have a single limit for memory usage which applies to both replicas cached via CCM and replicas on RAM disk.See comments 1, 2 and 3 for discussion....
, 2015-05-16, 17:04
[HDFS-8381] Reduce time taken for complete HDFS unit test run
...HDFS unit tests take a long time to run. Our unit tests are more like system/integration tests since we spin up a MiniDFSCluster for individual test cases. A number of tests have sleeps whic...
, 2015-05-14, 19:49
[HDFS-5682] Heterogeneous Storage phase 2 - APIs to expose Storage Types
...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...
, 2015-05-13, 21:48
[HDFS-8393] Reserve locked memory for .meta files
...HDFS-8157 added locked memory reservation for block data files written to memory. We should add similar support for .meta files....
, 2015-05-13, 21:05
Re: Planning Hadoop 2.6.1 release
- [mail # dev]
...HDFS candidates for back-porting to Hadoop 2.6.1. The first two were requested in .HADOOP-11674. oneByteBuf in CryptoInputStream and CryptoOutputStream should be non staticHADOOP-11710. M...
, 2015-04-30, 22:56
[HDFS-5000] DataNode configuration should allow specifying storage type
...The DataNode configuration should allow the administrator to optionally specify the storage type for each storage directory.The DataNode should send the storage type with the block report....
, 2015-04-28, 22:03
[HDFS-6929] NN periodically unlinks lazy persist files with missing replicas from namespace
...Occasional data loss is expected when using the lazy persist flag due to node restarts. The NN will optionally unlink lazy persist files from the namespace to avoid them from showing up as c...
, 2015-04-28, 11:12
[HDFS-8152] Refactoring of lazy persist storage cases
...Add a builder pattern to make it easier to test new configurations....
, 2015-04-20, 16:33
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