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[HDFS-6581] Write to single replica in memory
...Per discussion with the community on HDFS-5851, we will implement writing to a single replica in DN memory via DataTransferProtocol.This avoids some of the issues with short-circuit writes, ...
, 2015-06-17, 20:09
[HDFS-5741] BlockInfo#findDataNode can be removed
...NN now tracks replicas by storage, so BlockInfo#findDataNode can be replaced with BlockInfo#findStorageInfo.BlockManager#reportDiff is being fixed as part of HDFS-5483, this Jira is to fix t...
, 2015-06-17, 06:32
[HDFS-4769] TestPersistBlocks#testRestartDfs fails on Windows
...Exception details attached....
, 2015-06-17, 06:29
[HDFS-6934] Move checksum computation off the hot path when writing to RAM disk
...Since local RAM is considered reliable we can avoid writing checksums on the hot path when replicas are being written to a local RAM disk.The checksum can be computed by the lazy writer when...
, 2015-06-17, 04:33
[HDFS-8600] TestWebHdfsFileSystemContract.testGetFileBlockLocations fails in branch-2.7
...The test fails with a cast error due to the following commit.65bfde5 2015-03-03 wheat9@apa o HDFS-6565. Use jackson instead jetty json in hdfs-client. Contributed by Akira AJISAKA.toJsonMap ...
, 2015-06-15, 06:15
[HDFS-8560] Document that DN max locked memory must be configured to use RAM disk
...HDFS-6919 introduced the requirement that max locked memory must be configured to use RAM disk storage via the LAZY_PERSIST storage policy.We need to document it....
, 2015-06-12, 16:05
[HDFS-8561] The default retry policy does not handle RetriableException correctly
...checkNNStartup currently throws an IOException if services have not yet been started.This propagates as a RemoteException to the client which is not retriable with the default retry policy i...
, 2015-06-10, 04:53
[HDFS-8401] Memfs - a layered file system for in-memory storage in HDFS
...We propose creating a layered filesystem that can provide in-memory storage using existing features within HDFS. memfs will use lazy persist writes introduced by HDFS-6581. For reads, memfs ...
, 2015-05-29, 02:22
[HDFS-8454] Remove unnecessary throttling in TestDatanodeDeath
...The testSimple* test cases use artificial throttling in the output stream.The throttling does not look necessary to verify the correctness and the same code paths are exercised without the t...
, 2015-05-22, 16:36
[HDFS-8455] Consider skipping stress tests for precommit builds
...Our test suite includes a few stress-test type of tests. We should consider skipping in the Jenkins precommit builds. We can continue to run them in the Hudson nightly builds....
, 2015-05-21, 22:09
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