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[HDFS-10285] Storage Policy Satisfier in Namenode
- HDFS - [issue]
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| ...Heterogeneous storage in HDFS introduced the concept of storage policy. These policies can be set on directory/file to specify the user preference, where to store the physical block. When us... |
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[HDFS-10899] Add functionality to re-encrypt EDEKs.
- HDFS - [issue]
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| ...Currently when an encryption zone (EZ) key is rotated, it only takes effect on new EDEKs. We should provide a util to re-encrypt EDEKs after the EZ key rotation, for improved security.... |
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[HDFS-10800] [SPS]: Daemon thread in Namenode to find blocks placed in other storage than what the policy specifies
- HDFS - [issue]
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| ...This JIRA is for implementing a daemon thread called StoragePolicySatisfier in namatode, which scans the asked files blocks which are placed in different storages in DNs than the related pol... |
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[HDFS-10898] libhdfs++: Make logs more informative and consistent
- HDFS - [issue]
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| ...Most of the public C++ FileHandle/FileSystem operations have a LOG_TRACE level message about parameters passed in etc. However many methods use LOG_DEBUG and a couple use LOG_INFO.We m... |
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[HDFS-10843] Quota Feature Cached Size != Computed Size When Block Committed But Not Completed
- HDFS - [issue]
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| ...Currently when a block has been committed but has not yet been completed, the cached size (used for the quota feature) of the directory containing that block differs from the computed size. ... |
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Re: HADOOP-13636 and io.bytes.per.checksum
- HDFS - [mail # dev]
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| ...Have you git blamed to dig up the original JIRA conversation? I think thatdeprecation predates many of us, so you might not get much historicalperspective from the mailing list.I'm happy to ... |
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HADOOP-13636 and io.bytes.per.checksum
- HDFS - [mail # dev]
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| ...I'm getting told off for using the deprecated option: io.bytes.per.checksumhttps://issues.apache.org/jira/browse/HADOOP-13636Except: I'm not. FileSystem.getServerDefaults() is, which is used... |
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Author: Steve Loughran,
2016-09-21, 16:12
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[HDFS-10797] Disk usage summary of snapshots causes renamed blocks to get counted twice
- HDFS - [issue]
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| ...DirectoryWithSnapshotFeature.computeContentSummary4Snapshot calculates how much disk usage is used by a snapshot by tallying up the files in the snapshot that have since been deleted (that w... |
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[HDFS-10873] Add histograms for FSNamesystemLock Metrics
- HDFS - [issue]
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| ...It could be useful to have full histograms for how long operations are holding the namesystem lock in addition to just rate information. This will, however, be a large number of emitted metr... |
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[HDFS-10872] Add MutableRate metrics for FSNamesystemLock operations
- HDFS - [issue]
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| ...Add metrics for FSNamesystemLock operations to see, overall, how long each operation is holding the lock for. Use MutableRate metrics for now.... |
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[HDFS-10886] Replace "fs.default.name" with "fs.defaultFS" in viewfs document
- HDFS - [issue]
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| ...As we given two sections,update in New World – Federation and ViewFs not in The Old World (Prior to Federation) section. "fs.default.name" is deprecated, we shou... |
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