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Anoop Sam John
Stephen Yuan Jiang
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[HBASE-12508] Describe the upgrade procedure from HBase to HydraBase
...We need to describe and test the upgrade procedure from HBase to HydraBase.At a high level, we need to answer following questions:1. Online/Downtime2. Revert options3. Backward compatibility...
, 2014-11-18, 00:06
[HBASE-12507] Modify HBCK to work with Quorum based WAL
...With quorum based WAL, there will be changes in the consistency checks required for the cluster. Filing this JIRA to track this!...
, 2014-11-18, 00:03
[HBASE-12506] Export RAFT protocol metrics
...Filing a JIRA to track the changes required to export/integrate the RAFT protocol metrics with the current HBase metrics....
, 2014-11-18, 00:02
[HBASE-12505] Make flushes and compactions work with quorum based WAL
...With the quorum based WAL, there will be multiple peers hosting the same region. Only one peer is ACTIVE and can do flushes and compactions per cluster. We need to create WALEdits for flushe...
, 2014-11-18, 00:00
[HBASE-12504] Integrate Quorum Membership change into HBase
...The RAFT protocol already has the support for online quorum membership change. This JIRA is track the changes required to make the changes in HBase to allow changing the set of quorum member...
, 2014-11-17, 23:56
[HBASE-12503] Integrate replication into HydraBase
...With the WAL residing on local storage media, we need to update the replication framework to be compatible with this mode.Filing this master task to track this JIRA...
, 2014-11-17, 23:54
[HBASE-12502] Integrate HRegion Role policy (ACTIVE|ACTIVE-WITNESS|SHADOW-WITNESS)
...With multiple region servers hosting the same region, we need to assign roles for each of them. Where there is only one ACTIVE per cluster and others are in WITNESS mode.Filing a JIRA to tra...
, 2014-11-17, 23:52
[HBASE-12501] Update the HBase client to be Quorum aware
...With the integration of Quorum based WAL, the HBase client needs to locate the current leader to perform the operations. Filing a JIRA to track this effort....
, 2014-11-17, 23:50
[HBASE-12500] Update the read/write path of HBase w.r.t the RAFT Protocol
...By adding RAFT protocol based implementation of the WAL. We will have to update the read/write flow of HBase operations accordingly. Filing the master task here. Will add the follow up tasks...
, 2014-11-17, 23:48
[HBASE-12477] Add a flush failed metric
...There can be HDFS issues which can cause the flush to fail during opening/writing/closing the HFile. It would be nice to capture this in a metric....
, 2014-11-14, 20:12
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