Vinod Kumar Vavilapalli
Matthias J. Sax
Jarek Jarcec Cecho
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[ZOOKEEPER-1692] Add support for single member ensemble
...In the past, we ran into problem where quorum could not be formed multiple times. It take a while to investigate the root cause and fix the problem.Our current solution is to make it possibl...
, 2017-04-08, 09:34
[ZOOKEEPER-1609] Improve ZooKeeper performance under mixed workload
...ZOOKEEPER-1505 allows 1 write or N reads to pass through the CommitProcessor at any given time. I did performance experiment similar to http://wiki.apache.org/hadoop/ZooKeeper/Performance an...
, 2017-04-07, 12:19
[ZOOKEEPER-1445] Add support for binary data for zktreeutil
...zktreeutil does not support binary data. The program will fail to import/export znode's data which are in binary format. We are going to use OpenSSL library to perform Base64 encoding so tha...
, 2017-03-13, 16:21
[ZOOKEEPER-1636] c-client crash when zoo_amulti failed
...deserialize_response for multi operation don't handle the case where the server fail to send back response. (Eg. when multi packet is too large) c-client will try to process completion of al...
, 2017-03-13, 16:21
[ZOOKEEPER-1729] Add l4w command "snap" to trigger log rotation and snapshotting
..."snap" command can be used to trigger log rotate and snapshotting on each server. One use case for this command is to make server restart faster by issuing snap command before restarting the...
, 2017-02-17, 15:08
[ZOOKEEPER-1865] Fix retry logic in Learner.connectToLeader()
...We discovered a long leader election time today in one of our prod ensemble.Here is the description of the event. Before the old leader goes down, it is able to announce notification message...
, 2015-03-15, 22:28
[ZOOKEEPER-1651] Add support for compressed snapshot
...We want to keep many copies of snapshots on disk so that we can debug the problem afterward. However, the snapshot can be large, so we added a feature that allow the server to dump/load snap...
, 2014-10-30, 10:43
[ZOOKEEPER-1787] Add support for enabling local session in rolling upgrade
...Currently, local session need to be enable by stopping the entire ensemble. If a rolling upgrade is used, all write request from a local session will fail with session move until the local s...
, 2014-08-23, 16:43
[ZOOKEEPER-1695] Inconsistent error code and type for new errors introduced by dynamic reconfiguration
...From KeeperException.Code, RECONFIGINPROGRESS and NEWCONFIGNOQUORUM are declared as system errors. However, their error code suggested that they are API errors. We either need to move it to ...
, 2014-04-30, 11:33
[ZOOKEEPER-1607] Read-only Observer
...This feature reused some of the mechanism already provided by ReadOnlyZooKeeper (ZOOKEEPER-704) but implemented in a different wayGoal: read-only clients should be able to connect to the obs...
, 2014-04-10, 04:32
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