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[HBASE-4268] Add utility to entirely clear out ZK - HBase - [issue]
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...In disaster scenarios, sometimes some cruft is left over in ZK, when it would be better to do a truely clean startup. We should add a script which allows the admin to clear out ZK while the ...
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http://issues.apache.org/jira/browse/HBASE-4268
Author: Todd Lipcon,
2012-10-29, 23:20
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[HBASE-2406] Define semantics of cell timestamps/versions - HBase - [issue]
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...There is a lot of general confusion over the semantics of the cell timestamp. In particular, a couple questions that often come up: If multiple writes to a cell have the same timestamp, are ...
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http://issues.apache.org/jira/browse/HBASE-2406
Author: Todd Lipcon,
2012-10-25, 12:59
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[HBASE-4365] Add a decent heuristic for region size - HBase - [issue]
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...A few of us were brainstorming this morning about what the default region size should be. There were a few general points made: in some ways it's better to be too-large than too-small, since...
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http://issues.apache.org/jira/browse/HBASE-4365
Author: Todd Lipcon,
2012-10-19, 20:01
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[HBASE-2445] Clean up client retry policies - HBase - [issue]
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...Right now almost all retry behavior is governed by a single parameter that determines the number of retries. In a few places, there are also conf for the number of millis to sleep between re...
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http://issues.apache.org/jira/browse/HBASE-2445
Author: Todd Lipcon,
2012-10-01, 20:43
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[HBASE-2981] Improve consistency of performance during heavy load - HBase - [issue]
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...Currently when running load tests like YCSB, we experience periods of complete cluster inactivity while all clients are blocked on a single region which is unavailable.As discussed recently ...
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http://issues.apache.org/jira/browse/HBASE-2981
Author: Todd Lipcon,
2012-09-28, 03:54
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[HBASE-2357] Coprocessors: Add read-only region replicas (slaves) for availability and fast region recovery - HBase - [issue]
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...I dont plan on working on this in the short term, but the idea is to extend region ownership to have two modes. Each region has one primary region server and N slave region servers. The slav...
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http://issues.apache.org/jira/browse/HBASE-2357
Author: Todd Lipcon,
2012-09-19, 20:56
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[HBASE-3834] Store ignores checksum errors when opening files - HBase - [issue]
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...If you corrupt one of the storefiles in a region (eg using vim to muck up some bytes), the region will still open, but that storefile will just be ignored with a log message. We should proba...
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http://issues.apache.org/jira/browse/HBASE-3834
Author: Todd Lipcon,
2012-09-19, 20:49
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[HBASE-5452] Fixes for HBase shell with protobuf-based data - HBase - [issue]
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http://issues.apache.org/jira/browse/HBASE-5452
Author: Todd Lipcon,
2012-09-18, 22:55
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Re: DISCUSSION: Component Lieutenants? - HBase - [mail # dev]
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...On Fri, Sep 14, 2012 at 9:15 PM, lars hofhansl wrote: I feel like that would take us back to the status quo. The downside of this proposal is that we should probably have s...
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Author: Todd Lipcon,
2012-09-17, 21:12
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Re: DISCUSSION: Component Lieutenants? - HBase - [mail # dev]
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...I like the idea of lieutenants, but another option would be a "multi-lieutenant" model. The model used at google is that each directory has a file called "OWNERS" which lists several u...
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Author: Todd Lipcon,
2012-09-14, 20:15
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