Misty Stanley-Jones (JIRA | 22 Dec 05:44 2014
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[jira] [Created] (HBASE-12738) Chunk Ref Guide into file-per-chapter

Misty Stanley-Jones created HBASE-12738:
-------------------------------------------

             Summary: Chunk Ref Guide into file-per-chapter
                 Key: HBASE-12738
                 URL: https://issues.apache.org/jira/browse/HBASE-12738
             Project: HBase
          Issue Type: Sub-task
          Components: documentation
            Reporter: Misty Stanley-Jones
            Assignee: Misty Stanley-Jones

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Tatsuo Kawasaki (JIRA | 22 Dec 05:30 2014
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[jira] [Created] (HBASE-12737) Fixed typos hbase shell prompt in documents

Tatsuo Kawasaki created HBASE-12737:
---------------------------------------

             Summary: Fixed typos hbase shell prompt in documents
                 Key: HBASE-12737
                 URL: https://issues.apache.org/jira/browse/HBASE-12737
             Project: HBase
          Issue Type: Bug
          Components: documentation
            Reporter: Tatsuo Kawasaki
            Priority: Trivial

There are invalid prompts in replication chapter and security chapters.

e.g: 
hbase< add_peer 'ID' 'CLUSTER_KEY' 

Should be 
hbase> add_peer 'ID' 'CLUSTER_KEY' 

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Misty Stanley-Jones (JIRA | 22 Dec 03:22 2014
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[jira] [Resolved] (HBASE-6142) Javadoc in some Filters ambiguous


     [
https://issues.apache.org/jira/browse/HBASE-6142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Misty Stanley-Jones resolved HBASE-6142.
----------------------------------------
    Resolution: Won't Fix

No feedback on this since 2012. Closing.

> Javadoc in some Filters ambiguous
> ---------------------------------
>
>                 Key: HBASE-6142
>                 URL: https://issues.apache.org/jira/browse/HBASE-6142
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 0.92.2, 0.94.1, 0.95.2
>            Reporter: Joep Rottinghuis
>            Assignee: Misty Stanley-Jones
>            Priority: Minor
>              Labels: beginner
>
> The javadoc on some of the filter is somewhat confusing.
> The main Filter interface has methods that behave like a sieve; when filterRowKey returns true, that
means that the row is filtered _out_ (not included).
> Many of the Filter implementations work the other way around. When the condition is met the value passes
(ie, the row is returned).
> Most Filters make it clear when a values passes (passing through the filter meaning the values are
(Continue reading)

Jurriaan Mous (JIRA | 20 Dec 15:07 2014
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[jira] [Created] (HBASE-12736) Let MetaScanner recycle a given Connection

Jurriaan Mous created HBASE-12736:
-------------------------------------

             Summary: Let MetaScanner recycle a given Connection
                 Key: HBASE-12736
                 URL: https://issues.apache.org/jira/browse/HBASE-12736
             Project: HBase
          Issue Type: Improvement
          Components: Client
            Reporter: Jurriaan Mous
            Assignee: Jurriaan Mous

It is very heavy to create a Connection on each meta scan. Connections create RpcClients, RpcClients
create connections and all cannot be recycled.

Tests with a lot of metascans are very heavy with the async client.

This issue is to make anything that uses metaScans reuse the same connection.

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stack (JIRA | 20 Dec 03:54 2014
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[jira] [Created] (HBASE-12735) Refactor TAG so it can live as unit test and as an integration test

stack created HBASE-12735:
-----------------------------

             Summary: Refactor TAG so it can live as unit test and as an integration test
                 Key: HBASE-12735
                 URL: https://issues.apache.org/jira/browse/HBASE-12735
             Project: HBase
          Issue Type: Sub-task
          Components: test
            Reporter: stack
            Assignee: Jonathan Hsieh

Parent task moved TAG to IT wholesale. This is about keeping a bit of ACID coverage going in UT.  Jon offered to
refactor TAG so can live in IT and UT.

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zhangduo (JIRA | 20 Dec 03:01 2014
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[jira] [Created] (HBASE-12734) TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey

zhangduo created HBASE-12734:
--------------------------------

             Summary: TestPerColumnFamilyFlush.testCompareStoreFileCount is flakey
                 Key: HBASE-12734
                 URL: https://issues.apache.org/jira/browse/HBASE-12734
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.0, 1.1.0
            Reporter: zhangduo
            Assignee: zhangduo
            Priority: Minor

Memstore flush is an async operation so the result is flakey.
Need to make it more stable.

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Andrew Purtell (JIRA | 20 Dec 02:07 2014
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[jira] [Created] (HBASE-12733) High volume of "Couldn't find oldest seqNum" warnings if bypassing WAL

Andrew Purtell created HBASE-12733:
--------------------------------------

             Summary: High volume of "Couldn't find oldest seqNum" warnings if bypassing WAL
                 Key: HBASE-12733
                 URL: https://issues.apache.org/jira/browse/HBASE-12733
             Project: HBase
          Issue Type: Bug
            Reporter: Andrew Purtell
            Priority: Minor

When ingesting with the WAL bypassed, the RegionServer will log the following at every flush:
{noformat}
2014-12-19 16:58:24,630 WARN  [MemStoreFlusher.0] wal.FSHLog: Couldn't find oldest seqNum for the
region we are about to flush: [86fc8c1374ebc29cc4a39a78966d48e0]
{noformat}

The WAL won't find a seqnum for the region until the first edit which does not bypass the WAL. That might not be
for hundreds or thousands of flushes. This shouldn't be at WARN level since ingest with WAL bypass is legal
if a bit unusual. It's concerning that the FSHLog code that emits that warning has a TODO above suggesting
the warning should instead be an assertion.

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Enis Söztutar | 20 Dec 00:13 2014
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First release candidate for HBase 1.0.0 (RC0) is available. Please vote by 02/01/2015

I gives me great pleasure to announce that the first release candidate for
the release
1.0.0 (HBase-1.0.0RC0), is available for download at
https://dist.apache.org/repos/dist/dev/hbase/hbase-1.0.0RC0/

Maven artifacts are also available in the temporary repository
https://repository.apache.org/content/repositories/orgapachehbase-1052

Signed with my code signing key E964B5FF. Can be found here:
https://people.apache.org/keys/committer/enis.asc

Signed tag in the repository can be found here:
https://git-wip-us.apache.org/repos/asf?p=hbase.git;a=tag;h=5bf3eee0c072a4b91124b5f9c910391d91f501ad

HBase 1.0.0 is the next stable release, and the start of "semantic
versioned"
releases (See [1]).

The theme of 1.0.0 release is to become a stable base for future 1.x series
of releases. We aim to achieve at least the same level of stability of 0.98
releases.

1.0.0 release contains 70+ fixes on top of 0.99.2 release (note that all
0.99.x
releases are developer preview releases, and will not be supported in any
form).
Together with the previous 0.99.x releases, major changes in 1.0.0 are
listed (but not limited to) below.

API Cleanup and changes
(Continue reading)

Tobi Vollebregt (JIRA | 19 Dec 23:50 2014
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[jira] [Created] (HBASE-12732) Log messages in FileLink$FileLinkInputStream#tryOpen are reversed

Tobi Vollebregt created HBASE-12732:
---------------------------------------

             Summary: Log messages in FileLink$FileLinkInputStream#tryOpen are reversed
                 Key: HBASE-12732
                 URL: https://issues.apache.org/jira/browse/HBASE-12732
             Project: HBase
          Issue Type: Bug
          Components: hbase
            Reporter: Tobi Vollebregt
            Priority: Trivial

The log message in `tryOpen` is reversed:

{code:java}
            if (currentPath != null) {
              LOG.debug("link open path=" + path);
            } else {
              LOG.trace("link switch from path=" + currentPath + " to path=" + path);
            }
{code}

By reading the logic, we can see that when switching paths (currentPath != null) it will log that it opened a
path, and when opening a path, it will print that it switched from path=null to the new path.  

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(Continue reading)

Andrew Purtell (JIRA | 19 Dec 20:57 2014
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[jira] [Created] (HBASE-12731) Heap occupancy based client pushback

Andrew Purtell created HBASE-12731:
--------------------------------------

             Summary: Heap occupancy based client pushback
                 Key: HBASE-12731
                 URL: https://issues.apache.org/jira/browse/HBASE-12731
             Project: HBase
          Issue Type: New Feature
            Reporter: Andrew Purtell
            Assignee: Andrew Purtell

If the heap occupancy of a RegionServer is beyond a configurable high water mark (suggestions: 95%, 98%)
then we should reject all user RPCs and only allow administrative RPCs until occupancy has dropped below a
configurable low water mark (suggestions: 90%). 

Implement building on the HBASE-5162 changes.

It might be expensive to check heap occupancy, in which case we can sample it periodically with a chore and
use the last known value in pushback calculations. 

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Andrew Purtell (JIRA | 19 Dec 20:50 2014
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[jira] [Created] (HBASE-12730) Backport HBASE-5162 (Basic client pushback mechanism) to branch-1

Andrew Purtell created HBASE-12730:
--------------------------------------

             Summary: Backport HBASE-5162 (Basic client pushback mechanism) to branch-1
                 Key: HBASE-12730
                 URL: https://issues.apache.org/jira/browse/HBASE-12730
             Project: HBase
          Issue Type: Sub-task
            Reporter: Andrew Purtell

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