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https://issues.apache.org/jira/browse/HBASE-3417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126639#comment-13126639
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[email protected] commented on HBASE-3417:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2379/#review2548
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Ship it!
Just a few questions in the below. I'm good w/ commit. Would suggest open new
issue rather than reopen an old one in future -- makes it easier on the fellas
coming up behind us trying to make some sense of what we did. Good stuff.
/src/main/java/org/apache/hadoop/hbase/regionserver/Store.java
<https://reviews.apache.org/r/2379/#comment5719>
This is the tmp name? Thats what you want? I don't see where it gets set
to renamed filename.
/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
<https://reviews.apache.org/r/2379/#comment5720>
Why? To be more specific?
Oh, I see.... how about not removing the '-' from uuid? Is it illegal in
filesystem?
/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
<https://reviews.apache.org/r/2379/#comment5721>
This is better.
- Michael
On 2011-10-13 06:31:13, Jonathan Gray wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/2379/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-10-13 06:31:13)
bq.
bq.
bq. Review request for hbase, Dhruba Borthakur, Michael Stack, and Mikhail
Bautin.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. Adds a new test that fails w/o this fix and changes the naming scheme for
storefiles to use UUID instead of random longs as ascii.
bq.
bq. The big change is that the name of the tmp file used when flushing and
compacting is the same name (but different dir) when moved in place. This
makes it so block names are consistent for COW.
bq.
bq.
bq. This addresses bug HBASE-3417.
bq. https://issues.apache.org/jira/browse/HBASE-3417
bq.
bq.
bq. Diffs
bq. -----
bq.
bq. /src/main/java/org/apache/hadoop/hbase/io/hfile/AbstractHFileWriter.java
1182679
bq. /src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java 1182679
bq. /src/main/java/org/apache/hadoop/hbase/regionserver/Store.java 1182679
bq. /src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java
1182679
bq. /src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
1182679
bq.
bq. Diff: https://reviews.apache.org/r/2379/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq. TestFromClientSide and TestCacheOnWrite both working
bq.
bq.
bq. Thanks,
bq.
bq. Jonathan
bq.
bq.
> CacheOnWrite is using the temporary output path for block names, need to use
> a more consistent block naming scheme
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-3417
> URL: https://issues.apache.org/jira/browse/HBASE-3417
> Project: HBase
> Issue Type: Bug
> Components: io, regionserver
> Affects Versions: 0.92.0
> Reporter: Jonathan Gray
> Assignee: Jonathan Gray
> Priority: Critical
> Fix For: 0.92.0
>
> Attachments: HBASE-3417-redux-v1.patch, HBASE-3417-v1.patch,
> HBASE-3417-v2.patch, HBASE-3417-v5.patch
>
>
> Currently the block names used in the block cache are built using the
> filesystem path. However, for cache on write, the path is a temporary output
> file.
> The original COW patch actually made some modifications to block naming stuff
> to make it more consistent but did not do enough. Should add a separate
> method somewhere for generating block names using some more easily mocked
> scheme (rather than just raw path as we generate a random unique file name
> twice, once for tmp and then again when moved into place).
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