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https://issues.apache.org/jira/browse/HBASE-4422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117456#comment-13117456
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jirapos...@reviews.apache.org commented on HBASE-4422:
------------------------------------------------------



bq.  On 2011-09-29 00:50:58, Andrew Purtell wrote:
bq.  > 
/src/main/java/org/apache/hadoop/hbase/io/hfile/AbstractHFileWriter.java, line 
112
bq.  > <https://reviews.apache.org/r/2089/diff/1/?file=46305#file46305line112>
bq.  >
bq.  >     CacheConfig could extend Configuration? It's only extra constants 
and constructors, really.

I considered doing that.  But they seem orthogonal in most of their usage and I 
think it'd be weird to pass our Configuration all the way down into HFile 
reading and such.  Changing config values dynamically (like disabling caching 
for a specific read) would then require changing the base Configuration or 
would the local booleans in the CacheConfig not match what's in the underlying 
Configuration?


- Jonathan


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On 2011-09-28 19:56:14, Jonathan Gray wrote:
bq.  
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/2089/
bq.  -----------------------------------------------------------
bq.  
bq.  (Updated 2011-09-28 19:56:14)
bq.  
bq.  
bq.  Review request for hbase, Dhruba Borthakur, Michael Stack, and Li Pi.
bq.  
bq.  
bq.  Summary
bq.  -------
bq.  
bq.  Creates a new CacheConfig class and moves almost everything block cache 
related into this single class.  Adding new configuration params and booleans 
and such should be much better.
bq.  
bq.  All tests are NOT passing yet, still working on it, but wanted to have 
something up today.  Basically "code complete" but broken :)
bq.  
bq.  
bq.  This addresses bug HBASE-4422.
bq.      https://issues.apache.org/jira/browse/HBASE-4422
bq.  
bq.  
bq.  Diffs
bq.  -----
bq.  
bq.    /src/main/java/org/apache/hadoop/hbase/io/HalfStoreFileReader.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/AbstractHFileReader.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/AbstractHFileWriter.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/CacheConfig.java 
PRE-CREATION 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFile.java 1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFilePrettyPrinter.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV1.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV2.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV1.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/mapreduce/HFileOutputFormat.java 
1177030 
bq.    
/src/main/java/org/apache/hadoop/hbase/mapreduce/LoadIncrementalHFiles.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java 1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/regionserver/Store.java 1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/regionserver/StoreFile.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/util/BloomFilterFactory.java 
1177030 
bq.    /src/main/java/org/apache/hadoop/hbase/util/CompressionTest.java 1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/HFilePerformanceEvaluation.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/TestHalfStoreFileReader.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/RandomSeek.java 1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestCacheOnWrite.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFile.java 1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileBlockIndex.java 
1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFilePerformance.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileReaderV1.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileSeek.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileWriterV2.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestReseekTo.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/io/hfile/TestSeekTo.java 1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/mapreduce/TestHFileOutputFormat.java 
1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/mapreduce/TestLoadIncrementalHFiles.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/regionserver/TestBlocksRead.java 
1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompactSelection.java 
1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/regionserver/TestCompoundBloomFilter.java
 1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/regionserver/TestFSErrorsExposed.java 
1177030 
bq.    /src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFile.java 
1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/regionserver/TestStoreFileBlockCacheSummary.java
 1177030 
bq.    
/src/test/java/org/apache/hadoop/hbase/regionserver/wal/TestWALReplay.java 
1177030 
bq.  
bq.  Diff: https://reviews.apache.org/r/2089/diff
bq.  
bq.  
bq.  Testing
bq.  -------
bq.  
bq.  Still working through some tests that aren't passing.
bq.  
bq.  
bq.  Thanks,
bq.  
bq.  Jonathan
bq.  
bq.


                
> Move block cache parameters and references into single CacheConf class
> ----------------------------------------------------------------------
>
>                 Key: HBASE-4422
>                 URL: https://issues.apache.org/jira/browse/HBASE-4422
>             Project: HBase
>          Issue Type: Improvement
>          Components: io
>            Reporter: Jonathan Gray
>            Assignee: Jonathan Gray
>             Fix For: 0.92.0
>
>
> From StoreFile down to HFile, we currently use a boolean argument for each of 
> the various block cache configuration parameters that exist.  The number of 
> parameters is going to continue to increase as we look at compressed cache, 
> delta encoding, and more specific L1/L2 configuration.  Every new config 
> currently requires changing many constructors because it introduces a new 
> boolean.
> We should move everything into a single class so that modifications are much 
> less disruptive.

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