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Posted to commits@distributedlog.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/12/28 07:33:59 UTC
[jira] [Commented] (DL-112) Improve SyncReader to access readahead
cache directly
[ https://issues.apache.org/jira/browse/DL-112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15782291#comment-15782291 ]
Hudson commented on DL-112:
---------------------------
UNSTABLE: Integrated in Jenkins build distributedlog-nightly-build #170 (See [https://builds.apache.org/job/distributedlog-nightly-build/170/])
DL-112: Improve SyncReader to access readahead cache directly (sijieg: rev e690a8cd496a46f2085184668f98475d239510b4)
* (edit) distributedlog-core/src/main/java/com/twitter/distributedlog/BKLogReadHandler.java
* (edit) distributedlog-core/src/main/java/com/twitter/distributedlog/ReadAheadCache.java
* (edit) distributedlog-core/src/main/java/com/twitter/distributedlog/BKAsyncLogReaderDLSN.java
* (edit) distributedlog-core/src/main/java/com/twitter/distributedlog/BKSyncLogReaderDLSN.java
* (edit) distributedlog-core/src/test/java/com/twitter/distributedlog/TestNonBlockingReadsMultiReader.java
* (edit) distributedlog-core/src/test/java/com/twitter/distributedlog/NonBlockingReadsTestUtil.java
* (edit) distributedlog-core/src/test/java/com/twitter/distributedlog/TestBKSyncLogReader.java
* (edit) distributedlog-core/src/main/java/com/twitter/distributedlog/BKDistributedLogManager.java
> Improve SyncReader to access readahead cache directly
> -----------------------------------------------------
>
> Key: DL-112
> URL: https://issues.apache.org/jira/browse/DL-112
> Project: DistributedLog
> Issue Type: Improvement
> Components: distributedlog-core
> Reporter: Sijie Guo
> Assignee: Sijie Guo
>
> This changes the implementation of SyncReader to let it access the read ahead cache directly, rather
> than calling AsyncReader to fetch the entries. It would reduce the function calls that SyncReader spends
> on reading individual records.
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