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Posted to commits@cassandra.apache.org by jb...@apache.org on 2013/09/29 23:55:25 UTC
[4/5] git commit: make 99percentile the default speculative retry
make 99percentile the default speculative retry
Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/d7bf566a
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/d7bf566a
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/d7bf566a
Branch: refs/heads/cassandra-2.0
Commit: d7bf566aed0cd8add3707f97aa309b2bba9b28ee
Parents: 8693a26
Author: Jonathan Ellis <jb...@apache.org>
Authored: Sun Sep 29 16:53:45 2013 -0500
Committer: Jonathan Ellis <jb...@apache.org>
Committed: Sun Sep 29 16:54:30 2013 -0500
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NEWS.txt | 10 ++++++++++
src/java/org/apache/cassandra/config/CFMetaData.java | 2 +-
2 files changed, 11 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/cassandra/blob/d7bf566a/NEWS.txt
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diff --git a/NEWS.txt b/NEWS.txt
index fc257f4..1f76277 100644
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -13,6 +13,16 @@ restore snapshots created with the previous major version using the
'sstableloader' tool. You can upgrade the file format of your snapshots
using the provided 'sstableupgrade' tool.
+
+2.0.2
+=====
+
+New features
+------------
+ - Speculative retry defaults to 99th percentile
+ (See blog post at TODO)
+
+
2.0.1
=====
http://git-wip-us.apache.org/repos/asf/cassandra/blob/d7bf566a/src/java/org/apache/cassandra/config/CFMetaData.java
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diff --git a/src/java/org/apache/cassandra/config/CFMetaData.java b/src/java/org/apache/cassandra/config/CFMetaData.java
index 51865c2..8c4075c 100644
--- a/src/java/org/apache/cassandra/config/CFMetaData.java
+++ b/src/java/org/apache/cassandra/config/CFMetaData.java
@@ -83,7 +83,7 @@ public final class CFMetaData
public final static Class<? extends AbstractCompactionStrategy> DEFAULT_COMPACTION_STRATEGY_CLASS = SizeTieredCompactionStrategy.class;
public final static Caching DEFAULT_CACHING_STRATEGY = Caching.KEYS_ONLY;
public final static int DEFAULT_DEFAULT_TIME_TO_LIVE = 0;
- public final static SpeculativeRetry DEFAULT_SPECULATIVE_RETRY = new SpeculativeRetry(SpeculativeRetry.RetryType.NONE, 0);
+ public final static SpeculativeRetry DEFAULT_SPECULATIVE_RETRY = new SpeculativeRetry(SpeculativeRetry.RetryType.PERCENTILE, 0.99);
public final static int DEFAULT_INDEX_INTERVAL = 128;
public final static boolean DEFAULT_POPULATE_IO_CACHE_ON_FLUSH = false;