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Posted to commits@accumulo.apache.org by el...@apache.org on 2014/07/25 04:41:31 UTC
[3/6] git commit: ACCUMULO-3018 Increase default
tserver.mutation.queue.max from 256K to 1M
ACCUMULO-3018 Increase default tserver.mutation.queue.max from 256K to 1M
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo
Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/641d42cd
Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/641d42cd
Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/641d42cd
Branch: refs/heads/master
Commit: 641d42cd1d65cb070d3c8bd26f95e8b3855847e8
Parents: 10950b5
Author: Josh Elser <el...@apache.org>
Authored: Thu Jul 24 22:40:23 2014 -0400
Committer: Josh Elser <el...@apache.org>
Committed: Thu Jul 24 22:40:23 2014 -0400
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core/src/main/java/org/apache/accumulo/core/conf/Property.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/accumulo/blob/641d42cd/core/src/main/java/org/apache/accumulo/core/conf/Property.java
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diff --git a/core/src/main/java/org/apache/accumulo/core/conf/Property.java b/core/src/main/java/org/apache/accumulo/core/conf/Property.java
index 7f48184..86f116b 100644
--- a/core/src/main/java/org/apache/accumulo/core/conf/Property.java
+++ b/core/src/main/java/org/apache/accumulo/core/conf/Property.java
@@ -123,7 +123,7 @@ public enum Property {
TSERV_INDEXCACHE_SIZE("tserver.cache.index.size", "512M", PropertyType.MEMORY, "Specifies the size of the cache for file indices."),
TSERV_PORTSEARCH("tserver.port.search", "false", PropertyType.BOOLEAN, "if the ports above are in use, search higher ports until one is available"),
TSERV_CLIENTPORT("tserver.port.client", "9997", PropertyType.PORT, "The port used for handling client connections on the tablet servers"),
- TSERV_MUTATION_QUEUE_MAX("tserver.mutation.queue.max", "256K", PropertyType.MEMORY,
+ TSERV_MUTATION_QUEUE_MAX("tserver.mutation.queue.max", "1M", PropertyType.MEMORY,
"The amount of memory to use to store write-ahead-log mutations-per-session before flushing them. Since the buffer is per write session, consider the"
+ " max number of concurrent writer when configuring. When using Hadoop 2, Accumulo will call hsync() on the WAL . For a small number of "
+ "concurrent writers, increasing this buffer size decreases the frequncy of hsync calls. For a large number of concurrent writers a small buffers "