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/1.6.1-SNAPSHOT Commit: 641d42cd1d65cb070d3c8bd26f95e8b3855847e8 Parents: 10950b5 Author: Josh Elser <els...@apache.org> Authored: Thu Jul 24 22:40:23 2014 -0400 Committer: Josh Elser <els...@apache.org> Committed: Thu Jul 24 22:40:23 2014 -0400 ---------------------------------------------------------------------- core/src/main/java/org/apache/accumulo/core/conf/Property.java | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/accumulo/blob/641d42cd/core/src/main/java/org/apache/accumulo/core/conf/Property.java ---------------------------------------------------------------------- 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 "