Github user mikewalch commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/235#discussion_r107690518
--- Diff: core/src/main/java/org/apache/accumulo/core/conf/Property.java ---
@@ -253,13 +252,13 @@
+ " 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 "
+ "size is ok because of group commit."),
- TSERV_TOTAL_MUTATION_QUEUE_MAX("tserver.total.mutation.queue.max",
"50M", PropertyType.MEMORY,
+ TSERV_TOTAL_MUTATION_QUEUE_MAX("tserver.total.mutation.queue.max", "5%",
PropertyType.MEMORY,
"The amount of memory used to store write-ahead-log mutations before
flushing them."),
TSERV_TABLET_SPLIT_FINDMIDPOINT_MAXOPEN("tserver.tablet.split.midpoint.files.max",
"300", PropertyType.COUNT,
"To find a tablets split points, all index files are opened. This
setting determines how many index "
+ "files can be opened at once. When there are more index files
than this setting multiple passes "
+ "must be made, which is slower. However opening too many files
at once can cause problems."),
- TSERV_WALOG_MAX_SIZE("tserver.walog.max.size", "1G", PropertyType.MEMORY,
+ TSERV_WALOG_MAX_SIZE("tserver.walog.max.size", "33%",
PropertyType.MEMORY,
--- End diff --
Ok. I will change.
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