ACCUMULO-2787 Tune max open file recommendation Make the max files recommendation configurable to account for various cluster sizes. Reduce the default from 64k to 32k because we shouldn't need to compensate for running datanodes as the same user.
Project: http://git-wip-us.apache.org/repos/asf/accumulo/repo Commit: http://git-wip-us.apache.org/repos/asf/accumulo/commit/0356387b Tree: http://git-wip-us.apache.org/repos/asf/accumulo/tree/0356387b Diff: http://git-wip-us.apache.org/repos/asf/accumulo/diff/0356387b Branch: refs/heads/ACCUMULO-378 Commit: 0356387baba93b5b372b2733ce24ca52938260e4 Parents: 1a33f6d Author: Mike Drob <md...@cloudera.com> Authored: Mon Jun 9 18:34:31 2014 -0400 Committer: Mike Drob <md...@cloudera.com> Committed: Tue Jun 10 11:30:55 2014 -0400 ---------------------------------------------------------------------- bin/start-server.sh | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/accumulo/blob/0356387b/bin/start-server.sh ---------------------------------------------------------------------- diff --git a/bin/start-server.sh b/bin/start-server.sh index 08c5126..62ad91d 100755 --- a/bin/start-server.sh +++ b/bin/start-server.sh @@ -76,8 +76,10 @@ if [ -z "$PID" ]; then fi if [ -n "$MAX_FILES_OPEN" ] && [ -n "$SLAVES" ] ; then - if [ "$SLAVES" -gt 10 ] && [ "$MAX_FILES_OPEN" -lt 65536 ]; then - echo "WARN : Max files open on $HOST is $MAX_FILES_OPEN, recommend 65536" + MAX_FILES_RECOMMENDED=${MAX_FILES_RECOMMENDED:-32768} + if (( SLAVES > 10 )) && (( MAX_FILES_OPEN < MAX_FILES_RECOMMENDED )) + then + echo "WARN : Max open files on $HOST is $MAX_FILES_OPEN, recommend $MAX_FILES_RECOMMENDED" >&2 fi fi else
