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From buyin...@apache.org
Subject asterixdb git commit: Add NCService documentation for compiler.parallelism.
Date Thu, 29 Dec 2016 20:37:36 GMT
Repository: asterixdb
Updated Branches:
  refs/heads/master 3793d4e6d -> 95079f252


Add NCService documentation for compiler.parallelism.

Change-Id: I00ffcc402238479d67f22a81e97081ea313d9f99
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1407
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
BAD: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/asterixdb/repo
Commit: http://git-wip-us.apache.org/repos/asf/asterixdb/commit/95079f25
Tree: http://git-wip-us.apache.org/repos/asf/asterixdb/tree/95079f25
Diff: http://git-wip-us.apache.org/repos/asf/asterixdb/diff/95079f25

Branch: refs/heads/master
Commit: 95079f2521f456a797d391555d2c3fa0f4738b96
Parents: 3793d4e
Author: Yingyi Bu <yingyi@couchbase.com>
Authored: Thu Dec 29 11:00:42 2016 -0800
Committer: Yingyi Bu <buyingyi@gmail.com>
Committed: Thu Dec 29 12:36:55 2016 -0800

----------------------------------------------------------------------
 asterixdb/asterix-doc/src/site/markdown/ncservice.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/asterixdb/blob/95079f25/asterixdb/asterix-doc/src/site/markdown/ncservice.md
----------------------------------------------------------------------
diff --git a/asterixdb/asterix-doc/src/site/markdown/ncservice.md b/asterixdb/asterix-doc/src/site/markdown/ncservice.md
index 6aac34c..bdcfab5 100644
--- a/asterixdb/asterix-doc/src/site/markdown/ncservice.md
+++ b/asterixdb/asterix-doc/src/site/markdown/ncservice.md
@@ -140,7 +140,7 @@ The following parameters for slave processes, under "[nc]" sections.
 | metadata.registration.timeout.secs | The time out threshold (in seconds) for metadata node
registration | 60 |
 | port | The port for the NCService that starts the slave process |  N/A |
 | storagedir | The directory for storage files  |  N/A |
-| storage.buffercache.maxopenfiles | The maximum number of open files for the buffer cache.
 Note that this is the parameter for the AsterixDB <br/> and setting the operating system
parameter is still required. | 2147483647 |
+| storage.buffercache.maxopenfiles | The maximum number of open files for the buffer cache.
 Note that this is the parameter for the AsterixDB and setting the operating system parameter
is still required. | 2147483647 |
 | storage.buffercache.pagesize |  The page size (in bytes) for the disk buffer cache (for
reads) | 131072 |
 | storage.buffercache.size | The overall budget (in bytes) of the disk buffer cache (for
reads) | 536870912 |
 | storage.lsm.bloomfilter.falsepositiverate | The false positive rate for the bloom filter
for each memory/disk components | 0.01 |
@@ -169,3 +169,4 @@ The following parameter is for both master and slave processes, under
the "[app]
 | compiler.groupmemory |  The memory budget (in bytes) for a group by operator instance in
a partition | 33554432 |
 | compiler.joinmemory | The memory budget (in bytes) for a join operator instance in a partition
 | 33554432 |
 | compiler.sortmemory | The memory budget (in bytes) for a sort operator instance in a partition
| 33554432 |
+| compiler.parallelism | The degree of parallelism for query execution. Zero means to use
the storage parallelism as the query execution parallelism, while other integer values dictate
the number of query execution parallel partitions. The system will fall back to use the number
of all available CPU cores in the cluster as the degree of parallelism if the number set by
a user is too large or too small.  | 0 |


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