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Posted to commits@hbase.apache.org by re...@apache.org on 2019/08/05 06:51:06 UTC
[hbase] branch master updated: HBASE-22609 [Docs] More detail
documentation about 'hbase.server.thread.wakefrequency'
This is an automated email from the ASF dual-hosted git repository.
reidchan pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/hbase.git
The following commit(s) were added to refs/heads/master by this push:
new a62fdcc HBASE-22609 [Docs] More detail documentation about 'hbase.server.thread.wakefrequency'
a62fdcc is described below
commit a62fdccd3b66ff2740d1a034a84f52796baf4b8b
Author: Reid Chan <re...@apache.org>
AuthorDate: Mon Aug 5 14:51:00 2019 +0800
HBASE-22609 [Docs] More detail documentation about 'hbase.server.thread.wakefrequency'
Signed-off-by: stack <st...@apache.org>
---
hbase-common/src/main/resources/hbase-default.xml | 26 +++++++++++++++++++----
1 file changed, 22 insertions(+), 4 deletions(-)
diff --git a/hbase-common/src/main/resources/hbase-default.xml b/hbase-common/src/main/resources/hbase-default.xml
index d9f5854..877cd74 100644
--- a/hbase-common/src/main/resources/hbase-default.xml
+++ b/hbase-common/src/main/resources/hbase-default.xml
@@ -606,8 +606,7 @@ possible configurations would overwhelm and obscure the important.
Then the cluster's availability is at least 99% when balancing.</description>
</property>
<property>
- <name>hbase.balancer.period
- </name>
+ <name>hbase.balancer.period</name>
<value>300000</value>
<description>Period at which the region balancer runs in the Master.</description>
</property>
@@ -631,8 +630,27 @@ possible configurations would overwhelm and obscure the important.
<property>
<name>hbase.server.thread.wakefrequency</name>
<value>10000</value>
- <description>Time to sleep in between searches for work (in milliseconds).
- Used as sleep interval by service threads such as log roller.</description>
+ <description>In master side, this config is the period used for FS related behaviors:
+ checking if hdfs is out of safe mode, setting or checking hbase.version file,
+ setting or checking hbase.id file. Using default value should be fine.
+ In regionserver side, this config is used in several places: flushing check interval,
+ compaction check interval, wal rolling check interval. Specially, admin can tune
+ flushing and compaction check interval by hbase.regionserver.flush.check.period
+ and hbase.regionserver.compaction.check.period. (in milliseconds)</description>
+ </property>
+ <property>
+ <name>hbase.regionserver.flush.check.period</name>
+ <value>${hbase.server.thread.wakefrequency}</value>
+ <description>It determines the flushing check period of PeriodicFlusher in regionserver.
+ If unset, it uses hbase.server.thread.wakefrequency as default value.
+ (in milliseconds)</description>
+ </property>
+ <property>
+ <name>hbase.regionserver.compaction.check.period</name>
+ <value>${hbase.server.thread.wakefrequency}</value>
+ <description>It determines the compaction check period of CompactionChecker in regionserver.
+ If unset, it uses hbase.server.thread.wakefrequency as default value.
+ (in milliseconds)</description>
</property>
<property>
<name>hbase.server.versionfile.writeattempts</name>