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HBASE-23651 Region balance throttling can be disabled (#991) 

Signed-off-by: Viraj Jasani <vjasani@apache.org>
Signed-off-by: Anoop Sam John <anoopsamjohn@apache.org>
This commit is contained in:
binlijin 2020-01-08 19:01:22 +08:00
parent 4f7de9e27e
commit e242d84b97
1 changed files with 9 additions and 8 deletions
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13
hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
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@ -1661,12 +1661,10 @@ public class HMaster extends HRegionServer implements MasterServices {
* @return Maximum time we should run balancer for * @return Maximum time we should run balancer for
*/ */
private int getMaxBalancingTime() { private int getMaxBalancingTime() {
int maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_MAX_BALANCING, -1);
if (maxBalancingTime == -1) {
// if max balancing time isn't set, defaulting it to period time // if max balancing time isn't set, defaulting it to period time
maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_PERIOD, int maxBalancingTime = getConfiguration().getInt(HConstants.HBASE_BALANCER_MAX_BALANCING,
HConstants.DEFAULT_HBASE_BALANCER_PERIOD); getConfiguration()
} .getInt(HConstants.HBASE_BALANCER_PERIOD, HConstants.DEFAULT_HBASE_BALANCER_PERIOD));
return maxBalancingTime; return maxBalancingTime;
} }
@ -1833,11 +1831,14 @@ public class HMaster extends HRegionServer implements MasterServices {
//rpCount records balance plans processed, does not care if a plan succeeds //rpCount records balance plans processed, does not care if a plan succeeds
rpCount++; rpCount++;
if (this.maxBlancingTime > 0) {
balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition, balanceThrottling(balanceStartTime + rpCount * balanceInterval, maxRegionsInTransition,
cutoffTime); cutoffTime);
}
// if performing next balance exceeds cutoff time, exit the loop // if performing next balance exceeds cutoff time, exit the loop
if (rpCount < plans.size() && System.currentTimeMillis() > cutoffTime) { if (this.maxBlancingTime > 0 && rpCount < plans.size()
&& System.currentTimeMillis() > cutoffTime) {
// TODO: After balance, there should not be a cutoff time (keeping it as // TODO: After balance, there should not be a cutoff time (keeping it as
// a security net for now) // a security net for now)
LOG.debug("No more balancing till next balance run; maxBalanceTime=" LOG.debug("No more balancing till next balance run; maxBalanceTime="