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HBASE-22559 [RPC] set guard against CALL_QUEUE_HANDLER_FACTOR_CONF_KEY 

Signed-off-by: Andrew Purtell <apurtell@apache.org>
This commit is contained in:
Reid Chan 2019-06-14 11:35:34 +08:00
parent d3fba8c0c5
commit e2d891172a
1 changed files with 14 additions and 0 deletions
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14
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcExecutor.java
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@ -116,6 +116,20 @@ public abstract class RpcExecutor {
this.abortable = abortable;
float callQueuesHandlersFactor = this.conf.getFloat(CALL_QUEUE_HANDLER_FACTOR_CONF_KEY, 0.1f);
if (Float.compare(callQueuesHandlersFactor, 1.0f) > 0 ||
Float.compare(0.0f, callQueuesHandlersFactor) > 0) {
LOG.warn(CALL_QUEUE_HANDLER_FACTOR_CONF_KEY +
" is *ILLEGAL*, it should be in range [0.0, 1.0]");
// For callQueuesHandlersFactor > 1.0, we just set it 1.0f.
if (Float.compare(callQueuesHandlersFactor, 1.0f) > 0) {
LOG.warn("Set " + CALL_QUEUE_HANDLER_FACTOR_CONF_KEY + " 1.0f");
callQueuesHandlersFactor = 1.0f;
} else {
// But for callQueuesHandlersFactor < 0.0, following method #computeNumCallQueues
// will compute max(1, -x) => 1 which has same effect of default value.
LOG.warn("Set " + CALL_QUEUE_HANDLER_FACTOR_CONF_KEY + " default value 0.0f");
}
}
this.numCallQueues = computeNumCallQueues(handlerCount, callQueuesHandlersFactor);
this.queues = new ArrayList<>(this.numCallQueues);