dbwong commented on a change in pull request #771:
URL: https://github.com/apache/phoenix/pull/771#discussion_r416093640
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/query/ConnectionQueryServicesImpl.java
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@@ -4957,12 +4964,22 @@ private void
returnAllSequences(ConcurrentMap<SequenceKey,Sequence> sequenceMap)
public void addConnection(PhoenixConnection connection) throws
SQLException {
if (returnSequenceValues || shouldThrottleNumConnections) {
synchronized (connectionCountLock) {
- if (shouldThrottleNumConnections && connectionCount + 1 >
maxConnectionsAllowed){
- GLOBAL_PHOENIX_CONNECTIONS_THROTTLED_COUNTER.increment();
- throw new
SQLExceptionInfo.Builder(SQLExceptionCode.NEW_CONNECTION_THROTTLED).
- build().buildException();
+
+ if(shouldThrottleNumConnections) {
+ int futureConnections = 1 + (
connection.isInternalConnection() ? internalConnectionCount : connectionCount);
+ int allowedConnections = connection.isInternalConnection()
? maxInternalConnectionsAllowed : maxConnectionsAllowed;
+ if(allowedConnections != 0 && futureConnections >
allowedConnections) {
+
GLOBAL_PHOENIX_CONNECTIONS_THROTTLED_COUNTER.increment();
+ throw new
SQLExceptionInfo.Builder(SQLExceptionCode.NEW_CONNECTION_THROTTLED).
Review comment:
We could but I'm not sure there is much benefit end client can't really
act differently. Is logging sufficient?
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