stoty commented on code in PR #2027:
URL: https://github.com/apache/phoenix/pull/2027#discussion_r1847931382
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phoenix-core-client/src/main/java/org/apache/phoenix/jdbc/ConnectionInfo.java:
##########
@@ -59,6 +59,19 @@ public abstract class ConnectionInfo {
protected static final boolean HAS_MASTER_REGISTRY;
protected static final boolean HAS_RPC_REGISTRY;
+ private static volatile Configuration configuration;
Review Comment:
Also if we leave this alone, then volatile shouldn't be needed.
##########
phoenix-core-client/src/main/java/org/apache/phoenix/jdbc/ConnectionInfo.java:
##########
@@ -510,6 +516,30 @@ protected void handleKerberosAndLogin() throws
SQLException {
}
}
+ private Configuration getConfiguration( String principal, String
keytab) {
Review Comment:
We don't need a full HBaseConfiguration here.
We could return an (anonymous?) subclass where the getter(s) are overriden
to return these values for the principal and keytab, but delegate everything
else to cached instance.
We don't need a fully fledged implmentation, handling the methods that the
UGI actually calls is enough.
That would solve the slowness, while keeping the cached instance unchanged.
##########
phoenix-core-client/src/main/java/org/apache/phoenix/jdbc/ConnectionInfo.java:
##########
@@ -59,6 +59,19 @@ public abstract class ConnectionInfo {
protected static final boolean HAS_MASTER_REGISTRY;
protected static final boolean HAS_RPC_REGISTRY;
+ private static volatile Configuration configuration;
Review Comment:
This could be in the Builder.
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