deniskuzZ commented on a change in pull request #2647:
URL: https://github.com/apache/hive/pull/2647#discussion_r726937429
##########
File path:
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java
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@@ -368,33 +368,37 @@ public TxnHandler() {
public void setConf(Configuration conf){
this.conf = conf;
+ int maxPoolSize = MetastoreConf.getIntVar(conf,
ConfVars.CONNECTION_POOLING_MAX_CONNECTIONS);
+ long getConnectionTimeoutMs = 30000;
synchronized (TxnHandler.class) {
if (connPool == null) {
- Connection dbConn = null;
- // Set up the JDBC connection pool
- try {
- int maxPoolSize = MetastoreConf.getIntVar(conf,
ConfVars.CONNECTION_POOLING_MAX_CONNECTIONS);
- long getConnectionTimeoutMs = 30000;
- connPool = setupJdbcConnectionPool(conf, maxPoolSize,
getConnectionTimeoutMs);
- /*the mutex pools should ideally be somewhat larger since some
operations require 1
+ connPool = setupJdbcConnectionPool(conf, maxPoolSize,
getConnectionTimeoutMs);
Review comment:
I do not see any benefit of making the initialization eager. If db
connection couldn't be acquired we'll fail much sooner.
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