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[fix](jdbc catalog) Fix Memory Leak by Enabling Weak References in HikariCP #39582

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merged 1 commit into from
Aug 23, 2024
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[fix](jdbc catalog) Fix Memory Leak by Enabling Weak References in HikariCP #39582

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3 changes: 2 additions & 1 deletion fe/be-java-extensions/jdbc-scanner/src/main/java/org/apache/doris/jdbc/BaseJdbcExecutor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,7 @@ public BaseJdbcExecutor(byte[] thriftParams) throws Exception {
.setConnectionPoolMaxLifeTime(request.connection_pool_max_life_time)
.setConnectionPoolKeepAlive(request.connection_pool_keep_alive);
JdbcDataSource.getDataSource().setCleanupInterval(request.connection_pool_cache_clear_time);
System.setProperty("com.zaxxer.hikari.useWeakReferences", "true");
init(config, request.statement);
this.jdbcDriverVersion = getJdbcDriverVersion();
}
Expand Down Expand Up @@ -309,7 +310,7 @@ private void init(JdbcDataSourceConfig config, String sql) throws JdbcExecutorEx
ds.setKeepaliveTime(config.getConnectionPoolMaxLifeTime() / 5L); // default 6 min
}
hikariDataSource = ds;
JdbcDataSource.getDataSource().putSource(hikariDataSourceKey, ds);
JdbcDataSource.getDataSource().putSource(hikariDataSourceKey, hikariDataSource);
LOG.info("JdbcClient set"
+ " ConnectionPoolMinSize = " + config.getConnectionPoolMinSize()
+ ", ConnectionPoolMaxSize = " + config.getConnectionPoolMaxSize()
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6 changes: 4 additions & 2 deletions fe/be-java-extensions/jdbc-scanner/src/main/java/org/apache/doris/jdbc/JdbcDataSource.java
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Expand Up @@ -59,8 +59,10 @@ public Map<String, HikariDataSource> getSourcesMap() {
}

public void setCleanupInterval(long interval) {
this.cleanupInterval = interval * 1000L;
restartCleanupTask();
if (this.cleanupInterval != interval * 1000L) {
this.cleanupInterval = interval * 1000L;
restartCleanupTask();
}
}

private synchronized void restartCleanupTask() {
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