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https://issues.apache.org/jira/browse/FLINK-35524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-35524:
-----------------------------------
Labels: pull-request-available (was: )
> Clear connections pools when reader exist.
> ------------------------------------------
>
> Key: FLINK-35524
> URL: https://issues.apache.org/jira/browse/FLINK-35524
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Affects Versions: cdc-3.1.1
> Reporter: Hongshun Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: cdc-3.2.0
>
>
> Current, inJdbcConnectionPools is static instance, so the datasource pools in
> it won't be recycle when reader close. It will cause memory leak.
> ```java
> public class JdbcConnectionPools implements ConnectionPools<HikariDataSource,
> JdbcSourceConfig> {
> private static final Logger LOG =
> LoggerFactory.getLogger(JdbcConnectionPools.class);
> private static JdbcConnectionPools instance;
> private final Map<ConnectionPoolId, HikariDataSource> pools = new HashMap<>();
> private static final Map<String, JdbcConnectionPoolFactory> POOL_FACTORY_MAP
> = new HashMap<>();
> ```
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