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The following commit(s) were added to refs/heads/master by this push:
new 10ba034c1f6 [fix](jdbc catalog) Fixed FE memory leak by enabling weak
references in HikariCP (#40773)
10ba034c1f6 is described below
commit 10ba034c1f635fd06107f01861a414ab02445473
Author: zy-kkk <[email protected]>
AuthorDate: Fri Sep 13 20:18:30 2024 +0800
[fix](jdbc catalog) Fixed FE memory leak by enabling weak references in
HikariCP (#40773)
When FE collects statistics, its ThreadLocal will hold the ThreadLocal
of HikariCP in JdbcClient, making it difficult for HikariCP to be gc, so
this problem can be alleviated by enabling weak references of HikariCP.
---
.../main/java/org/apache/doris/datasource/jdbc/client/JdbcClient.java | 1 +
1 file changed, 1 insertion(+)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcClient.java
b/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcClient.java
index cd64efcd80f..155afea1217 100644
---
a/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcClient.java
+++
b/fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcClient.java
@@ -98,6 +98,7 @@ public abstract class JdbcClient {
}
protected JdbcClient(JdbcClientConfig jdbcClientConfig) {
+ System.setProperty("com.zaxxer.hikari.useWeakReferences", "true");
this.catalogName = jdbcClientConfig.getCatalog();
this.jdbcUser = jdbcClientConfig.getUser();
this.isOnlySpecifiedDatabase =
Boolean.parseBoolean(jdbcClientConfig.getOnlySpecifiedDatabase());
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