This is an automated email from the ASF dual-hosted git repository.
markt-asf pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/main by this push:
new a60a945c7e Reduce CPU usage while sending WebSocket close message
a60a945c7e is described below
commit a60a945c7e1ee4cc8308ffa2d9c8750d6d878030
Author: Mark Thomas <[email protected]>
AuthorDate: Fri Aug 21 13:45:25 2026 +0100
Reduce CPU usage while sending WebSocket close message
---
.../org/apache/tomcat/websocket/server/WsRemoteEndpointImplServer.java | 2 +-
webapps/docs/changelog.xml | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git
a/java/org/apache/tomcat/websocket/server/WsRemoteEndpointImplServer.java
b/java/org/apache/tomcat/websocket/server/WsRemoteEndpointImplServer.java
index 1c12d654cc..867b7e386e 100644
--- a/java/org/apache/tomcat/websocket/server/WsRemoteEndpointImplServer.java
+++ b/java/org/apache/tomcat/websocket/server/WsRemoteEndpointImplServer.java
@@ -138,7 +138,7 @@ public class WsRemoteEndpointImplServer extends
WsRemoteEndpointImplBase {
socketWrapper.getLock().unlock();
}
// Provide opportunity for another thread to obtain the
socketWrapper lock
- Thread.yield();
+ Thread.sleep(50);
} finally {
// Re-obtain the per socket lock(s)
for (int i = 0; i < socketWrapperLockCount; i++) {
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 949bbb8a7b..68ee08b71b 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -494,6 +494,9 @@
Ensure that WebSocket write timeouts apply to the complete message and
are not lost if two writes have the same timeout. (markt)
</fix>
+ <fix>
+ Reduce CPU usage while sending WebSocket close message. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Web applications">
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