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https://issues.apache.org/jira/browse/HDDS-8715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai updated HDDS-8715:
-----------------------------------
Target Version/s: 1.4.0, 1.3.1 (was: 1.4.0)
> Hadoop RPC server creation renames current thread
> -------------------------------------------------
>
> Key: HDDS-8715
> URL: https://issues.apache.org/jira/browse/HDDS-8715
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Attila Doroszlai
> Assignee: Attila Doroszlai
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
>
> HDFS-13566 added code in IPC {{Listener}} to rename the current thread:
> {code:title=https://github.com/apache/hadoop/blob/c2385c021bafc521ca6c8c8037351192a97c126c/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java#L1276-L1288}
> Listener(int port) throws IOException {
> address = new InetSocketAddress(bindAddress, port);
> // Create a new server socket and set to non blocking mode
> acceptChannel = ServerSocketChannel.open();
> acceptChannel.configureBlocking(false);
> acceptChannel.setOption(StandardSocketOptions.SO_REUSEADDR, reuseAddr);
> // Bind the server socket to the local host and port
> bind(acceptChannel.socket(), address, backlogLength, conf,
> portRangeConfig);
> //Could be an ephemeral port
> this.listenPort = acceptChannel.socket().getLocalPort();
> Thread.currentThread().setName("Listener at " +
> bindAddress + "/" + this.listenPort);
> {code}
> {{Listener}} is a {{Thread}} object, being created in an another thread. The
> result is that the other thread (usually the {{main}} thread) is renamed to
> {{Listener at ...}}.
> This has been fixed by HADOOP-18433, but only for Hadoop 3.4.0. Currently
> being backported to 3.3 line.
> The goal of this task is to work around this bug in Ozone until we can
> upgrade to a Hadoop release with the fix.
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