adoroszlai commented on a change in pull request #2498:
URL: https://github.com/apache/ozone/pull/2498#discussion_r710396341
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/replication/ReplicationServer.java
##########
@@ -57,22 +67,52 @@
private int port;
+ private int poolSize;
+
+ private int queueLimit;
+
+ private ThreadPoolExecutor executor;
+
+ private EventLoopGroup eventLoopGroup;
+
public ReplicationServer(
ContainerController controller,
ReplicationConfig replicationConfig,
- SecurityConfig secConf,
- CertificateClient caClient
- ) {
+ SecurityConfig secConf, DatanodeConfiguration dnConfig,
+ CertificateClient caClient) {
this.secConf = secConf;
this.caClient = caClient;
this.controller = controller;
this.port = replicationConfig.getPort();
+ this.poolSize = dnConfig.getReplicationMaxStreams();
+ this.queueLimit = dnConfig.getReplicationQueueLimit();
init();
}
public void init() {
+ executor = new ThreadPoolExecutor(
+ poolSize, poolSize, 60, TimeUnit.SECONDS,
+ new LinkedBlockingQueue<>(queueLimit),
+ new ThreadFactoryBuilder().setDaemon(true)
+ .setNameFormat("ReplicationServerExecutor-%d")
+ .build());
+
+ Class channelType;
Review comment:
Nit:
```suggestion
Class<? extends ServerChannel> channelType;
```
(+ import)
##########
File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/replication/ReplicationServer.java
##########
@@ -57,22 +67,52 @@
private int port;
+ private int poolSize;
+
+ private int queueLimit;
+
+ private ThreadPoolExecutor executor;
+
+ private EventLoopGroup eventLoopGroup;
+
public ReplicationServer(
ContainerController controller,
ReplicationConfig replicationConfig,
- SecurityConfig secConf,
- CertificateClient caClient
- ) {
+ SecurityConfig secConf, DatanodeConfiguration dnConfig,
+ CertificateClient caClient) {
this.secConf = secConf;
this.caClient = caClient;
this.controller = controller;
this.port = replicationConfig.getPort();
+ this.poolSize = dnConfig.getReplicationMaxStreams();
+ this.queueLimit = dnConfig.getReplicationQueueLimit();
init();
}
public void init() {
+ executor = new ThreadPoolExecutor(
+ poolSize, poolSize, 60, TimeUnit.SECONDS,
+ new LinkedBlockingQueue<>(queueLimit),
+ new ThreadFactoryBuilder().setDaemon(true)
+ .setNameFormat("ReplicationServerExecutor-%d")
+ .build());
+
+ Class channelType;
+
+ if (Epoll.isAvailable()) {
+ eventLoopGroup = new EpollEventLoopGroup(poolSize * 2);
+ channelType = EpollServerDomainSocketChannel.class;
+ } else {
+ eventLoopGroup = new NioEventLoopGroup(poolSize * 2);
+ channelType = NioServerSocketChannel.class;
+ }
+
NettyServerBuilder nettyServerBuilder = NettyServerBuilder.forPort(port)
.maxInboundMessageSize(OzoneConsts.OZONE_SCM_CHUNK_MAX_SIZE)
+ .workerEventLoopGroup(eventLoopGroup)
+ .bossEventLoopGroup(eventLoopGroup)
+ .channelType(channelType)
Review comment:
Can you please explain why setting channel type and event loop group are
needed? Based on `NettyServerBuilder#channelType` javadoc this is the same as
the default behavior:
```
Specifies the channel type to use, by default we use {@code
EpollServerSocketChannel} if
available, otherwise using {@link NioServerSocketChannel}.
```
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