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Posted to commits@spark.apache.org by do...@apache.org on 2020/01/16 04:30:04 UTC

[spark] branch branch-2.4 updated: Revert "[SPARK-27868][CORE] Better default value and documentation for socket server backlog."

This is an automated email from the ASF dual-hosted git repository.

dongjoon pushed a commit to branch branch-2.4
in repository https://gitbox.apache.org/repos/asf/spark.git


The following commit(s) were added to refs/heads/branch-2.4 by this push:
     new 94b5d3fd Revert "[SPARK-27868][CORE] Better default value and documentation for socket server backlog."
94b5d3fd is described below

commit 94b5d3fd64ea5498b19f9ea7aacb484a18496018
Author: Dongjoon Hyun <dh...@apple.com>
AuthorDate: Wed Jan 15 20:27:18 2020 -0800

    Revert "[SPARK-27868][CORE] Better default value and documentation for socket server backlog."
    
    This reverts commit 84bd8085c74b5292cdccaa287023e39703062b07.
---
 .../apache/spark/network/server/TransportServer.java |  2 --
 .../org/apache/spark/network/util/TransportConf.java |  4 ++--
 docs/configuration.md                                | 20 --------------------
 3 files changed, 2 insertions(+), 24 deletions(-)

diff --git a/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java b/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java
index 71ea787..9c85ab2 100644
--- a/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java
+++ b/common/network-common/src/main/java/org/apache/spark/network/server/TransportServer.java
@@ -123,8 +123,6 @@ public class TransportServer implements Closeable {
     bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
       @Override
       protected void initChannel(SocketChannel ch) {
-        logger.debug("New connection accepted for remote address {}.", ch.remoteAddress());
-
         RpcHandler rpcHandler = appRpcHandler;
         for (TransportServerBootstrap bootstrap : bootstraps) {
           rpcHandler = bootstrap.doBootstrap(ch, rpcHandler);
diff --git a/common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java b/common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java
index 4b20583..34e4bb5 100644
--- a/common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java
+++ b/common/network-common/src/main/java/org/apache/spark/network/util/TransportConf.java
@@ -105,8 +105,8 @@ public class TransportConf {
     return conf.getInt(SPARK_NETWORK_IO_NUMCONNECTIONSPERPEER_KEY, 1);
   }
 
-  /** Requested maximum length of the queue of incoming connections. Default is 64. */
-  public int backLog() { return conf.getInt(SPARK_NETWORK_IO_BACKLOG_KEY, 64); }
+  /** Requested maximum length of the queue of incoming connections. Default -1 for no backlog. */
+  public int backLog() { return conf.getInt(SPARK_NETWORK_IO_BACKLOG_KEY, -1); }
 
   /** Number of threads used in the server thread pool. Default to 0, which is 2x#cores. */
   public int serverThreads() { return conf.getInt(SPARK_NETWORK_IO_SERVERTHREADS_KEY, 0); }
diff --git a/docs/configuration.md b/docs/configuration.md
index 4db0ea6..b736d0c 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -659,17 +659,6 @@ Apart from these, the following properties are also available, and may be useful
   </td>
 </tr>
 <tr>
-  <td><code>spark.shuffle.io.backLog</code></td>
-  <td>64</td>
-  <td>
-    Length of the accept queue for the shuffle service. For large applications, this value may
-    need to be increased, so that incoming connections are not dropped if the service cannot keep
-    up with a large number of connections arriving in a short period of time. This needs to
-    be configured wherever the shuffle service itself is running, which may be outside of the
-    application (see <code>spark.shuffle.service.enabled</code> option below).
-  </td>
-</tr>
-<tr>
   <td><code>spark.shuffle.service.enabled</code></td>
   <td>false</td>
   <td>
@@ -1480,15 +1469,6 @@ Apart from these, the following properties are also available, and may be useful
   </td>
 </tr>
 <tr>
-  <td><code>spark.rpc.io.backLog</code></td>
-  <td>64</td>
-  <td>
-    Length of the accept queue for the RPC server. For large applications, this value may
-    need to be increased, so that incoming connections are not dropped when a large number of
-    connections arrives in a short period of time.
-  </td>
-</tr>
-<tr>
   <td><code>spark.network.timeout</code></td>
   <td>120s</td>
   <td>


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