xCASx commented on a change in pull request #27230:
[SPARK-27868][CORE][FOLLOWUP] Recover the default value to -1 again
URL: https://github.com/apache/spark/pull/27230#discussion_r367807728
##########
File path: docs/configuration.md
##########
@@ -844,13 +844,14 @@ Apart from these, the following properties are also
available, and may be useful
</tr>
<tr>
<td><code>spark.shuffle.io.backLog</code></td>
- <td>64</td>
+ <td>-1</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).
+ application (see <code>spark.shuffle.service.enabled</code> option below).
If set below 1,
Review comment:
yes
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