[DOCS] Clarification on HADOOP-15720 in impala_known_issues.xml
Change-Id: I724085ee63005cb2ce68a4532e6cf315d4799e7a
Reviewed-on: http://gerrit.cloudera.org:8080/14906
Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>
Reviewed-by: Robbie Zhang <rzhang@cloudera.com>
Reviewed-by: Joe McDonnell <joemcdonnell@cloudera.com>
diff --git a/docs/topics/impala_known_issues.xml b/docs/topics/impala_known_issues.xml
index 6b0331a..7ad7604 100644
--- a/docs/topics/impala_known_issues.xml
+++ b/docs/topics/impala_known_issues.xml
@@ -652,15 +652,15 @@
<title>Queries Stuck on Failed HDFS Calls and not Timing out</title>
<conbody>
-
- <p>
- If the following error appears multiple times in a short duration while running a
- query, it would mean that the connection between the <codeph>impalad</codeph> and the
- HDFS NameNode is in a bad state and hence the <codeph>impalad</codeph> would have to
- be restarted:
- </p>
+ <p> In Impala 3.2 and higher, if the following error appears multiple
+ times in a short duration while running a query, it would mean that
+ the connection between the <codeph>impalad</codeph> and the HDFS
+ NameNode is in a bad state and hence the <codeph>impalad</codeph>
+ would have to be restarted: </p>
<codeblock>"hdfsOpenFile() for <filename> at backend <hostname:port> failed to finish before the <hdfs_operation_timeout_sec> second timeout " </codeblock>
+ <p>In Impala 3.1 and lower, the same issue would cause Impala to wait for
+ a long time or hang without showing the above error message.</p>
<p>
<b>Apache Issue:</b>