Joe McDonnell has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/18191 )

Change subject: IMPALA-9433: Improved caching of HdfsFileHandles
......................................................................


Patch Set 21:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/18191/21/be/src/runtime/io/handle-cache.inline.h
File be/src/runtime/io/handle-cache.inline.h:

http://gerrit.cloudera.org:8080/#/c/18191/21/be/src/runtime/io/handle-cache.inline.h@167
PS21, Line 167:   // Opening a file handle requires talking to the NameNode so 
it can take some time.
              :   RETURN_IF_ERROR(accessor_tmp.Get()->Init(hdfs_monitor_));
> Let me double-check my understanding of the threading here:
Another question: How does this work if this call fails? Does the entry get 
removed from the cache?



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I6b5c5e9e2b5db2847ab88c41f667c9ca1b03d51a
Gerrit-Change-Number: 18191
Gerrit-PatchSet: 21
Gerrit-Owner: Gergely Fürnstáhl <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Gergely Fürnstáhl <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>
Gerrit-Comment-Date: Tue, 22 Feb 2022 18:47:22 +0000
Gerrit-HasComments: Yes

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