You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Imran Rashid (JIRA)" <ji...@apache.org> on 2018/10/31 21:09:00 UTC

[jira] [Created] (SPARK-25905) BlockManager should expose getRemoteManagedBuffer to avoid creating bytebuffers

Imran Rashid created SPARK-25905:
------------------------------------

             Summary: BlockManager should expose getRemoteManagedBuffer to avoid creating bytebuffers
                 Key: SPARK-25905
                 URL: https://issues.apache.org/jira/browse/SPARK-25905
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.4.0
            Reporter: Imran Rashid


The block manager currently only lets you get a handle on remote data as a {{ChunkedByteBuffer}}.  But with remote reads of cached data, you really only need an input stream view of the data, which is already available with the {{ManagedBuffer}} which is fetched.  By forcing conversion to a {{ChunkedByteBuffer}}, we end up using more memory than necessary.



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org