Chen Liang created HDFS-11939:
---------------------------------
Summary: Ozone : add read/write random access to Chunks of a key
Key: HDFS-11939
URL: https://issues.apache.org/jira/browse/HDFS-11939
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Chen Liang
Assignee: Chen Liang
In Ozone, the value of a key is a sequence of container chunks. Currently, the
only way to read/write the chunks is by using ChunkInputStream and
ChunkOutputStream. However, by the nature of streams, these classes are
currently implemented to only allow sequential read/write.
Ideally we would like to support random access of the chunks. For example, we
want to be able to seek to a specific offset and read/write some data. This
will be critical for key range read/write feature, and potentially important
for supporting parallel read/write.
This JIRA tracks adding support by implementing FileChannel class on top Chunks.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
---------------------------------------------------------------------
To unsubscribe, e-mail: hdfs-dev-unsubscr...@hadoop.apache.org
For additional commands, e-mail: hdfs-dev-h...@hadoop.apache.org
