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Posted to hdfs-dev@hadoop.apache.org by "Nanda kumar (JIRA)" <ji...@apache.org> on 2018/01/02 20:59:00 UTC
[jira] [Created] (HDFS-12980) Ozone: SCM: Restructuring container
state transition and events
Nanda kumar created HDFS-12980:
----------------------------------
Summary: Ozone: SCM: Restructuring container state transition and events
Key: HDFS-12980
URL: https://issues.apache.org/jira/browse/HDFS-12980
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Reporter: Nanda kumar
Assignee: Nanda kumar
Existing state transition of containers
{noformat}
ALLOCATED --------------> CREATING ------------------> OPEN -----------------> PENDING_CLOSE ----------> CLOSED
(BEGIN_CREATE) | (COMPLETE_CREATE) | (FULL_CONTAINER) (CLOSE)
| |
| |
| (TIMEOUT) | (DELETE)
| |
+---------> DELETING <------+
|
|
| (CLEANUP)
|
DELETED
{noformat}
We don't have support for deleting a CLOSED container in this.
*Proposal*
{noformat}
[ALLOCATED]------->[CREATING]--------->[OPEN]---------->[CLOSING]------->[CLOSED]
(CREATE) | (CREATED) (FINALIZE) (CLOSE) |
| |
| |
|(TIMEOUT) (DELETE)|
| |
+------------------> [DELETING] <-------------------+
|
|
(CLEANUP)|
|
[DELETED]
{noformat}
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