[jboss-jira] [JBoss JIRA] Commented: (JGRP-1216) S3_PING / FILE_PING: remove failed members
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https://jira.jboss.org/browse/JGRP-1216?page=com.atlassian.jira.plugin.sy...
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Bela Ban commented on JGRP-1216:
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- New property 'interval' writes our own data to S3 periodically (if enabled, 0
disables it)
- On a view, we remove all data in the S3 bucket which is not in the view
- If we have a network partition {A,B} and {C,D}, then everybody erases everbody
else's data, but the writer task will write everybody's data to S3 again, so a
later merge can occur
S3_PING / FILE_PING: remove failed members
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Key: JGRP-1216
URL: https://jira.jboss.org/browse/JGRP-1216
Project: JGroups
Issue Type: Feature Request
Reporter: Bela Ban
Assignee: Bela Ban
Fix For: 2.10
When we terminate a member (EC2's "terminate" function) or kill -9 it, then
the file (or bucket data in S3) won't get removed. This leads to stale data. On EC2, I
expect that virtualized instances are often simply terminated, so this problem is
compounded there.
SOLUTION:
- Periodically write own data to the file system (FILE_PING) or S3 (S3_PING)
- On a view change: remove all data that's not in the current view
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