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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2013/06/28 03:36:20 UTC
[jira] [Created] (BOOKKEEPER-638) Two bookies could start at the
same time to access bookie data.
Sijie Guo created BOOKKEEPER-638:
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Summary: Two bookies could start at the same time to access bookie data.
Key: BOOKKEEPER-638
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-638
Project: Bookkeeper
Issue Type: Bug
Components: bookkeeper-server
Affects Versions: 4.3.0
Reporter: Sijie Guo
Priority: Blocker
Fix For: 4.3.0
this issue is introduced in providing netty server for bookie.
in BOOKKEEPER-294, we agreed on the start sequence of bookie:
1) bind bookie port first (to avoid two processes running at the same host).
2) start bookie (e.g initialize bookie storage and replaying journals)
3) start nio server to accept incoming requests.
but after refactoring for netty server, step 1) is combined to be executed in step 3), so two processes could have chance to run at the same time replaying journals. this is pretty bad.
we need to change the code to stick on the sequence described above.
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