UIDNEXT generation is a big performance killer and should get reworked
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Key: IMAP-193
URL: https://issues.apache.org/jira/browse/IMAP-193
Project: JAMES Imap
Issue Type: Improvement
Reporter: Norman Maurer
Assignee: Norman Maurer
In the store api we generate the uid for a new message and guaranteer that the
Mailbox.getLastUid() method will return this value after it is stored. For this
we save the message and the mailbox and use for example a row lock (in jpa
land) for this to get rid of ghost-reads etc.
This is a big performance killer and is not needed at all. In the rfc its
clearly stated that the used uid for the next saved message must just be equal
or bigger then the UIDNEXT value.
>From rfc:
Note: The next unique identifier value is intended to
provide a means for a client to determine whether any
messages have been delivered to the mailbox since the
previous time it checked this value. It is not intended to
provide any guarantee that any message will have this
unique identifier. A client can only assume, at the time
that it obtains the next unique identifier value, that
messages arriving after that time will have a UID greater
than or equal to that value.
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