Hello
The command used is this in the new server:
/usr/bin/doveadm -v backup -Ru user tcp:old_server:port
Thousands of users were migrated without problems with the above command.
This is the line just above the backtrace in the log
Nov 13 06:00:33 my server dovecot: doveadm: Fatal: block_alloc(16777216): Out
of memory
Searching in the log I also found lines like these:
Nov 13 05:22:42 my server dovecot: doveadm: Fatal: master: service(doveadm):
child 29439 returned error 83 (Out of memory (service doveadm { vsz_limit=256
MB }, you may need to increase it) - set CORE_OUTOFMEM=1 environment to get
core dump)
>>
>>
>
> Hi!
>
> How are you migrating, since you didn't actually provide the used command
> line.
>
> Also the line before `Nov 13 06:00:33 myserver dovecot: doveadm: Error: Raw
> backtrace:` would have been probably useful, instead of the backtrace alone.
>
> Aki
>
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