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From Erick Erickson <>
Subject Re: CDCR - how to deal with the transaction log files
Date Sat, 08 Jul 2017 16:10:16 GMT
This should not be the case if you are actively sending updates to the
target cluster. The tlog is used to store unsent updates, so if the
connection is broken for some time, the target cluster will have a
chance to catch up.

If you don't have the remote DC online and do not intend to bring it
online soon, you should turn CDCR off.


On Fri, Jul 7, 2017 at 9:35 PM, Xie, Sean <> wrote:
> Once enabled CDCR, update log stores an unlimited number of entries. This is causing
the tlog folder getting bigger and bigger, as well as the open files are growing. How can
one reduce the number of open files and also to reduce the tlog files? If it’s not taken
care properly, sooner or later the log files size and open file count will exceed the limits.
> Thanks
> Sean
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