Comment 6 for bug 1645774

If you mean stderr, there is no error after 3 days, just very slow. I have
to cancel it.

Thanks

On Sun, Dec 11, 2016 at 11:42 PM, Sergei Glushchenko <
<email address hidden>> wrote:

> You can capture backup and prepare logs by simply redirecting
> xtrabackup's stderr into a file.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1645774
>
> Title:
> Xtrabackup 2.4 very slow when prepare the backup
>
> Status in Percona XtraBackup:
> New
>
> Bug description:
> We upgrade Percona server 5.6 to 5.7, when try to set up new slave use
> Xtrabackup, we find have to upgrade it from 2.3 to 2.4 in order to
> backup the 5.7 database.
>
> The problem is after the data copy finished when start to parepare the
> backup, the apply log records process is very slow. The
> xtrabackup_logfile file is about 500G, after one day it only apply
> around 10%.
>
> When we tried Xtrabackup 2.3 on the same data with Percona 5.6 (we
> still keep one slave as 5.6 just in case), the prepare process only
> take about 5 hours, the xtrabackup_logfile is about 600G
>
> To manage notifications about this bug go to:
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>