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Re: Question regarding mariadb-dump/mysqldump and rocksdb


Sorry for delayed response Jonas,

It looks like quite a good addition. Please request a task

As you've seen the code, you're welcome to make an addition (in connect_to_db).

On Tue, Apr 25, 2023 at 12:53 AM Jonas Krauss <jkrauss82@xxxxxxxxx> wrote:
> Hi MariaDB,
> in Myrocks / Facebook MySQL there was a useful addition to mysqldump which makes queries issued by the dumper not add to the block cache of the rocksdb instance. It was added quite some time ago:
> https://github.com/facebook/mysql-5.6/commit/2223479fea78a246884c5a09ef4d02f9081ef8f9
> The corresponding server variable used is rocksdb_skip_fill_cache
> Is this active in MariaDB's version of mysqldump as well? The server variable exists in MariaDB's MyRocks (checked for 10.6.12) but I have not found a reference in MariaDB's source code when searching for rocksdb_skip_fill_cache.
> If it is not active it would be great if it could be added in a future version.
> Best
> Jonas
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