maria-developers team mailing list archive
Mailing list archive
Re: Doublewrite block number in XtraDB
A very similar idea has been implemented in XtraDB of Percona Server
5.7, see "Parallel Doublewrite" at
AFAIK, this feature is not in XtraDB of MariaDB as of today.
2017-02-09 9:32 GMT+02:00 Hank Lyu <hanklgs9564@xxxxxxxxx>:
> In XtraDB, if we adjust the size of doublewrite buffer and relative variable
> (i.e. srv_doublewrite_batch_size) , in theory, we can get better throughput
> when buffer pool flush to disk.
> I wonder that why doublewrite buffer size is 2 block and each flush page
> number is 120 (decided by srv_doublewrite_batch_size), instead doublewrite
> size is 8 and each flush page number is 500 or more?
> Is it worry about that when doing flush will occupy too much resource or
> other reason?
> Best Regard
> Hank Lyu
> Mailing list: https://launchpad.net/~maria-developers
> Post to : maria-developers@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~maria-developers
> More help : https://help.launchpad.net/ListHelp