maria-developers team mailing list archive

[Sergei Golubchik <serg@xxxxxxxxxxx>]

Hi, Sergey!

On Apr 02, Sergey Vojtovich wrote:
> On Thu, Apr 02, 2020 at 11:43:14AM +0200, Sergei Golubchik wrote:
> > Hi, Sergey!
> > 
> > On Apr 01, Sergey Vojtovich wrote:
> > > revision-id: 6daf451415f (mariadb-10.5.0-69-g6daf451415f)
> > > parent(s): c24253d0fa3
> > > author: Sergey Vojtovich <svoj@xxxxxxxxxxx>
> > > committer: Sergey Vojtovich <svoj@xxxxxxxxxxx>
> > > timestamp: 2019-12-25 20:24:24 +0400
> > > message:
> > > 
> > > Let "FTWRL <table_list>" use extra(HA_EXTRA_FLUSH)
> > > 
> > > Rather than flushing caches with tdc_remove_table(TDC_RT_REMOVE_UNUSED)
> > > flush them with extra(HA_EXTRA_FLUSH) instead. This goes inline with
> > > regular FTWRL.
> > 
> > Not quite. FTWRL calls flush_tables(thd, FLUSH_ALL), and flush_tables()
> > does extra(HA_EXTRA_FLUSH) + tc_release_table() + tdc_release_share(share)
> > 
> > So FTWRL still closes all tables properly.
> Sure it does. Because it acquired table/share previously - they have to be
> released eventually.
> 
> "FTWRL table_name" will do the same a few lines below in close_thread_tables().

You mean after flush_tables_with_read_lock(), during the normal cleanup
at the end of the statement?

Regards,
Sergei
VP of MariaDB Server Engineering
and security@xxxxxxxxxxx