Re: [Maria-developers] [Commits] 3a8f101: MDEV-11379 - AliSQL: [Feature] Issue#8: SELECT FOR UPDATE WAIT

2017-02-08 Thread Michael Widenius
Hi! > "Sergey" == Sergey Vojtovich writes: Sergey> revision-id: 3a8f101a173b987b314ba5fcc5c74d80ab56802b (mariadb-10.2.2-160-g3a8f101) Sergey> parent(s): c846ebe9df9adc90a5c25be0dce816c5d4302794 Sergey> committer: Sergey Vojtovich Sergey> timestamp: 2017-02-07 13:27:42 +0400 Sergey> messag

Re: [Maria-developers] MDEV-10697 - bb-10.2-compatibility

2017-02-08 Thread jerome brauge
Hi Alexander, I'm sorry to waste your time for formatting and/or coding style issues. Is there a document that lists your best practices ? Regards, Jérôme. > -Message d'origine- > De : Alexander Barkov [mailto:b...@mariadb.org] > Envoyé : mercredi 8 février 2017 07:06 > À : jerome brauge;

Re: [Maria-developers] [Commits] e84a5064674: After review fixes for MDEV-11759.

2017-02-08 Thread Marko Mäkelä
On Tue, Feb 7, 2017 at 8:12 PM, jan wrote: > # Write file to make mysql-test-run.pl expect the "crash", but don't > # start it until it's told to > -# We give 30 seconds to do a clean shutdown because we do not want > -# to redo apply the pages of t1.ibd at the time of recovery. > -# We want SQL

Re: [Maria-developers] Archive Storage Engine

2017-02-08 Thread Sergey Petrunia
Hi Varun, On Tue, Feb 07, 2017 at 10:19:50PM +0100, Sergei Golubchik wrote: > > I almost replied to your email with "it's impossible, Archive did not > have HA_RECORD_MUST_BE_CLEAN_ON_WRITE in the table_flags(), no engine > did. So removal could not have changed anything". > > But then I noticed

[Maria-developers] Doublewrite block number in XtraDB

2017-02-08 Thread Hank Lyu
Hello: 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_do

Re: [Maria-developers] Doublewrite block number in XtraDB

2017-02-08 Thread Laurynas Biveinis
Hank - A very similar idea has been implemented in XtraDB of Percona Server 5.7, see "Parallel Doublewrite" at https://www.percona.com/doc/percona-server/5.7/performance/xtradb_performance_improvements_for_io-bound_highly-concurrent_workloads.html AFAIK, this feature is not in XtraDB of MariaDB a