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6 commits

Author SHA1 Message Date
Marko Mäkelä
be85d3e61b Merge 10.2 into 10.3 2019-05-14 17:18:46 +03:00
Andrei Elkin
529120e1cb MDEV-13073. This patch is a followup of the previous one to convert the trailing underscore identifier to mariadb standard. For identifier representing class private members the underscore is replaced with a m_ prefix. Otherwise _ is just removed. 2017-12-18 13:43:38 +02:00
Andrei Elkin
f279d3c43a MDEV-13073. This part converts the Ali patch`s identifiers to the MariaDB standard. Also some renaming is done as well as white spaces removal. 2017-12-18 13:43:38 +02:00
Andrei Elkin
6a84e3407d MDEV-13073. This patch replaces semisync's native function_enter,exit 
and its custom trace faciltiy with standard DBUG_ based equivalents.
 2017-12-18 13:43:38 +02:00
Andrei Elkin
e972125f11 MDEV-13073 This part merges the Ali semisync related changes 
and specifically the ack receiving functionality.
Semisync is turned to be static instead of plugin so its functions
are invoked at the same points as RUN_HOOKS.
The RUN_HOOKS and the observer interface remain to be removed by later
patch.

Todo:
  React on killed status by repl_semisync_master.wait_after_sync(). Currently
  Repl_semi_sync_master::commit_trx does not check the killed status.

  There were few bugfixes found that are present in mysql and its unclear
  whether/how they are covered. Those include:

  Bug#15985893: GTID SKIPPED EVENTS ON MASTER CAUSE SEMI SYNC TIME-OUTS
  Bug#17932935 CALLING IS_SEMI_SYNC_SLAVE() IN EACH FUNCTION CALL
                 HAS BAD PERFORMANCE
  Bug#20574628: SEMI-SYNC REPLICATION PERFORMANCE DEGRADES WITH A HIGH NUMBER OF THREADS
 2017-12-18 13:43:37 +02:00
Monty
2e53b96a0a Moved semisync from a plugin to normal server 
Part of MDEV-13073 AliSQL Optimize performance of semisync

Did the following renames to match other similar variables
key_ss_mutex_LOCK_binlog_       > key_LOCK_bing
key_ss_cond_COND_binlog_send_  -> key_COND_binlog_send
COND_binlog_send_              -> COND_binlog_send
LOCK_binlog_                   -> LOCK_binlog

debian/mariadb-server-10.2.install does not install semisync libs.
 2017-12-18 13:43:36 +02:00
Renamed from plugin/semisync/semisync.h (Browse further)