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Venkatesh Duggirala a3cc647dbd Bug #18808072 MYSQLBINLOG USES LOCALTIME() TO PRINT EVENTS, CAUSES KERNEL MUTEX CONTENTION 
Problem: For every event read, mysqlbinlog calls localtime() which in turn
calls stat(/etc/localtime) which is causing kernel mutex contention.

Analysis and Fix:
localtime() calls stat(/etc/localtime) for every instance of the call
where as localtime_r() the reentrant version was optimized to store
the read only tz internal structure. Hence it will not call
stat(/etc/localtime). It will call only once at the beginning.
The mysql server is calling localtime_r() and mysqlbinlog tool is
one place where we are still using localtime().

Once the process (mysqlbinlog) is started if timezone is changed
it will be not picked up the the process and it will continue
with the same values as the beginning of the process. This
behavior is in-lined with mysql server.

Also adding localtime_r() and gmtime_r() support for windows.
2014-10-08 21:54:35 +05:30
..
atomic Updated/added copyright headers 2011-06-30 17:46:53 +02:00
mysql Bug#17283409 4-WAY DEADLOCK: ZOMBIES, PURGING BINLOGS, 2014-05-08 18:13:01 +05:30
base64.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
CMakeLists.txt Updated/added copyright headers 2011-06-30 17:46:53 +02:00
decimal.h Updated/added copyright headers 2012-02-15 17:21:38 +01:00
errmsg.h BUG#18080920: CRASH; MY_REALLOC_STR DEREFERENCES NEGATIVE VALUE 2014-04-24 09:30:21 +05:30
ft_global.h Updated/added copyright headers 2013-02-26 06:35:17 +01:00
hash.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
heap.h Updated/added copyright headers 2012-02-15 17:13:47 +01:00
keycache.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
lf.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
m_ctype.h Bug #17760379 COLLATIONS WITH CONTRACTIONS BUFFER-OVERFLOW THEMSELVES IN THE FOOT 2014-01-11 14:48:29 +05:30
m_string.h Updated/added copyright headers 2013-02-26 06:35:17 +01:00
my_aes.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_alarm.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_alloc.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_atomic.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_attribute.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_base.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_bit.h Updated/added copyright headers 2011-07-04 01:25:49 +02:00
my_bitmap.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
my_check_opt.h Bug#17513737 INTRODUCE CHECK TABLE...QUICK 2013-10-17 18:09:04 +05:30
my_compare.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
my_compiler.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_dbug.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_dir.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_getopt.h Updated/added copyright headers 2014-01-06 10:52:35 +05:30
my_global.h Bug#16729109: FIX COMPILATION WARNINGS WITH GCC 4.8 2013-06-14 10:52:23 +02:00
my_libwrap.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_list.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_md5.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
my_net.h Updated/added copyright headers 2014-01-06 10:52:35 +05:30
my_nosys.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_pthread.h Bug #18808072 MYSQLBINLOG USES LOCALTIME() TO PRINT EVENTS, CAUSES KERNEL MUTEX CONTENTION 2014-10-08 21:54:35 +05:30
my_rdtsc.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_stacktrace.h Bug#11761576 54082: HANDLE_SEGFAULT MAKES USE OF UNSAFE FUNCTIONS 2011-12-02 14:16:48 +01:00
my_sys.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
my_time.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_tree.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
my_uctype.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
my_user.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
my_xml.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
myisam.h Updated/added copyright headers 2014-01-06 10:52:35 +05:30
myisammrg.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
myisampack.h Updated/added copyright headers 2013-02-26 06:35:17 +01:00
mysql.h Updated/added copyright headers 2013-02-26 06:35:17 +01:00
mysql.h.pp Bug #12998841: libmysql divulges plaintext password upon request in 5.5 2012-07-05 09:55:20 +03:00
mysql_com.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
mysql_embed.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
mysql_time.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
mysql_version.h.in Fixing the bug 18184414: WRONG COPYRIGHT TO FILE INCLUDE/MYSQL_VERSION.H.IN 2014-02-06 14:11:38 +05:30
mysys_err.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
password.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
probes_mysql.d.base Updated/added copyright headers 2011-06-30 17:46:53 +02:00
probes_mysql.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
probes_mysql_nodtrace.h merge mysql-5.1->mysql-5.5 2011-07-07 12:42:14 +03:00
queues.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
rijndael.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
service_versions.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
sha1.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
sha2.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
sql_common.h Bug #12998841: libmysql divulges plaintext password upon request in 5.5 2012-07-05 09:55:20 +03:00
sslopt-case.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
sslopt-longopts.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
sslopt-vars.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
t_ctype.h Updated/added copyright header. Added line "use is subject to license terms" 2014-02-17 18:19:04 +05:30
thr_alarm.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
thr_lock.h Updated/added copyright headers 2011-06-30 17:46:53 +02:00
typelib.h Fix for Bug 16395495 - OLD FSF ADDRESS IN GPL HEADER 2013-03-19 15:53:48 +01:00
violite.h Updated/added copyright headers. 2013-02-25 15:26:00 +01:00
welcome_copyright_notice.h updating the current copyright year which reflects in the MySQL welcome message. 2014-01-09 16:07:14 +05:30