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Bug#23251517: SEMISYNC REPLICATION HANGING

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Revert following bug fix:

Bug#20685029: SLAVE IO THREAD SHOULD STOP WHEN DISK IS
FULL
Bug#21753696: MAKE SHOW SLAVE STATUS NON BLOCKING IF IO
THREAD WAITS FOR DISK SPACE

This fix results in a deadlock between slave IO thread
and SQL thread.
This commit is contained in:
Sujatha Sivakumar
2016-05-13 16:42:45 +05:30
parent 818b3a9123
commit df7ecf64f5
13 changed files with 41 additions and 446 deletions
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14
mysys/errors.c
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@ -15,7 +15,7 @@
#include "mysys_priv.h"
#include "mysys_err.h"
#include "m_string.h"
#ifndef SHARED_LIBRARY
const char *globerrs[GLOBERRS]=
@ -109,7 +109,6 @@ void init_glob_errs()
*/
void wait_for_free_space(const char *filename, int errors)
{
size_t time_to_sleep= MY_WAIT_FOR_USER_TO_FIX_PANIC;
if (!(errors % MY_WAIT_GIVE_USER_A_MESSAGE))
{
my_printf_warning(EE(EE_DISK_FULL),
@ -120,15 +119,10 @@ void wait_for_free_space(const char *filename, int errors)
}
DBUG_EXECUTE_IF("simulate_no_free_space_error",
{
time_to_sleep= 1;
(void) sleep(1);
return;
});
DBUG_EXECUTE_IF("simulate_io_thd_wait_for_disk_space",
{
time_to_sleep= 1;
});
(void) sleep(time_to_sleep);
DEBUG_SYNC_C("disk_full_reached");
(void) sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC);
}
const char **get_global_errmsgs()