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| author | Oleksandr Byelkin <sanja@mariadb.com> | 2020-02-10 20:34:16 +0100 |
|---|---|---|
| committer | Oleksandr Byelkin <sanja@mariadb.com> | 2020-02-10 20:34:16 +0100 |
| commit | 58b70dc13630d2f2f0244359d6351085d70fd5dd (patch) | |
| tree | bf6600084f6bce9526916a307d0263d398451b0b /sql/mysqld.cc | |
| parent | d72038a738b2ece7f50453e0f366ad0b9e5ed7e0 (diff) | |
| parent | 235d7c6f541ef00bec8759bef7d9e1764db20755 (diff) | |
| download | mariadb-git-58b70dc13630d2f2f0244359d6351085d70fd5dd.tar.gz | |
Merge branch '10.2' into 10.3
Diffstat (limited to 'sql/mysqld.cc')
| -rw-r--r-- | sql/mysqld.cc | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc index 8fe6e6b6d32..60b87b60be4 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -4495,7 +4495,7 @@ static int init_common_variables() min_connections= 10; /* MyISAM requires two file handles per table. */ wanted_files= (extra_files + max_connections + extra_max_connections + - tc_size * 2); + tc_size * 2 * tc_instances); #if defined(HAVE_POOL_OF_THREADS) && !defined(__WIN__) // add epoll or kevent fd for each threadpool group, in case pool of threads is used wanted_files+= (thread_handling > SCHEDULER_NO_THREADS) ? 0 : threadpool_size; @@ -4524,6 +4524,14 @@ static int init_common_variables() if (files < wanted_files && global_system_variables.log_warnings) sql_print_warning("Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files); + /* If we required too much tc_instances than we reduce */ + SYSVAR_AUTOSIZE_IF_CHANGED(tc_instances, + (uint32) MY_MIN(MY_MAX((files - extra_files - + max_connections)/ + 2/tc_size, + 1), + tc_instances), + uint32); /* If we have requested too much file handles than we bring max_connections in supported bounds. Still leave at least @@ -4531,7 +4539,7 @@ static int init_common_variables() */ SYSVAR_AUTOSIZE_IF_CHANGED(max_connections, (ulong) MY_MAX(MY_MIN(files- extra_files- - min_tc_size*2, + min_tc_size*2*tc_instances, max_connections), min_connections), ulong); @@ -4544,7 +4552,7 @@ static int init_common_variables() */ SYSVAR_AUTOSIZE_IF_CHANGED(tc_size, (ulong) MY_MIN(MY_MAX((files - extra_files - - max_connections) / 2, + max_connections) / 2 / tc_instances, min_tc_size), tc_size), ulong); DBUG_PRINT("warning", |