diff options
Diffstat (limited to 'sql/mysqld.cc')
| -rw-r--r-- | sql/mysqld.cc | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/sql/mysqld.cc b/sql/mysqld.cc index 6921fe3e6d8..ee64a247e5a 100644 --- a/sql/mysqld.cc +++ b/sql/mysqld.cc @@ -346,7 +346,7 @@ bool opt_error_log= IF_WIN(1,0); bool opt_disable_networking=0, opt_skip_show_db=0; my_bool opt_character_set_client_handshake= 1; bool server_id_supplied = 0; -bool opt_endinfo,using_udf_functions; +bool opt_endinfo, using_udf_functions; my_bool locked_in_memory; bool opt_using_transactions, using_update_log; bool volatile abort_loop; @@ -2155,13 +2155,24 @@ later when used with nscd), disable LDAP in your nsswitch.conf, or use a\n\ mysqld that is not statically linked.\n"); #endif - if (test_flags & TEST_CORE_ON_SIGNAL) - { - fprintf(stderr, "Writing a core file\n"); - fflush(stderr); - write_core(sig); - } - exit(1); + if (locked_in_memory) + { + fprintf(stderr, "\n\ +The \"--memlock\" argument, which was enabled, uses system calls that are\n\ +unreliable and unstable on some operating systems and operating-system\n\ +versions (notably, some versions of Linux). This crash could be due to use\n\ +of those buggy OS calls. You should consider whether you really need the\n\ +\"--memlock\" parameter and/or consult the OS distributer about \"mlockall\"\n\ +bugs.\n"); + } + + if (test_flags & TEST_CORE_ON_SIGNAL) + { + fprintf(stderr, "Writing a core file\n"); + fflush(stderr); + write_core(sig); + } + exit(1); } #ifndef SA_RESETHAND @@ -2784,13 +2795,13 @@ static int init_common_variables(const char *conf_file_name, int argc, !(log_output_options & LOG_NONE)) sql_print_warning("Although a path was specified for the " "--log option, log tables are used. " - "To enable logging to file use the --log-output option."); + "To enable logging to files use the --log-output option."); if (opt_slow_log && opt_slow_logname && !(log_output_options & LOG_FILE) && !(log_output_options & LOG_NONE)) sql_print_warning("Although a path was specified for the " "--log-slow-queries option, log tables are used. " - "To enable logging to file use the --log-output option."); + "To enable logging to files use the --log-output option."); if (!opt_logname) opt_logname= make_default_log_name(buff, ".log"); @@ -5932,9 +5943,11 @@ The minimum value for this variable is 4096.", "If there is more than this number of interrupted connections from a host this host will be blocked from further connections.", (gptr*) &max_connect_errors, (gptr*) &max_connect_errors, 0, GET_ULONG, REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ~0L, 0, 1, 0}, + // Default max_connections of 151 is larger than Apache's default max + // children, to avoid "too many connections" error in a common setup {"max_connections", OPT_MAX_CONNECTIONS, "The number of simultaneous clients allowed.", (gptr*) &max_connections, - (gptr*) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 100, 1, 16384, 0, 1, + (gptr*) &max_connections, 0, GET_ULONG, REQUIRED_ARG, 151, 1, 16384, 0, 1, 0}, {"max_delayed_threads", OPT_MAX_DELAYED_THREADS, "Don't start more than this number of threads to handle INSERT DELAYED statements. If set to zero, which means INSERT DELAYED is not used.", @@ -6624,6 +6637,7 @@ SHOW_VAR status_vars[]= { {"Com_create_function", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_FUNCTION]), SHOW_LONG_STATUS}, {"Com_create_index", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_INDEX]), SHOW_LONG_STATUS}, {"Com_create_table", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_TABLE]), SHOW_LONG_STATUS}, + {"Com_create_user", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_CREATE_USER]), SHOW_LONG_STATUS}, {"Com_dealloc_sql", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DEALLOCATE_PREPARE]), SHOW_LONG_STATUS}, {"Com_delete", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE]), SHOW_LONG_STATUS}, {"Com_delete_multi", (char*) offsetof(STATUS_VAR, com_stat[(uint) SQLCOM_DELETE_MULTI]), SHOW_LONG_STATUS}, |