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https://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting-datadict.htmlMariaDB [dbmail]> SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';
+----------+----------------------+------+--------+-------+-------------+------------+---------------+| TABLE_ID | NAME | FLAG | N_COLS | SPACE | FILE_FORMAT | ROW_FORMAT | ZIP_PAGE_SIZE |
+----------+----------------------+------+--------+-------+-------------+------------+---------------+| 672 | dbmail/#sql2-704-271 | 41 | 5 | 545 | Barracuda | Compressed | 8192 |
+----------+----------------------+------+--------+-------+-------------+------------+---------------+ 1 row in set (0,00 sec) _________________ MariaDB [dbmail]> drop table `#sql2-704-271`; ERROR 1051 (42S02): Unknown table 'dbmail.#sql2-704-271' MariaDB [dbmail]>To identify orphan temporary tables on your system, you can view Table Monitor output or query INFORMATION_SCHEMA.INNODB_SYS_TABLES. Look for table names that begin with #sql. If the original table resides in a file-per-table tablespace, the tablespace file (the #sql-*.ibd file) for the orphan temporary table should be visible in the database directory.
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';To remove an orphan temporary table, drop the table by issuing a DROP TABLE statement, prefixing the name of the table with #mysql50# and enclosing the table name in backticks. For example:
mysql> DROP TABLE `#mysql50##sql-540_3`; _________________ bullshit - damned crap MariaDB [dbmail]> drop table `#sql2-704-271`; ERROR 1051 (42S02): Unknown table 'dbmail.#sql2-704-271' MariaDB [dbmail]> drop table `#dbmail##sql2-704-271`; ERROR 1051 (42S02): Unknown table 'dbmail.#dbmail##sql2-704-271' MariaDB [dbmail]> drop table `##sql2-704-271`; ERROR 1051 (42S02): Unknown table 'dbmail.##sql2-704-271' MariaDB [dbmail]> MariaDB [dbmail]> drop table `#mysql50##sql2-704-271`; ERROR 1051 (42S02): Unknown table 'dbmail.#mysql50##sql2-704-271' MariaDB [dbmail]> Am 23.01.2017 um 22:38 schrieb Reindl Harald:
damned bullshit - drop it from table space and just shut up when it is not needed fpr a decade 2017-01-23 22:35:32 140667474868544 [ERROR] InnoDB: Could not find a valid tablespace file for 'dbmail/#sql2-704-271'. See http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting-datadict.html for how to resolve the issue. Database changed MariaDB [dbmail]> drop table '#sql2-704-271' -> ; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''#sql2-704-271'' at line 1 MariaDB [dbmail]> drop table #sql2-704-271; -> ; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 1 MariaDB [dbmail]> drop table \#sql2-704-271; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-704-271' at line 1 MariaDB [dbmail]> drop table "\#sql2-704-271"; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '"\#sql2-704-271"' at line 1 MariaDB [dbmail]> drop table '#sql2-704-271'; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ''#sql2-704-271'' at line 1 MariaDB [dbmail]> Am 23.01.2017 um 22:31 schrieb Reindl Harald:ok, after delete the #xxx crap files it sarts at least 2017-01-23 22:29:46 7fbbd64cd940 InnoDB: Operating system error number 2 in a file operation. InnoDB: The error means the system cannot find the path specified. InnoDB: If you are installing InnoDB, remember that you must create InnoDB: directories yourself, InnoDB does not create them. 2017-01-23 22:29:46 140444730972480 [ERROR] InnoDB: Could not find a valid tablespace file for 'dbmail/#sql2-704-271'. See http://dev.mysql.com/doc/refman/5.6/en/innodb-troubleshooting-datadict.html for how to resolve the issue. 2017-01-23 22:29:46 140444730972480 [ERROR] InnoDB: Tablespace open failed for '"dbmail"."#sql2-704-271"', ignored. *how* to get rid of that error messages one for all? why is there no internal cleanup to remove that referecnes for over 10 years not existing stuff from the global tablespace? Am 23.01.2017 um 22:07 schrieb Reindl Harald:Hi that crap temp files never deleted are from years ago and a crash until now it was enough to keep that tempfiles, with 10.1.x mariadb don't start at all - *how to get rid of that crap* the idiotic warnings are one thing but the segfauls now... it's about a decade that it's not possible to cleanup such stuff http://grokbase.com/t/mysql/mysql/136kx5qp1w/how-can-i-drop-a-table-that-is-named-logs-sql-ib203-and-appeared-after-mysql-crash 2017-01-23 22:01:27 139913013700928 [ERROR] InnoDB: Trying to do i/o to a tablespace which exists without .ibd data file. i/o type 10, space id 545, page no 0, i/o length 8192 bytes 2017-01-23 22:01:27 7f40097b2940 InnoDB: Error: trying to access tablespace 545 page no. 0, InnoDB: but the tablespace does not exist or is just being dropped. 2017-01-23 22:01:27 139913013700928 [ERROR] InnoDB: tablespace id is 545 in the data dictionary but in file ./dbmail/#sql2-704-271.ibd it is 690! 2017-01-23 22:01:31 140380157278528 [ERROR] InnoDB: Trying to do i/o to a tablespace which exists without .ibd data file. i/o type 10, space id 545, page no 0, i/o length 8192 bytes 2017-01-23 22:01:31 7faccd687940 InnoDB: Error: trying to access tablespace 545 page no. 0, InnoDB: but the tablespace does not exist or is just being dropped. InnoDB: Error: Unable to read tablespace 545 page no 0 into the buffer pool after 100 attempts InnoDB: The most probable cause of this error may be that the table has been corrupted. InnoDB: You can try to fix this problem by using innodb_force_recovery. InnoDB: Please see reference manual for more details. InnoDB: Aborting... 2017-01-23 22:01:31 7faccd687940 InnoDB: Assertion failure in thread 140380157278528 in file buf0buf.cc line 3080 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 170123 22:01:31 [ERROR] mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. To report this bug, see https://mariadb.com/kb/en/reporting-bugs We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. Server version: 10.1.21-MariaDB key_buffer_size=33554432 read_buffer_size=131072 max_used_connections=0 max_threads=52 thread_count=0 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 53739 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x0 thread_stack 0x48400 /usr/libexec/mysqld(my_print_stacktrace+0x29)[0x560568d7a139] /usr/libexec/mysqld(handle_fatal_signal+0x3ad)[0x5605689d780d] /lib64/libpthread.so.0(+0x10c30)[0x7faccb39cc30] /lib64/libc.so.6(gsignal+0x35)[0x7faccaffe765] /lib64/libc.so.6(abort+0x16a)[0x7faccb00036a] /usr/libexec/mysqld(+0x80a9b9)[0x560568cce9b9] /usr/libexec/mysqld(+0x85426d)[0x560568d1826d] /usr/libexec/mysqld(+0x8593ca)[0x560568d1d3ca] /usr/libexec/mysqld(+0x8440b8)[0x560568d080b8] /usr/libexec/mysqld(+0x7b8978)[0x560568c7c978] /usr/libexec/mysqld(+0x702902)[0x560568bc6902] /usr/libexec/mysqld(_Z24ha_initialize_handlertonP13st_plugin_int+0x5d)[0x5605689d999d] /usr/libexec/mysqld(+0x3dddfb)[0x5605688a1dfb] /usr/libexec/mysqld(_Z11plugin_initPiPPci+0x782)[0x5605688a2c32] /usr/libexec/mysqld(+0x353e75)[0x560568817e75] /usr/libexec/mysqld(_Z11mysqld_mainiPPc+0x35f)[0x56056881c1ef] /lib64/libc.so.6(__libc_start_main+0xf1)[0x7faccafea731] /usr/libexec/mysqld(_start+0x29)[0x560568812eb9] The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash
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