aria_chk man page on DragonFly

Man page or keyword search:  
man Server   44335 pages
apropos Keyword Search (all sections)
Output format
DragonFly logo
[printable version]

ARIA_CHK(1)			 User Commands			   ARIA_CHK(1)

NAME
       aria_chk - Aria table-maintenance utility

SYNOPSIS
       aria_chk [OPTIONS] tables[.MAI]

DESCRIPTION
       Describe,  check	 and  repair of Aria tables.  Used without options all
       tables on the command will be checked for errors

   Global options
       -#, --debug=...
	      Output debug log. Often this is 'd:t:o,filename'.

       -H, --HELP
	      Print all argument options sorted alphabetically.

       -?, --help
	      Print all options by groups

       --datadir=path
	      Path for control file (and logs if --logdir not used)

       --logdir=path
	      Path for log files

       --ignore-control-file
	      Don't open the control file. Only use this if you are  sure  the
	      tables are not in use by another program!

       --require-control-file
	      Abort if we can't find/read the maria_log_control file

       -s, --silent
	      Only  print  errors.   One can use two -s to make maria_chk very
	      silent.

       -t, --tmpdir=path
	      Path for temporary files. Multiple paths can be specified, sepa‐
	      rated by colon (:), they will be used in a round-robin fashion.

       -v, --verbose
	      Print  more information. This can be used with --description and
	      --check. Use many -v for more verbosity.

       -V, --version
	      Print version and exit.

       -w, --wait
	      Wait if table is locked.

   Check options (check is the default action for aria_chk)
       -c, --check
	      Check table for errors.

       -e, --extend-check
	      Check the table VERY throughly.  Only use this in extreme	 cases
	      as  aria_chk should normally be able to find out if the table is
	      ok even without this switch.

       -F, --fast
	      Check only tables that haven't been closed properly.

       -C, --check-only-changed
	      Check only tables that have changed since last check.

       -f, --force
	      Restart with '-r' if there are any errors in the table.	States
	      will be updated as with '--update-state'.

       -i, --information
	      Print statistics information about table that is checked.

       -m, --medium-check
	      Faster  than  extend-check, but only finds 99.99% of all errors.
	      Should be good enough for most cases.

       -T, --read-only
	      Don't mark table as checked.

       -U, --update-state
	      Mark tables as crashed if any errors were	 found	and  clean  if
	      check didn't find any errors but table was marked as 'not clean'
	      before. This allows one to get rid of warnings like  'table  not
	      properly	closed'.  If  table was updated, update also the time‐
	      stamp for when the check was made. This option is on by default!
	      Use --skip-update-state to disable.

       --warning-for-wrong-transaction-id

	      Give  a warning if we find a transaction id in the table that is
	      bigger than what exists in the control file. Use	--skip-...  to
	      disable warning

   Recover (repair)/ options (When using '--recover' or '--safe-recover')
       -B, --backup
	      Make a backup of the .MAD file as 'filename-time.BAK'.

       --correct-checksum
	      Correct checksum information for table.

       -D, --data-file-length=#
	      Max  length  of  data  file (when recreating data file when it's
	      full).

       -e, --extend-check
	      Try to recover every possible row from the  data	file  Normally
	      this will also find a lot of garbage rows; Don't use this option
	      if you are not totally desperate.

       -f, --force
	      Overwrite old temporary files.

       -k, --keys-used=#
	      Tell Aria to update only some specific keys. # is a bit mask  of
	      which keys to use. This can be used to get faster inserts.

       --max-record-length=#
	      Skip  rows bigger than this if aria_chk can't allocate memory to
	      hold it.

       -r, --recover
	      Can fix almost anything except unique keys that aren't unique.

       -n, --sort-recover
	      Forces recovering with sorting even if the temporary file	 would
	      be very big.

       -p, --parallel-recover
	      Uses  the	 same  technique as '-r' and '-n', but creates all the
	      keys in parallel, in different threads.

       -o, --safe-recover
	      Uses old recovery method; Slower than '-r' but can handle a cou‐
	      ple of cases where '-r' reports that it can't fix the data file.

       --transaction-log
	      Log  repair  command  to	transaction log. This is needed if one
	      wants to use the aria_read_log to repeat the repair

       --character-sets-dir=...
	      Directory where character sets are.

       --set-collation=name
	      Change the collation used by the index.

       -q, --quick
	      Faster repair by not modifying the data file.  One  can  give  a
	      second '-q' to force aria_chk to modify the original datafile in
	      case of duplicate keys.  NOTE: Tables where  the	data  file  is
	      currupted can't be fixed with this option.

       -u, --unpack
	      Unpack file packed with ariapack.

   Other actions
       -a, --analyze
	      Analyze  distribution  of	 keys. Will make some joins in MariaDB
	      faster.  You can check  the  calculated  distribution  by	 using
	      '--description --verbose table_name'.

       --stats_method=name
	      Specifies	 how  index  statistics	 collection  code should treat
	      NULLs. Possible values of name are "nulls_unequal" (default  for
	      4.1/5.0), "nulls_equal" (emulate 4.0), and "nulls_ignored".

       -d, --description
	      Prints some information about table.

       -A, --set-auto-increment[=value]
	      Force  auto_increment  to	 start	at  this or higher value If no
	      value is given, then sets the next auto_increment value  to  the
	      highest used value for the auto key + 1.

       -S, --sort-index
	      Sort index blocks.  This speeds up 'read-next' in applications.

       -R, --sort-records=#
	      Sort  records  according to an index.  This makes your data much
	      more localized and may speed up things (It may be VERY  slow  to
	      do a sort the first time!).

       -b,  --block-search=#
	      Find a record, a block at given offset belongs to.

       -z,  --zerofill
	      Fill  empty  space  in  data  and index files with zeroes.  This
	      makes the data file movable between different servers.

       --zerofill-keep-lsn
	      Like --zerofill but does not zero out LSN of data/index pages.

   Variables
       --page_buffer_size=#
	      Size of page buffer. Used by --safe-repair

       --read_buffer_size=#
	      Read buffer size for sequential reads during scanning

       --sort_buffer_size=#
	      Size of sort buffer. Used by --recover

       --sort_key_blocks=#
	      Internal buffer for sorting keys; Don't touch.

       --write_buffer_size=#
	      Write buffer size for sequential writes during repair

       Default options are read from the following files in the	 given	order:
       /etc/my.cnf /etc/mysql/my.cnf ~/.my.cnf

       The following groups are read: aria_chk

       The following options may be given as the first argument:

       --print-defaults
	      Print the program argument list and exit.

       --no-defaults
	      Don't read default options from any option file.

       --defaults-file=#
	      Only read default options from the given file #.

       --defaults-extra-file=#
	      Read this file after the global files are read.

SEE ALSO
       myisamchk(1)

       For more information, please refer to the MariaDB Knowledge Base, which
       is available online at http://mariadb.com/kb/

aria_chk Ver 1.2		   May 2014			   ARIA_CHK(1)
[top]

List of man pages available for DragonFly

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]
Tweet
Polarhome, production since 1999.
Member of Polarhome portal.
Based on Fawad Halim's script.
....................................................................
Vote for polarhome
Free Shell Accounts :: the biggest list on the net