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Number of InnoDB Adapative Hash Index Partitions.
(default = 8).
--innodb-adaptive-max-sleep-delay=#
The upper limit of the sleep delay in usec. Value of 0
disables it.
--innodb-api-bk-commit-interval[=#]
Background commit interval in seconds
--innodb-api-disable-rowlock
Disable row lock when direct access InnoDB through InnoDB
APIs
--innodb-api-enable-binlog
Enable binlog for applications direct access InnoDB
through InnoDB APIs
--innodb-api-enable-mdl
Enable MDL for applications direct access InnoDB through
InnoDB APIs
--innodb-api-trx-level[=#]
InnoDB API transaction isolation level
--innodb-autoextend-increment=#
Data file autoextend increment in megabytes
--innodb-autoinc-lock-mode=#
The AUTOINC lock modes supported by InnoDB: 0 => Old
style AUTOINC locking (for backward compatibility); 1 =>
New style AUTOINC locking; 2 => No AUTOINC locking
(unsafe for SBR)
--innodb-buffer-pool-chunk-size=#
Size of a single memory chunk within each buffer pool
instance for resizing buffer pool. Online buffer pool
resizing happens at this granularity. 0 means disable
resizing buffer pool.
--innodb-buffer-pool-dump-at-shutdown
Dump the buffer pool into a file named
@@innodb_buffer_pool_filename
(Defaults to on; use --skip-innodb-buffer-pool-dump-at-shutdown to disable.)
--innodb-buffer-pool-dump-now
Trigger an immediate dump of the buffer pool into a file
named @@innodb_buffer_pool_filename
--innodb-buffer-pool-dump-pct=#
Dump only the hottest N% of each buffer pool, defaults to
25
--innodb-buffer-pool-filename=name
Filename to/from which to dump/load the InnoDB buffer
pool
--innodb-buffer-pool-instances=#
Number of buffer pool instances, set to higher value on
high-end machines to increase scalability
--innodb-buffer-pool-load-abort
Abort a currently running load of the buffer pool
--innodb-buffer-pool-load-at-startup
Load the buffer pool from a file named
@@innodb_buffer_pool_filename
(Defaults to on; use --skip-innodb-buffer-pool-load-at-startup to disable.)
--innodb-buffer-pool-load-now
Trigger an immediate load of the buffer pool from a file
named @@innodb_buffer_pool_filename
--innodb-buffer-pool-size=#
The size of the memory buffer InnoDB uses to cache data
and indexes of its tables.
--innodb-change-buffer-max-size=#
Maximum on-disk size of change buffer in terms of
percentage of the buffer pool.
--innodb-change-buffering=name
Buffer changes to reduce random access: OFF, ON,
inserting, deleting, changing, or purging.
--innodb-checksum-algorithm=name
The algorithm InnoDB uses for page checksumming. Possible
values are CRC32 (hardware accelerated if the CPU
supports it) write crc32, allow any of the other
checksums to match when reading; STRICT_CRC32 write
crc32, do not allow other algorithms to match when
reading; INNODB write a software calculated checksum,
allow any other checksums to match when reading;
STRICT_INNODB write a software calculated checksum, do
not allow other algorithms to match when reading; NONE
write a constant magic number, do not do any checksum
verification when reading (same as innodb_checksums=OFF);
STRICT_NONE write a constant magic number, do not allow
values other than that magic number when reading; Files
updated when this option is set to crc32 or strict_crc32
will not be readable by MySQL versions older than 5.6.3
--innodb-checksums DEPRECATED. Use innodb_checksum_algorithm=NONE instead of
setting this to OFF. Enable InnoDB checksums validation
(enabled by default). Disable with
--skip-innodb-checksums.
(Defaults to on; use --skip-innodb-checksums to disable.)
--innodb-cleaner-lsn-age-factor[=name]
The formula for LSN age factor for page cleaner adaptive
flushing. LEGACY: Original Oracle MySQL 5.6 formula.
HIGH_CHECKPOINT: (the default) Percona Server 5.6
formula.
--innodb-cmp-per-index-enabled
Enable INFORMATION_SCHEMA.innodb_cmp_per_index, may have
negative impact on performance (off by default)
--innodb-commit-concurrency=#
Helps in performance tuning in heavily concurrent
environments.
--innodb-compressed-columns-threshold=#
Compress column data if its length exceeds this value.
Default is 96
--innodb-compressed-columns-zip-level=#
Compression level used for compressed columns. 0 is no
compression, 1 is fastest and 9 is best compression.
Default is 6.
--innodb-compression-failure-threshold-pct[=#]
If the compression failure rate of a table is greater
than this number more padding is added to the pages to
reduce the failures. A value of zero implies no padding
--innodb-compression-level=#
Compression level used for compressed row format. 0 is
no compression, 1 is fastest, 9 is best compression and
default is 6.
--innodb-compression-pad-pct-max[=#]
Percentage of empty space on a data page that can be
reserved to make the page compressible.
--innodb-concurrency-tickets=#
Number of times a thread is allowed to enter InnoDB
within the same SQL query after it has once got the
ticket
--innodb-corrupt-table-action=name
Warn corruptions of user tables as 'corrupt table'
instead of not crashing itself, when used with
t/samples/percona-compiled.txt view on Meta::CPAN
(Defaults to on; use --skip-innodb-support-xa to disable.)
--innodb-sync-array-size[=#]
Size of the mutex/lock wait array.
--innodb-sync-spin-loops=#
Count of spin-loop rounds in InnoDB mutexes (30 by
default)
--innodb-table-locks
Enable InnoDB locking in LOCK TABLES
(Defaults to on; use --skip-innodb-table-locks to disable.)
--innodb-temp-data-file-path=name
Path to files and their sizes making temp-tablespace.
--innodb-thread-concurrency=#
Helps in performance tuning in heavily concurrent
environments. Sets the maximum number of threads allowed
inside InnoDB. Value 0 will disable the thread
throttling.
--innodb-thread-sleep-delay=#
Time of innodb thread sleeping before joining InnoDB
queue (usec). Value 0 disable a sleep
--innodb-tmpdir[=name]
Directory for temporary non-tablespace files.
--innodb-track-changed-pages
Track the redo log for changed pages and output a changed
page bitmap
--innodb-undo-directory=name
Directory where undo tablespace files live, this path can
be absolute.
--innodb-undo-log-truncate
Enable or Disable Truncate of UNDO tablespace.
--innodb-undo-logs[=#]
Number of rollback segments to use for storing undo logs.
(deprecated)
--innodb-undo-tablespaces=#
Number of undo tablespaces to use.
--innodb-use-global-flush-log-at-trx-commit
Use global innodb_flush_log_at_trx_commit value.
(default: ON).
(Defaults to on; use --skip-innodb-use-global-flush-log-at-trx-commit to disable.)
--innodb-use-native-aio
Use native AIO if supported on this platform.
(Defaults to on; use --skip-innodb-use-native-aio to disable.)
--innodb-write-io-threads=#
Number of background write I/O threads in InnoDB.
--interactive-timeout=#
The number of seconds the server waits for activity on an
interactive connection before closing it
--internal-tmp-disk-storage-engine[=name]
The default storage engine for on-disk internal tmp table
--join-buffer-size=#
The size of the buffer that is used for full joins
--keep-files-on-create
Don't overwrite stale .MYD and .MYI even if no directory
is specified
--key-buffer-size=# The size of the buffer used for index blocks for MyISAM
tables. Increase this to get better index handling (for
all reads and multiple writes) to as much as you can
afford
--key-cache-age-threshold=#
This characterizes the number of hits a hot block has to
be untouched until it is considered aged enough to be
downgraded to a warm block. This specifies the percentage
ratio of that number of hits to the total number of
blocks in key cache
--key-cache-block-size=#
The default size of key cache blocks
--key-cache-division-limit=#
The minimum percentage of warm blocks in key cache
--kill-idle-transaction=#
If non-zero, number of seconds to wait before killing
idle connections that have open transactions
-L, --language=name Client error messages in given language. May be given as
a full path. Deprecated. Use --lc-messages-dir instead.
--large-pages Enable support for large pages
--lc-messages=name Set the language used for the error messages.
--lc-messages-dir=name
Directory where error messages are
--lc-time-names=name
Set the language used for the month names and the days of
the week.
--local-infile Enable LOAD DATA LOCAL INFILE
(Defaults to on; use --skip-local-infile to disable.)
--lock-wait-timeout=#
Timeout in seconds to wait for a lock before returning an
error.
--log-bin[=name] Log update queries in binary format. Optional (but
strongly recommended to avoid replication problems if
server's hostname changes) argument should be the chosen
location for the binary log files.
--log-bin-index=name
File that holds the names for binary log files.
--log-bin-trust-function-creators
If set to FALSE (the default), then when --log-bin is
used, creation of a stored function (or trigger) is
allowed only to users having the SUPER privilege and only
if this stored function (trigger) may not break binary
logging. Note that if ALL connections to this server
ALWAYS use row-based binary logging, the security issues
do not exist and the binary logging cannot break, so you
can safely set this to TRUE
--log-bin-use-v1-row-events
If equal to 1 then version 1 row events are written to a
row based binary log. If equal to 0, then the latest
version of events are written. This option is useful
during some upgrades.
--log-builtin-as-identified-by-password
Controls logging of CREATE/ALTER/GRANT and SET PASSWORD
user statements in replication binlogs, general query
logs and audit logs.
--log-error[=name] Error log file
--log-error-verbosity=#
How detailed the error log should be. 1, log errors only.
2, log errors and warnings. 3, log errors, warnings, and
notes. Messages sent to the client are unaffected by this
setting.
--log-isam[=name] Log all MyISAM changes to file.
--log-output=name Syntax: log-output=value[,value...], where "value" could
be TABLE, FILE or NONE
--log-queries-not-using-indexes
Log queries that are executed without benefit of any
index to the slow log if it is open
--log-raw Log to general log before any rewriting of the query. For
use in debugging, not production as sensitive information
may be logged.
--log-short-format Don't log extra information to update and slow-query
logs.
--log-slave-updates Tells the slave to log the updates from the slave thread
to the binary log. You will need to turn it on if you
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