&ini.descriptions.title;
mysqlnd_qc.enable_qcinteger
Enables or disables the plugin. If disabled the extension will not plug
into
mysqlnd to proxy internal
mysqlnd C API calls.
mysqlnd_qc.ttlinteger
Default Time-to-Live (TTL) for cache entries in seconds.
mysqlnd_qc.cache_by_defaultinteger
Cache all queries regardless if they begin with the SQL hint that
enables caching of a query or not. Storage handler cannot overrule
the setting. It is evaluated by the core of the plugin.
mysqlnd_qc.cache_no_tableinteger
Whether to cache queries with no table name in any of columns meta data
of their result set, for example,
SELECT SLEEP(1), SELECT NOW(),
SELECT SUBSTRING().
mysqlnd_qc.use_request_timeinteger
Use PHP global request time to avoid
gettimeofday() system calls?
If using
APC
storage handler
it should be set to the value of
apc.use_request_time
, if not
warnings will be generated.
mysqlnd_qc.time_statisticsinteger
Collect run time and store time statistics using
gettimeofday() system call? Data will be
collected only if you also set
mysqlnd_qc.collect_statistics = 1,
mysqlnd_qc.collect_statisticsinteger
Collect statistics for
mysqlnd_qc_get_core_stats?
Does not influence storage handler statistics! Handler statistics
can be an integral part of the handler internal storage format.
Therefore, collection of some handler statistics cannot be disabled.
mysqlnd_qc.collect_statistics-log-fileinteger
If mysqlnd_qc.collect_statistics and
mysqlnd_qc.collect_statistics_log_file
are set, the plugin will dump statistics into the specified
log file at every 10th web request during PHP request shutdown.
The log file needs to be writable by the web server user.
Since 1.1.0.
mysqlnd_qc.collect_query_traceinteger
Collect query back traces?
mysqlnd_qc.query_trace_bt_depthinteger
Maximum depth/level of a query code backtrace.
mysqlnd_qc.ignore_sql_commentsinteger
Whether to remove SQL comments from a query string before
hashing it to generate a cache key. Disable if you do not want
two statemts such as SELECT /*my_source_ip=123*/ id FROM test
and SELECT /*my_source_ip=456*/ id FROM test to refer
to the same cache entry.
Since 1.1.0.
mysqlnd_qc.slam_defenseinteger
Activates handler based slam defense (cache stampeding protection) if available.
Supported by
Default and
APC
storage handler
mysqlnd_qc.slam_defense_ttlintegerTTL for stale cache entries which are
served while another client updates the entries. Supported by
APC
storage handler.
mysqlnd_qc.collect_normalized_query_traceinteger
Collect aggregated normalized query traces? The setting
has no effect by default. You compile the extension
using the define
NORM_QUERY_TRACE_LOG to make use of the setting.
mysqlnd_qc.std_data_copyinteger
Default storage handler: copy cached wire data?
EXPERIMENTAL – use default setting!
mysqlnd_qc.apc_prefixstring
The
APC
storage handler stores data in the
APC user cache. The setting sets a prefix to be
used for cache entries.
mysqlnd_qc.memc_serverstringMEMCACHE storage handler: memcache server host.
mysqlnd_qc.memc_portintegerMEMCACHE storage handler: memcached server port.
mysqlnd_qc.sqlite_data_filestringsqlite storage handler: data file. Any setting
but :memory: may be of little practical value.