Since version 2.1.1-beta, Sphinx uses double-buffering to avoid INSERT stalls. When data isbeing dumped to disk, the second buffer is used, so further INSERTswon't be delayed. The second buffer is defined to be 10% the sizeof the standard buffer, rt_mem_limit,but future versions of Sphinx may allow configuring this further.
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Added in version 2.0.2-beta, this is currently a placeholderquery that does nothing and reports success. That is in orderto keep compatibility with frameworks and connectors thatautomatically execute this statement.
SET NAMES statement and SET @@variable_name syntax, both introducedin version 2.0.2-beta, do nothing. They were implemented to maintaincompatibility with 3rd party MySQL client libraries, connectors,and frameworks that may need to run this statement when connecting.
SET TRANSACTION statement, introduced in version 2.0.2-beta, does nothing.It was implemented to maintain compatibility with 3rd party MySQL clientlibraries, connectors, and frameworks that may need to run this statementwhen connecting.
SHOW VARIABLES statement was added in version 2.0.1-betato improve compatibility with 3rd party MySQL connectors and frameworksthat automatically execute this statement. The WHERE option was added inversion 2.1.1-beta.
Added in version 2.0.1-beta, this is currently a placeholderquery that does nothing and reports success. That is in orderto keep compatibility with frameworks and connectors thatautomatically execute this statement.
Added in version 2.1.1-beta, this is currently a placeholderquery that does nothing and reports that a UTF-8 character setis available. It was added in orderto keep compatibility with frameworks and connectors thatautomatically execute this statement.
SHOW PROFILE statement, added in version 2.1.1-beta, shows a detailedexecution profile of the previous SQL statement executed in the currentSphinxQL session. Also, profiling must be enabled in the current sessionbefore running the statement to be instrumented. That can be donewith a SET profiling=1 statement. By default, profilingis disabled to avoid potential performance implications, and thereforethe profile will be empty.
There can be multiple listen directives, searchd willlisten for client connections on all specified ports and sockets. Ifno listen directives are found then the server will listenon all available interfaces using the default SphinxAPI port 9312.Starting with 1.10-beta, it will also listen on default SphinxQLport 9306. Both port numbers are assigned by IANA (see -numbersfor details) and should therefore be available. 2ff7e9595c
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