Is there any way with this tool, or some other tool, to monitor the
amount of data (in KBytes or the likes) returned by a particular
query?
- John
The first version of MyMonitor is now available in source form on
sourceforge and can be downloaded from:
http://sourceforge.net/projects/mymonitor
The reason for this tool is simple, and it's also a bit different
from other similar tools (at least the ones I've looked at). The
tool gets the output from SHOW PROCESSLIST repeatedly and does some
magic to this to count the number of executions and execution time.
The difference is in how it handles the SQL statement text. Before
somparing the SQL text of a statment to the statements in the
previous run of SHOW PROCESSLIST or to the SQL in an internal list
of frequently accessed SQL statements, it removes any references to
literal values. So the these statements:
SELECT * FROM customer WHERE cust_id = 123;
and
SELECT * FROM customer WHERE cust_id = 123;
Which in SHOW PROCESSLIST is shown as 2 distinct statements are
handled as two executions of the same statement: "SELECT * FROM
customer WHERE cust_id = ?", which is usually how it works anyway.
The output through ncurses, a bit like "top". The collected
statements may also be written to file, and there are a bunch of
other settings, and there is also documentation in shape of a User
Guide in PDF format.
The current version is considered a beta, so comments on porting are
more than welcome. I have so far only run it on a couple of
Linux'es, but there is more to come. ncurses library is required, as
well as the MySQL Client library of course.
Enjoy, and comments are welcome, I hope this tool will turn out useful
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