Alexander Barkov wrote:
Matthew Sullivan wrote:mysql> explain select * from ndict6 where (word_id='-175892837');
>
> Alexander Barkov wrote:
>
> > Matthew Sullivan wrote:
> > >
> > > Alexander Barkov wrote:
> > >
> > > > How many records in ndict4, ndict6 tables?
> > > >
> > > > Find an information on how to make search faster in doc/performance.txt
> > > >
> > > > Matthew Sullivan wrote:
> > > > > ndict4 contains 2051909 rows
> > > > > ndict6 contains 1415176 rows
> >
> > Big enough. Try to sort tables content as it described in
> > performance.txt
>
> Already done this... (I run optimize.sh after every db update)Check what does MySQL report for "EXPLAIN SELECT * FROM ndict4 WHERE
word_id=XXX"
Probably something wrong with indexes.
+--------+------+---------------+----------+---------+------------+------+-------+
| table | type | possible_keys | key | key_len | ref | rows | Extra |
+--------+------+---------------+----------+---------+------------+------+-------+
| ndict6 | ref | word_id6 | word_id6 | 4 | -175892837 | 2406 | |
+--------+------+---------------+----------+---------+------------+------+-------+
1 row in set (0.01 sec)
mysql>
(this is cached in memory)
mysql> explain select * from ndict7 where (word_id='2082865617');
+--------+------+---------------+----------+---------+------------+------+-------+
| table | type | possible_keys | key
| key_len | ref | rows | Extra
|
+--------+------+---------------+----------+---------+------------+------+-------+
| ndict7 | ref | word_id7 |
word_id7 | 4 | 2082865617 |
19 | |
+--------+------+---------------+----------+---------+------------+------+-------+
1 row in set (0.02 sec)
mysql>
This wasn't....
--
Yours
Matthew
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Any connection between your reality and mine is purely coincidental.
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