Re: MySQL not using optimum disk throughput.

2005-05-06 Thread John David Duncan
And no performance diff. Note that you're benchmarks only show a 20M addition overhead. We're about 60x too slow for these drives so I'm not sure what could be going on here :-/ I know of a site that encountered a similar performance issue: The OS was reading in a lot more data from the disk th

Re: find out who was online at a given time

2004-07-22 Thread John David Duncan
Actually, I DID want to use an "IN" and not a "BETWEEN". What I was doing was picking the two boundary times around a given point in time so once I got those numbers, I wanted to get both records. Ah, yes, I see I didn't really understand it the first time -- and using IDs instead of timestamps i

find out who was online at a given time

2004-07-22 Thread John David Duncan
, where the call as stored as a line between the start point and the stop point, and the query is treated as a search for lines containing a certain point.) - JD -- John David Duncan, Consulting Engineer MySQL AB, www.mysql.com Office: +1 415 664-7396 -- MySQL General Mailing List For li

key_reads > key_read_requests

2004-01-29 Thread John David Duncan
Hi, key_reads is usually a small fraction of key_read_requests, but in the case of the server below, key_reads is actually GREATER than key_read_requests. Can anyone explain what would cause that to happen? - JD mysql> show status like 'key%'; ++---+ | Variable_name

query cache hits not counted in Com_select

2003-03-08 Thread John David Duncan
In MySQL 4.0, query cache hits are counted in Qcache_hits, but not in Com_select. The documentation for Com_select implies that they should be there. Is this the intended behavior, or is it a bug? - JD - Before posting, plea

network commit

2002-12-10 Thread John David Duncan
Hello, I am wondering about the case where a client sends mysql_query("commit") but never gets a response. Is the transaction complete, or not? Perhaps the "commit" was lost in the network -- but, on the other hand, perhaps the server committed the transaction and the reply was lost in the net

Re: Mysqld/FreeBSD 4.3 stuck in kernel

2001-09-04 Thread John David Duncan
----- John David Duncan Systems Administrator Great Schools, Inc. - Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive)