On Mon, 2005-05-30 at 07:59 +0300, Michael Veksler wrote: > > > > > > Daniel Berlin <[EMAIL PROTECTED]> wrote on 30/05/2005 06:41:54: > > > On Sun, 2005-05-29 at 12:50 +0200, Giovanni Bajo wrote: > > > Michael Veksler <[EMAIL PROTECTED]> wrote: > > > > > > > 3. Nontrivial search of GCC Bugzilla are, sometimes, > > > > extremely slow (over a minute). > > > > > > 3 could be worked on (Daniel?) > > > > Send me the URL's for the buglists and i'll look at the queries (The url > > for the buglist contains the query). > > > > A lot of this is mysql's query engine being stupid, and is hopefully > > fixed in 4.x or 5.x (sourceware is still on 3.x). > > > > I'm happy to optimize the searchs as best i can (by adding lame extra > > indexes if necessary :P) > > It is difficult to reproduce because behavior changes over time. > 2 hours ago I was getting time-out even for: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21808
This may be server load in that case (new hardware is in the process of being acquired). > > Now, it takes about 2 seconds. > > Here is a synthetic test query that take only 15 seconds ATM: > > http://gcc.gnu.org/bugzilla/buglist.cgi?query_format=&short_desc_type=allwordssubstr&short_desc=&known_to_fail_type=allwordssubstr&known_to_work_type=allwordssubstr&long_desc_type=allwordssubstr&long_desc=float-store+ICE&bug_file_loc_type=allwordssubstr&bug_file_loc=&gcchost_type=allwordssubstr&gcchost=&gcctarget_type=allwordssubstr&gcctarget=&gccbuild_type=allwordssubstr&gccbuild=&keywords_type=allwords&keywords=&bug_status=RESOLVED&bug_status=CLOSED&emailassigned_to1=1&emailreporter1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&votes=&chfieldfrom=&chfieldto=Now&chfieldvalue=&cmdtype=doit&order=Bug+Number&field0-0-0=noop&type0-0-0=noop&value0-0-0= Comment searches don't currently take advantage of the fulltext index on the comments, and mysql isn't particulary good at them. I'm looking into it.
