Re: [PERFORM] Decide between Postgresql and Mysql (help of

2006-03-28 Thread Chris Travers
It is impossible to provide an estimate for capacity though without knowing the app in question, expected query composition, and so forth. Best Wishes, Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 4: Have you searche

Re: [PERFORM] firebird X postgresql 8.1.2 windows, performance comparison

2006-03-18 Thread Chris Travers
cache, etc. But that would not provide any indication of scalability. Best Wishes, Chris Travers Metatron Technology Consulting begin:vcard fn:Chris Travers n:Travers;Chris email;internet:[EMAIL PROTECTED] tel;work:509-888-0220 tel;cell:509-630-9974 x-mozilla-html:FALSE version:2.1

Re: [PERFORM] Massive performance issues

2005-09-02 Thread Chris Travers
take responsibility for anyone trying these and running into trouble. Best Wishes, Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 2: Don't 'kill -9' the postmaster

Re: [PERFORM] Need indexes on empty tables for good performance ?

2005-08-30 Thread Chris Travers
the inheritance process, iirc. However, index entries are not inherited, which means that index-based unique constraints don't properly get inherited. Best Wishes, Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 3:

Re: [PERFORM] Need indexes on empty tables for good performance ?

2005-08-30 Thread Chris Travers
h a way to tell the planner that an empty table is expected not to grow? Otherwise, I can see nightmares in a data warehouse environment where you have an empty parent table... Best Wishes, Chris Travers Metatron Technology Consulting begin:vcard fn:Chris Travers n:Travers;Chris email;internet:[

Re: [PERFORM] Performance for relative large DB

2005-08-26 Thread Chris Travers
replication built in which are based on PostgreSQL and licensed under proprietary licenses. Best Wishes, Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 2: Don't 'kill -9' the postmaster

Re: [PERFORM] Left joining against two empty tables makes a query

2005-07-28 Thread Chris Travers
ll the database performance quite easily. Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your

Re: [PERFORM] Left joining against two empty tables makes a query

2005-07-28 Thread Chris Travers
test. Normally I do: vacuum analyze; reindex database ; Secondly, the project table has *never* had anything in it. So where are these numbers coming from? Best Wishes, Chris Travers Metatron Technology Consulting ---(end of broadcast)--- TIP 1

[PERFORM] Left joining against two empty tables makes a query SLOW

2005-07-27 Thread Chris Travers
Filter: (customer_id = 11373) -> Index Scan using acc_trans_trans_id_key on acc_trans ac (cost=0.00..7.41 rows=8 width=12) (actual time=0.051..0.097 rows=10 loops=1) Index Cond: ("outer".max = ac.trans_id) Total runtime: 131.87

Re: [PERFORM] Trigger question

2004-01-16 Thread Chris Travers
ers or conditional rules. Best Wishes, Chris Travers ---(end of broadcast)--- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]

Re: [PERFORM] about performance of postgreSQL

2003-08-14 Thread Chris Travers
to take a close look at many of the posts on the Performance list (searching the archives) and paying attention to things such as effective_cache_size and shared_buffers. If these don't answer your questions, ask this list again. Best Wishes, Chris Travers xin fu wrote: > Dear master:

Re: [PERFORM] Moving postgresql.conf tunables into 2003...

2003-07-07 Thread Chris Travers
velopment of performance tuning tools for the server. This would be a big win for the project. Unfortunately I am not knowledgable on this topic to really do this subject justice. Best Wishes, Chris Travers ---(end of broadcast)--- TIP 2: y