Re: [GENERAL] Postgres in government

2005-05-19 Thread P.J. \Josh\ Rovero
The NOAA National Data Buoy Center is a government customer (there are many commercial customers) for our wXstation(R) product, which uses PostgreSQL as its database. The number of government customers may increase dramatically in the near future. -- P. J. Josh Rovero

Re: [GENERAL] Postgresql and Athlon64 ?

2005-01-31 Thread P.J. \Josh\ Rovero
It runs fine, and is quite peppy an Fedora Core 2 for AMD 64. I have not run into any problems. NTPT wrote: Will I have some advantages, better performance etc using postgres 7.4 or postgres 8.x on Athlon64 system with 64 bit Linux distro ?Are there asome benchmark available or someone personal

Re: [GENERAL] Performance tuning on RedHat Enterprise Linux 3

2004-12-07 Thread P.J. \Josh\ Rovero
There are many reports of kernel problems with memory allocation (too agressive) and swap issues with RHEL 3.0 on both RAID and non-RAID systems. I hope folks have worked through all those issues before blaming postgresql. Tom Lane wrote: If I thought that a 200% error in memory usage were cause

Re: [GENERAL] Reuse of Subselects

2004-02-17 Thread P.J. \Josh\ Rovero
temporary tables work. Save the complicated subselect in temporary table, following queries just simple select on temp table. Holger Marzen wrote: Hi all, if I have something like this: SELECT column1, (... complicated subselect ...), column1 - (... same subselect as above ...)

[GENERAL] Glacial deletes (fixed), now glacial lo vacuum

2001-09-05 Thread P.J. \Josh\ Rovero
Thanks to all who suggested indexing; I added an index to the running database, and delete performance immediately increased by a factor or 10. The problem now is that when I vacuum verbose analyze, the pg_largeobject system table takes *forever* (tens of minutes). A new postmaster seems to be

[GENERAL] glacial deletes (long)

2001-08-30 Thread P.J. \Josh\ Rovero
Looking for some hints on how to speed up deletes Thanks in advance Using PostgreSQL 7.1.2 on hppa2.0-hp-hpux10.20, compiled by GCC 2.95.3 (2 processors) Have a file record wx_grib_file, with data stored as large object. The rule wx_grib_file_delete does the lo_unlink on grib_file_id.