- Re: [HACKERS] EXISTS optimization
- Optimization pg 8.14 and postgresql.conf
- Strange left outer join performance issue
- Re: Strange left outer join performance issue
- Re: Sunfire X4500 recommendations
- linux - server configuration for small database
- Sunfire X4500 recommendations
- Re: Performance of count(*)
- Lower Random Access Time vs RAID 0 / 1
- Potential memory usage issue
- Re: Potential memory usage issue
- Parallel Vacuum
- Performance of count(*)
- Re: Lower Random Access Time vs RAID 0 / 1
- Re: Performance of count(*)
- Re: Performance of count(*)
- Re: Performance of count(*)
- Re: Performance of count(*)
- Re: Parallel Vacuum
- Determining server load from client
- Horrible trigger performance after upgrade 8.0.12 -> 8.2.3
- Re: how small to split a table?
- Vacuum full is slow
- cache - postgres
- Performance Tuning and Disk Cache
- text equality worse than pattern matching (v8.1.8)
- function call vs staright query
- unsubscribe
- Re: Postgres batch write very slow - what to do
- Dispatch-Merge pattern
- TPC-H Benchmark - hardware
- unsubscribe
- Determine dead tuples size
- Exam:070-229-An Excellent Resource
- test ...please ignore
- Autocommit in libpq
- Postgres batch write very slow - what to do
- Execution plan changed after upgrade from 7.3.9 to 8.2.3
- PostgreSQL in virtual machine
- Deceiding which index to use
- function performance vs in-line sql
- configuring new server / many slow disks?
- When the Record Got Updated.
- compact flash disks?
- problem with wrong query planning and ineffective statistics
- Any advantage to integer vs stored date w. timestamp
- Automated test-suite for Postgres
- Re:
- help
- query slows down after vacuum analyze
- Re: Having performance problems with TSearch2
- strange performance regression between 7.4 and 8.1
- Turning off Autovacuum
- Estimate the size of the SQL file generated by pg_dump utility
- PostgreSQL 8.2.3 VACUUM Timings/Performance
- Hibernate left join
- Array indexes, GIN?
- Improving query performance
- strange performance regression between 7.4 and 8.1
- Identical Queries
- Performance Query
- increasing database connections
- Upgraded to 8.2.3 --- still having performance issues
- performances with Pentium D
- Re: Opinions on Raid
- [kris@obsecurity.org: Anyone interested in improving postgresql scaling?]
- [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]
- Insert performance
- Opinions on Raid
- low memory usage reported by 'top' indicates poor tuning?
- Writting a "search engine" for a pgsql DB
- Vacuumdb - Max_FSM_Pages Problem.
- Server Startup Error
- Query Planner
- invalid page header in block 428 of relation "pg_attribute"
- which Xeon processors don't have the context switching problem
- long checkpoint_timeout
- Re: Very slow bytea data extraction
- Re: Very slow bytea data extraction
- Recommended Initial Settings
- R: Very slow bytea data extraction
- Very slow bytea data extraction
- Vacuum full very slow due to nonremovable dead rows...What makes the dead rows non-removable?
- slow update on 1M rows (worse with indexes)
- Disable result buffering to frontend clients
- General advice on user functions
- Auto-Vacuum in 8.1 was ineffective for me. 8.2 may work better?
- How to avoid vacuuming a huge logging table
- Postgres performance Linux vs FreeBSD
- SELECT performance problem
- slow subselects
- Query Optimization
- How to debug performance problems
- Fwd: Not Picking Index
- Not Picking Index
- strange issue for certain queries
- Slow query with 'or' clause
- Problem with joining queries.
- Re: An unwanted seqscan
- Re: Proximity query with GIST and row estimation
- Re: Proximity query with GIST and row estimation
- Benchmarking PGSQL?
- An unwanted seqscan
- quad or dual core Intel CPUs
- JOIN to a VIEW makes a real slow query
- CPU Usage
- Question about Bitmap Heap Scan/BitmapAnd
- many instances or many databases or many users?
- Re: limit + order by is slow if no rows in result set
- limit + order by is slow if no rows in result set
- pg on 64 bit windows
- Is there an equivalent for Oracle's user_tables.num_rows
- Can anyone make this code tighter? Too slow, Please help!
- cube operations slower than geo_distance() on production server
- Recreate big table
- Disk saturation
- Re: stats collector process high CPU utilization
- Speed up this query
- Help Needed
- Re: How long should it take to insert 200,000records?
- Re: explain analyze output for review (was:optimizing a geo_distance()...)
- Re: explain analyze output for review (was:optimizing a geo_distance()...)
- index scan through a subquery
- How long should it take to insert 200,000 records?
- optimizing a geo_distance() proximity query
- OT: Mac OS X disk buffer cache
- Re: trouble with a join on OS X
- trouble with a join on OS X
- drive configuration for a new server
- Subselect query enhancement
- Using statement_timeout as a performance tool?
- test
- Slow update
- Re: Very slow queries
- Very slow queries
- Re: Querying distinct values from a large table
- Querying distinct values from a large table
- Partitioning
- int4 vs varchar to store ip addr
- [OT] Very strange postgresql behaviour
- work-mem how do I identify the proper size
- work-mem
- IN operator causes sequential scan (vs. multiple OR expressions)
- Seqscan/Indexscan still a known issue?
- Tuning
- Auto Vacuum Problem
- how to plan for vacuum?
- Bad Row Count Estimate on View with 8.2
- Postgres processes have a burst of CPU usage
- extract(field from timestamp) vs date dimension
- slow result
- slow result
- PostgreSQL optimization expert wanted
- Autoanalyze settings with zero scale factor
- Vacuum v/s Autovacuum
- Postgre terribly slow
- Version Change
- DB benchmark and pg config file help
- Re: Configuration Advice
- Monitoring Transaction Log size
- Raid 10 or Raid 5 on Dell PowerEdge
- Table Inheritence and Partioning
- PG8.2.1 choosing slow seqscan over idx scan
- Table Size
- Re: Caching in PostgreSQL
- Caching in PostgreSQL
- FiberChannel cards for FreeBSD on AMD64
- pg_trgm performance
- Re: max() versus order/limit (WAS: High update
- Re: max() versus order/limit (WAS: High update activity, PostgreSQL vs BigDBMS)
- Re:
- Problem with grouping, uses Sort and GroupAggregate, HashAggregate is better(?)
- Performance of Parser?
- Physical separation of tables and indexes - where pg_xlogshould go?
- Large table performance
- Partitioning
- Planner statistics, correlations
- Improving SQL performance
- unusual performance for vac following 8.2 upgrade
- Does it matters the column order in indexes and constraints creation?
- Slow inner join, but left join is fast
- Re: group by will not use an index?
- group by will not use an index?
- High inserts, bulk deletes - autovacuum vs scheduled vacuum
- Re: Horribly slow query/ sequential scan
- Running PG on cluster files systems
- Re: Horribly slow query/ sequential scan
- Horribly slow query/ sequential scan
- MI5 Persecution: Security Service Tribunal Denies
- tweaking under repeatable load
- table partioning performance
- Missing the point of autovacuum
- Re: Partitioning
- Partitioning
- Slow Query on Postgres 8.2
- MI5 Persecution: Communications with Security Service Tribunal in 1999
- PostgreSQL to host e-mail?
- MI5 Persecution: Eye Say, and Lord Gnome Answers
- MI5 Persecution: Counter-surveillance sweep by Nationwide Investigations Group
- Trivial function query optimized badly
- Performance of PostgreSQL on Windows vs Linux
- More 8.2 client issues (Was: [Slow dump?)
- Max Connections to a New Hardware
- Slow dump?
- Config parameters
- what work_mem needs a query needs?
- glibc double-free error
- Worse perfomance on 8.2.0 than on 7.4.14
- Re: Worse perfomance on 8.2.0 than on 7.4.14
- Re: Backup/Restore too slow
- Postgresql Configutation and overflow
- performance implications of binary placement
- Postgresql Configutation and overflow
- High update activity, PostgreSQL vs BigDBMS
- Re: [GENERAL] Need Help
- Re: [NOVICE] Partitioning
- Questions about planner methods
- What you would consider as heavy traffic?
- URGENT: Out of disk space pg_xlog
- Question: Clustering & Load Balancing
- GROUP BY vs DISTINCT
- max_fsm_pages and check_points
- Inner join vs where-clause subquery
- Query plan changing when queried data does not
- transaction ID wrap limit
- Optimizing timestamp queries? Inefficient Overlaps?
- Scaling concerns
- partition text/varchar check problem
- opportunity to benchmark a quad core Xeon
- Dell 2900/Xeon 5000 ?
- unsubscribe
- EXPLAIN ANALYZE on 8.2
- Two tables in one
- Optimizing a query
- strange query behavior
- Insertion to temp table deteriorating over time
- Slow update with simple query
- really quick multiple inserts can use COPY?
- Re: really quick multiple inserts can use COPY?
- Re: really quick multiple inserts can use COPY?
- Looking for hw suggestions for high concurrency OLTP app
- Re: Postgresql - Threshold value.
- Re: Postgresql - Threshold value.
- Postgresql - Threshold value.
- New to PostgreSQL, performance considerations
- Re: Low throughput of binary inserts from windows to linux
- Advice on selecting good values for work_mem?
- Re: Advice on selecting good values for work_mem?
- How to determine if my setting for shared_buffers is too high?
- One table is very slow, but replicated table (same data) is fine