Postgresql Performance
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- Re: H800 + md1200 Performance problem, (continued)
- TCP Overhead on Local Loopback,
Ofer Israeli
- Tablespaces on a raid configuration,
Campbell, Lance
- database slowdown while a lot of inserts occur,
Campbell, Lance
- Distinct + Limit,
Francois Deliege
- Linux machine aggressively clearing cache,
Joshua Berkus
- anyone tried to use hoard allocator?,
Tomas Vondra
- Determining working set size,
Peter van Hardenberg
- Sudden Query slowdown on our Postgresql Server,
Sebastian Melchior
- Write workload is causing severe slowdown in Production,
Gnanakumar
- timing != log duration,
Rafael Martinez
- DBD-Pg prepared statement versus plain execution,
Rafael Martinez
- slow self-join query,
Robert Poor
Obtaining resource usage statistics from execution? (v 9.1),
Karl Denninger
Shared memory for large PostGIS operations,
maplabs
index choosing problem,
Rural Hunter
Gin index insert performance issue,
Rural Hunter
Feature Request: No pg_dump lock on unlogged tables,
McGehee, Robert
Tuning wizard,
Michael Kopljan
count on transaction ID,
ddgs
Advice on Controller card for SAS disks,
See Sing Lau
Comments requested on IO performance : new db server,
Rory Campbell-Lange
Repeat execution of stable expressions,
Merlin Moncure
SSD and RAID,
Mark Kirkwood
Partitioning / Strange optimizer behaviour,
Marc Schablewski
Advice sought : new database server,
Rory Campbell-Lange
...WHERE TRUE" condition in union results in bad query pla,
Claus Stadler
efficient data reduction (and deduping),
Alessandro Gagliardi
Bad estimation for "where field not in",
Daniele Varrazzo
[planner] Ignore "order by" in subselect if parrent do count(*),
Marcin Mirosław
Inefficient min/max against partition (ver 9.1.1),
McGehee, Robert
Performance of SQL Function versus View,
Igor Schtein
Large insert and delete batches,
Anssi Kääriäinen
problems with set_config, work_mem, maintenance_work_mem, and sorting,
Jon Nelson
Joining tables by UUID field - very slow,
Cherio
Index condition in a Nested Loop,
Mark Hills
PG as in-memory db? How to warm up and re-populate buffers? How to read in all tuples into memory?,
Stefan Keller
Disable-spinlocks while compiling postgres 9.1 for ARM Cortex A8,
Jayashankar K B
set autovacuum=off,
Alessandro Gagliardi
: Cost calculation for EXPLAIN output,
Venkat Balaji
Very long deletion time on a 200 GB database,
Reuven M. Lerner
- Re: Very long deletion time on a 200 GB database,
Glyn Astill
- Re: Very long deletion time on a 200 GB database,
Marcin Mańk
- Re: Very long deletion time on a 200 GB database,
Richard Huxton
- Re: Very long deletion time on a 200 GB database,
Claudio Freire
- Re: Very long deletion time on a 200 GB database,
Steve Crawford
- Re: Very long deletion time on a 200 GB database,
Shaun Thomas
- Re: Very long deletion time on a 200 GB database,
Tom Lane
- Re: Very long deletion time on a 200 GB database,
Jesper Krogh
- Re: Very long deletion time on a 200 GB database,
Steve Crawford
- Re: Very long deletion time on a 200 GB database,
Jeff Janes
Indexes and Primary Keys on Rapidly Growing Tables,
Alessandro Gagliardi
Insertions slower than Updates?,
Ofer Israeli
Query slow as Function,
Steve Horn
Optimizer is not choosing index,
Markus Innerebner
Fwd: [HACKERS] client performance v.s. server statistics,
Zhou Han
UPDATE on NOT JOIN,
Gabriel Biberian
Performance on large, append-only tables,
David Yeu
- Re: Performance on large, append-only tables,
Merlin Moncure
- Re: Performance on large, append-only tables,
Claudio Freire
- Re: Performance on large, append-only tables,
Marti Raudsepp
- Re: Performance on large, append-only tables,
Tom Lane
- Re: Performance on large, append-only tables,
Kevin Grittner
- <Possible follow-ups>
- Re: Performance on large, append-only tables,
David Yeu
timestamp with time zone,
Alessandro Gagliardi
Vacuuming problems on TOAST table,
Ofer Israeli
index scan forward vs backward = speed difference of 357X slower!,
Kevin Traster
random_page_cost = 2.0 on Heroku Postgres,
Peter van Hardenberg
Inserts or Updates,
Ofer Israeli
text search: tablescan cost for a tsvector,
Marc Mamin
how to demonstrate the effect of direct I/O ?,
Tomas Vondra
Re: How to improve insert speed with index on text column,
Kevin Grittner
*really* bad insert performance on table with unique index,
Jon Nelson
Index with all necessary columns - Postgres vs MSSQL,
Gudmundur Johannesson
From Simple to Complex,
Alessandro Gagliardi
How to remove a table statistics ?,
Marc Mamin
rough benchmarks, sata vs. ssd,
CSS
Why should such a simple query over indexed columns be so slow?,
Alessandro Gagliardi
How to improve insert speed with index on text column,
Saurabh
Having I/O problems in simple virtualized environment,
Ron Arts
regarding CLUSTER and HUGE work_mem / maintenance_work_mem,
Jon Nelson
Postgress is taking lot of CPU on our embedded hardware.,
Jayashankar K B
pl/pgsql functions outperforming sql ones?,
Carlo Stonebanks
Re: PostgreSQL Parallel Processing !,
sridhar bamandlapally
Cursor fetch performance issue,
Tony Capobianco
Can lots of small writes badly hamper reads from other tables?,
Dave Crooke
spikes in pgbench read-only results,
Tomas Vondra
when benchmarking insert , can there be caching effects?,
Willy-Bas Loos
Discovering the most searched values for a field,
alexandre - aldeia digital
auto vacuum, not working?,
Anibal David Acosta
wal_level=archive gives better performance than minimal - why?,
Tomas Vondra
Partitioning by status?,
Mike Blackwell
Query planner doesn't use index scan on tsvector GIN index if LIMIT is specified,
darklow
Query planner doesn't use index scan on tsvector GIN index if LIMIT is specifiedQuery planner doesn't use index scan on tsvector GIN index if LIMIT is specified,
darklow
Duplicate deletion optimizations,
antoine
Cost estimate vs. actual - do I care?,
Jay Levitt
Query performance - normal on 9.0.4, slow from 9.0.5 onwards,
Miguel Silva
partitioned table: differents plans, slow on some situations,
Matteo Sgalaberni
Postgresql Replication Performance,
sgupta
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