Postgresql Performance
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Multi processor server overloads occationally with system process while running postgresql-9.4,
ajaykbs
dump restoration performance,
rlemaroi
Performance problem with gin index,
Bertrand Paquet
Another parallel postgres project...,
Graeme B. Bell
Queries Per Second (QPS),
Adam Scott
Occasional Really Slow Running Updates/Inserts,
Dave Stibrany
degrading inser performance,
Eildert Groeneveld
VACUUM VERBOSE ANALYZE taking long time to process.,
anil7385
Announcing the public availability of the TPCx-V prototype,
Reza Taheri
Server slowing down over time,
Jean Cavallo
query with pg_trgm sometimes very slow,
Volker Böhm
PostgreSQL Tuning for Messaging/Messenger/Chatting Application,
FattahRozzaq
Query > 1000× slowdown after adding datetime comparison,
twoflower
is there any way we can push join predicate into inner table,
=?gb18030?b?sKTM38jL?=
Index creation running now for 14 hours,
Tory M Blue
Gist indexing performance with cidr types,
Henrik Thostrup Jensen
Long running query: How to monitor the progress,
Johann Spies
problem with select *,
bhuvan Mitra
query not using GIN index,
Guo, Yun
Performance bottleneck due to array manipulation,
Genc, Ömer
Most efficient way of querying M 'related' tables where N out of M may contain the key,
Stephane Bailliez
Strange query stalls on replica in 9.3.9,
Josh Berkus
Re: Strange query stalls on replica in 9.3.9,
Jeff Janes
Query Plan Performance on Partitioned Table,
Rural Hunter
Slow HashAggregate/cache access,
Alexandre de Arruda Paes
Performance issue with NestedLoop query,
Ram N
incredible surprise news from intel/micron right now...,
Graeme B. Bell
autofreeze/vacuuming - avoiding the random performance hit,
Graeme B. Bell
Any ideas how can I speed up this query?,
Priyank Tiwari
Are many idle connections bad?,
Craig James
bitmap heap scan recheck for gin/fts with no lossy blocks,
Laurent Debacker
parallelisation provides postgres performance (script example + ppt slides),
Graeme B. Bell
How to find the culprit in server load spikes?,
Moreno Andreo
hyperthreadin low performance,
Jeison Bedoya Delgado
Insert vs Update,
Robert DiFalco
Re: [ADMIN] could not create shared memory segment: Invalid argument,
Ryan King - NOAA Affiliate
Query planner not using indexes with JOIN query and OR clause,
Ben Hoyt
QUERY PLANNER - Indexe mono column VS composite Index,
Nicolas Paris
Re: [BUGS] BUG #13493: pl/pgsql doesn't scale with cpus (PG9.3, 9.4),
Graeme B. Bell
pg_stat_all_indexes understand,
Nicolas Paris
Hmmm... why does CPU-intensive pl/pgsql code parallelise so badly when queries parallelise fine? Anyone else seen this?,
Graeme B. Bell
wildcard text filter switched to boolean column, performance is way worse,
Mike Broers
9.5alpha1 vs 9.4,
Mkrtchyan, Tigran
<Possible follow-ups>
Re: 9.5alpha1 vs 9.4,
Mkrtchyan, Tigran
Hmmm... why does pl/pgsql code parallelise so badly when queries parallelise fine? Anyone else seen this?,
Graeme B. Bell
New server: SSD/RAID recommendations?,
Craig James
Sudden connection and load average spikes with postgresql 9.3,
eudald_v
Re: Sudden connection and load average spikes with postgresql 9.3,
Scott Marlowe
Does anyone have python code which digests pgbench -r output?,
Josh Berkus
pgbouncer issue,
Sheena, Prabhjot
Slow query (planner insisting on using 'external merge' sort type),
Ian Pushee
Techniques to Avoid Temp Files,
Duane Murphy
How to calculate statistics for one column,
Irineu Ruiz
PGBOUNCER ISSUE PLEASE HELP(Slowing down the site),
Sheena, Prabhjot
Do work_mem and shared buffers have 1g or 2g limit on 64 bit linux?,
Kaijiang Chen
Are there tuning parameters that don't take effect immediately?,
Michael Nolan
pg bouncer issue what does sv_used column means,
Sheena, Prabhjot
Slow query: Postgres chooses nested loop over hash join, whery by hash join is much faster, wrong number of rows estimated,
Sasa Vilic
Row estimates off by two orders of magnitude with hstore,
Patrick Krecker
Slow query - lots of temporary files.,
Johann Spies
Query running slow for only one specific id. (Postgres 9.3) version,
Sheena, Prabhjot
Need more IOPS? This should get you drooling... (5xnvme drives),
Graeme B. Bell
How to reduce writing on disk ? (90 gb on pgsql_tmp),
ben.play
Connection time when using SSL,
Marco Di Cesare
Slow hash join performance with many batches,
Alex Adriaanse
Postmaster eating up all my cpu,
birimblongas
Fwd: Postgres is using 100% CPU,
Ashik S L
Different plan for very similar queries,
Peter J. Holzer
Partitioning and performance,
Ravi Krishna
Fastest Backup & Restore for perf testing,
Wes Vaske (wvaske)
ERROR: missing chunk number 0 for toast value 1821556134 in pg_toast_17881,
Tory M Blue
MAX() and multi-column index on a partitioned table?,
Dave Johansen
union all and filter / index scan -> seq scan,
Florian Lohoff
How to clean/truncate / VACUUM FULL pg_largeobject without (much) downtime?,
Muthusamy, Sivaraman
optimization join on random value,
Anton Bushmelev
Index Scan Backward Slow,
David Osborne
PostgreSQL disk fragmentation causes performance problems on Windows,
Jan Gunnar Dyrset
Postgresql Host Swapping Hard With Abundant Free Memory,
Christian Gough
Query plan with missing timespans,
Andomar
extract(year from date) doesn't use index but maybe could?,
Jon Dufresne
Performance of vacuumlo,
Andreas Joseph Krogh
Cannot get query to use btree-gin index when ORDER BY,
Andreas Joseph Krogh
NVMe or AHCI PCI-express? A comment for people benchmarking...,
Graeme B. Bell
Poor performing query re-write using tsrange index,
Burgess, Freddie
Can't get Dell PE T420 (Perc H710) perform better than a MacMini with PostgreSQL,
Pietro Pugni
Re: Can't get Dell PE T420 (Perc H710) perform better than a MacMini with PostgreSQL,
Gerardo Herzig
Some performance testing?,
Josh Berkus
<Possible follow-ups>
Re: Some performance testing?,
Graeme B. Bell
Weird CASE WHEN behaviour causing query to be suddenly very slow,
Kevin Viraud
query faster with a foreign table,
Dominique Vallée
Index only scan sometimes switches to sequential scan for small amount of rows,
Feike Steenbergen
Query RE: Optimising UUID Lookups,
Roland Dunn
Re: [GENERAL] Re: [pgadmin-support] Issue with a hanging apply process on the replica db after vacuum works on primary,
Sergey Shchukin
Merge Join chooses very slow index scan,
Jake Magner
Hardware Configuration and other Stuff,
Vivekanand Joshi
views much slower in 9.3 than 8.4,
Carson, Leonard
Very slow checkpoints,
Steven Jones
Best VPS provider for running performant PostgreSQL database server,
Some Developer
MusicBrainz postgres performance issues,
Robert Kaye
Postgres inconsistent use of Index vs. Seq Scan,
Jim Carroll
Anyone have experience using PG on a NetApp All-Flash FAS8000?,
Mel Llaguno
How to get explain plan to prefer Hash Join,
atxcanadian
CREATE INDEX uses INDEX ?,
Nicolas Paris
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