Re: IO scheduler recommendation

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От Imre Samu
Тема Re: IO scheduler recommendation
Дата
Msg-id CAJnEWwnDQ8Twr7F2GEzep_+rmzcEDuu322EuB64PrauBPxGwww@mail.gmail.com
обсуждение исходный текст
Ответ на IO scheduler recommendation  ("AB_ba#" <bharti.anup@gmail.com>)
Ответы Re: IO scheduler recommendation  (Arni Kromić <arni.kromic@bios-ict.hr>)
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Дерево обсуждения
Phoronix website has some performance testing.

for example:  (2018 Dec)  "Linux 4.20 I/O Scheduler Benchmarks On NVMe SSD Storage"
"BFQ also picked up wins on the Samsung 970 EVO SSD when running the PostgreSQL database server."

(2017)"Linux 4.12 I/O Scheduler Benchmarks: BFQ, Kyber, Etc"
"The default CFQ I/O scheduler on this SATA 3.0 SSD system remained the fastest for this PostgreSQL benchmark."

Imre


AB_ba# <bharti.anup@gmail.com> ezt írta (időpont: 2019. jan. 21., H, 12:05):
Hello ,

I searched the complete PostgreSQL Documentation but didn't get anything with respect to IO scheduler recommendation.
What is being recommended by PostgreSQL ?
Which is the best IO scheduler considering the Data is hosted on NFS?


--
Thanks and Regards
ANUP BHARTI

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