Re: backup manifests
| От | Andrew Dunstan |
|---|---|
| Тема | Re: backup manifests |
| Дата | |
| Msg-id | f2fb57c2-027b-ac0c-583c-738188ebc850@2ndQuadrant.com обсуждение исходный текст |
| Ответ на | Re: backup manifests (Rushabh Lathia <rushabh.lathia@gmail.com>) |
| Ответы |
Re: backup manifests
Re: backup manifests |
| Список | pgsql-hackers |
On 11/19/19 5:00 AM, Rushabh Lathia wrote: > > > My colleague Suraj did testing and noticed the performance impact > with the checksums. On further testing, he found that specifically with > sha its more of performance impact. > > I admit I haven't been following along closely, but why do we need a cryptographic checksum here instead of, say, a CRC? Do we think that somehow the checksum might be forged? Use of cryptographic hashes as general purpose checksums has become far too common IMNSHO. cheers andrew -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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