| From: | vignesh C <vignesh21(at)gmail(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Robert Haas <robertmhaas(at)gmail(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, David Steele <david(at)pgmasters(dot)net>, Claudio Freire <klaussfreire(at)gmail(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Pavan Deolasee <pavan(dot)deolasee(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] Block level parallel vacuum |
| Date: | 2019-10-04 11:55:15 |
| Message-ID: | CALDaNm2w8DvUorYGs0qGfDoHpZKfAe7nbH6GwZPGvZ7SxApehw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Oct 4, 2019 at 4:18 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> On Wed, Oct 2, 2019 at 7:29 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>>
>> On Sat, Sep 21, 2019 at 9:31 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>> >
One comment:
We can check if parallel_workers is within range something within
MAX_PARALLEL_WORKER_LIMIT.
+ int parallel_workers = 0;
+
+ if (optarg != NULL)
+ {
+ parallel_workers = atoi(optarg);
+ if (parallel_workers <= 0)
+ {
+ pg_log_error("number of parallel workers must be at least 1");
+ exit(1);
+ }
+ }
Regards,
Vignesh
EnterpriseDB: http://www.enterprisedb.com
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