| From: | "Bossart, Nathan" <bossartn(at)amazon(dot)com> |
|---|---|
| To: | Dipesh Pandit <dipesh(dot)pandit(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Jeevan Ladhe <jeevan(dot)ladhe(at)enterprisedb(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Hannu Krosing <hannuk(at)google(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: .ready and .done files considered harmful |
| Date: | 2021-09-14 18:07:31 |
| Message-ID: | 1C74E389-64A7-45AB-826F-8379768A6853@amazon.com |
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| Lists: | pgsql-hackers |
On 9/14/21, 9:18 AM, "Bossart, Nathan" <bossartn(at)amazon(dot)com> wrote:
> This is an interesting idea, but the "else" block here seems prone to
> race conditions. I think we'd have to hold arch_lck to prevent that.
> But as I mentioned above, if we are okay with depending on the
> fallback directory scans, I think we can remove the "else" block
> completely.
Thinking further, we probably need to hold a lock even when we are
creating the .ready file to avoid race conditions.
Nathan
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