From: Eric Wong <e@80x24.org>
To: mwrap-perl@80x24.org
Subject: [PATCH 0/2] support file-backed mmap on Linux
Date: Wed, 30 Nov 2022 06:49:28 +0000 [thread overview]
Message-ID: <20221130064930.5239-1-e@80x24.org> (raw)
Modern Linux has O_TMPFILE which makes dealing with temporary
files much easier, especially when we can't use tmpfile(3)
before malloc is initialized.
I needed these two patches to pack an objstore for linux.git
containing 771 remotes and over 500k refs without OOM-ing.
Adding more swap wouldn't have been desirable in my case since
this was a "production" system and I didn't want high-priority,
public-facing processes to suffer from swap traffic. And my
/proc/sys/vm/max_map_count was already much larger than the
system default.
Eric Wong (2):
use file-backed mmap on Linux
increase DEFAULT_GRANULARITY to 64M
mymalloc.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 47 insertions(+)
next reply other threads:[~2022-11-30 6:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-30 6:49 Eric Wong [this message]
2022-11-30 6:49 ` [PATCH 1/2] use file-backed mmap on Linux Eric Wong
2022-11-30 20:43 ` Eric Wong
2022-11-30 6:49 ` [PATCH 2/2] increase DEFAULT_GRANULARITY to 64M Eric Wong
2022-11-30 21:08 ` [PATCH v2 0/2] support file-backed mmap on Linux Eric Wong
2022-11-30 21:08 ` [PATCH v2 1/2] use " Eric Wong
2022-12-02 10:14 ` Eric Wong
2022-11-30 21:08 ` [PATCH v2 2/2] increase DEFAULT_GRANULARITY to 64M Eric Wong
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