Gentoo Archives: gentoo-portage-dev

From: Zac Medico <zmedico@g.o>
To: Zac Medico <zmedico@g.o>, gentoo-portage-dev@l.g.o
Cc: "Michał Górny" <mgorny@g.o>
Subject: [gentoo-portage-dev] Re: [PATCH v2] Enable FEATURES=parallel-install by default (bug 715110)
Date: Mon, 18 May 2020 19:51:09
Message-Id: adaee99f-ed65-eb78-7567-e0ccec79b09d@gentoo.org
In Reply to: [gentoo-portage-dev] [PATCH v2] Enable FEATURES=parallel-install by default (bug 715110) by Zac Medico
1 On 5/17/20 1:29 PM, Zac Medico wrote:
2 > Enable FEATURES=parallel-install in order to increase IO throughput by
3 > allowing files to be merged or unmerged for one package while merge or
4 > unmerge ebuild phases execute for a different package.
5 >
6 > This feature introduces a small risk of file collisions going
7 > undetected for packages that are merged at about the same time, but
8 > the risk is considered to be practically negligible since those file
9 > collisions would typically be detected and prevented long before such
10 > an event would have an opportunity to occur.
11
12 NOTE: We could close this collision-protect hole by re-running he
13 collision-protect routine if anything has been merged since its run
14 prior to pkg_preinst.
15 --
16 Thanks,
17 Zac

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