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Mon, 03 Jul 2023 02:08:53 -0700 (PDT) Date: Mon, 3 Jul 2023 12:08:50 +0300 From: Efraim Flashner To: Ludovic =?utf-8?Q?Court=C3=A8s?= Cc: Attila Lendvai , guix-devel Subject: Re: shepherd respawn frequency Message-ID: Mail-Followup-To: Ludovic =?utf-8?Q?Court=C3=A8s?= , Attila Lendvai , guix-devel References: <87zg4et755.fsf@gnu.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="zhRmMO6VYfIM+exI" Content-Disposition: inline In-Reply-To: <87zg4et755.fsf@gnu.org> X-PGP-Key-ID: 0x41AAE7DCCA3D8351 X-PGP-Key: https://flashner.co.il/~efraim/efraim_flashner.asc X-PGP-Fingerprint: A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Received-SPF: pass client-ip=2a00:1450:4864:20::32f; envelope-from=efraim.flashner@gmail.com; helo=mail-wm1-x32f.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Scanner: scn0.migadu.com X-Migadu-Spam-Score: -3.96 X-Spam-Score: -3.96 X-Migadu-Queue-Id: A346886F2 X-TUID: /4mci//Smjur --zhRmMO6VYfIM+exI Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 02, 2023 at 10:01:26PM +0200, Ludovic Court=C3=A8s wrote: > Hi! >=20 > Attila Lendvai skribis: >=20 > > would the shepherd maintaners (looking at you Ludo :) accept a change t= hat introduces a new field into called RESPAWN-DELAY, and issue a= fiber sleep in RESPAWN-SERVICE when it is not #false, and the daemon proce= ss quits unexpectedly? >=20 > We could do that. It never occurred to me that this is something one > would want to have though. My reasoning is that if you mark a service > as respawnable, then you really want it to be respawned as soon as it > fails, not 5 seconds later. >=20 > Do you have a motivating example in mind (a daemon) to share? >=20 > Thanks, > Ludo=E2=80=99. >=20 If you want to make sure that something is really gone and cleaned up before trying again. Or an artificial delay, say while waiting for the correct network interface to come up. Or even just `mbsync -a && exit 1 || exit 1` --=20 Efraim Flashner =D7=A8=D7=A0=D7=A9=D7=9C=D7=A4 = =D7=9D=D7=99=D7=A8=D7=A4=D7=90 GPG key =3D A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted --zhRmMO6VYfIM+exI Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEoov0DD5VE3JmLRT3Qarn3Mo9g1EFAmSikB8ACgkQQarn3Mo9 g1HsXhAAmF25+8UtgUjTraFmCpfP9KvTdRWJyKRJm1s9GtbM35x8f2jRGuBPOdCO pPLNsBHpicfJtFJqTpJ37XLO9ohSYGY3Sgn6Taf2kUHbDrxTbO+QqhC9nqRpTUgD xCHEgKbRvU67WTdrvaLzPn8xm8WuwK0y5vwkvOQaf88KHIeDL/kxLM2C3nsJ3opb trObFXQZaXxDdwLBwmJSvfBzkUINZFAPylNCrhrCtyzVdSS7ooAbikgSj2gWwDul dkyYij8JgYz4OG/9MakI3Kd2IJ523L6q9Oh8eGaNwuUpRm6EixrxqgthgMubtLoT oee+kfyMAV3zti7uQ3pWf3Hnkj1xvBFEtazrv4odx14LhyJY8HDLmlVvA5jenZTh 1edwquXactYByr8/5snbn0cSQpWIInCoI1hh13XVummrY/CUHe6LxU4hKjzkVCmE VjV4n1hxHV3RX7qSAUgN6WJbCZQBfDaoLd7yGpWrd/wHE4SLCfxacyJZb+WmpvS4 X/000VExmEREKmjbiRcdjPoHiMd4Rqh1Vq5WIKlmgcvfBpfIlayqT112OWtTx0LK 8qa3L96pn2FAQawPi+yaiEsAN5rcjXtJil18+1W1LDqMxhq9Snv3E+//VwkhrMJV lHKHRQUvmsKim4sDmK2ohJEmNH/JUIUR6TsGVjO5l+sHHV/VoF8= =sVNA -----END PGP SIGNATURE----- --zhRmMO6VYfIM+exI--