From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id 03D671FF170 for ; Thu, 10 Jul 2025 18:16:04 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 3701F3867C; Thu, 10 Jul 2025 18:16:46 +0200 (CEST) Date: Thu, 10 Jul 2025 18:15:55 +0200 To: Proxmox VE user list References: <98ace9cf-a47f-40cd-8796-6bec3558ebb0@web.de> In-Reply-To: <98ace9cf-a47f-40cd-8796-6bec3558ebb0@web.de> MIME-Version: 1.0 Message-ID: List-Id: Proxmox VE user list List-Post: From: dorsy via pve-user Precedence: list Cc: dorsy X-Mailman-Version: 2.1.29 X-BeenThere: pve-user@lists.proxmox.com List-Subscribe: , List-Unsubscribe: , List-Archive: Reply-To: Proxmox VE user list List-Help: Subject: Re: [PVE-User] A less aggressive OOM? Content-Type: multipart/mixed; boundary="===============4824609615114294300==" Errors-To: pve-user-bounces@lists.proxmox.com Sender: "pve-user" This is a multi-part message in MIME format. --===============4824609615114294300== Content-Type: message/rfc822 Content-Disposition: inline Return-Path: X-Original-To: pve-user@lists.proxmox.com Delivered-To: pve-user@lists.proxmox.com Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id 189C2D8384 for ; Thu, 10 Jul 2025 18:16:44 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id EEFCA3863D for ; Thu, 10 Jul 2025 18:16:13 +0200 (CEST) Received: from sonic306-2.consmr.mail.bf2.yahoo.com (sonic306-2.consmr.mail.bf2.yahoo.com [74.6.132.41]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS for ; Thu, 10 Jul 2025 18:16:09 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1752164161; bh=7mwzGcbE9wJSMepB2mpIjVDaJz0syehtnULCDARfNm0=; h=Date:Subject:To:References:From:In-Reply-To:From:Subject:Reply-To; b=PBf9RlWy6GMCOSs8DeR4xpGc1GUmiTtfj5JFwy35gEi77pf8ln2NL7+2FKwjHLQF3jnoBSfdq9+crWsdaSBGfCNY1VtMZxOqAqu/m3gJsROSwrCcmMuAhQKOMwh3p4smTDIx5etecK82DHwYHBhYsg3kZNhNpFDzfLaWP15jdRPxvmXrHHNM/0DuU2bs3jBEE+C71klA0leO0kMg2DCdymGGTK8RONosVRQxF009VrSPURiz8hQviHteLVf8Igl5uLYjeFN5Xeptx3cn8PMmdJ2eqX8QvjdjqhR1Yc9JRzz7Ee2h0LIDAZD3dOGe1qWpzYNQYUC0GgR6PfNbTuNTmw== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1752164161; bh=hPGY09a3PnbyBxKg/niCcgoBLSiKb10HPTlScHbaFU/=; h=X-Sonic-MF:Date:Subject:To:From:From:Subject; b=KfDhDDXXQgBFiZ3LIzfcFUHBEWGpTe4pyvC652l1VasnGRW0ghufAGSLlqjUEjYYyFhbtr+mxnGBSqk1f7tirIAgZop6AeCFSApHPQ/2hp0QeHeDK5CfjgjAkz0TXOTaYOwHsYmlG6wpBuA488tRRsPdibSgWGPn/q/kcRlmrcXVTLTcMhaigAmh9g9c39oiZweTnkdZbgUP8Ze8Gp7+Rtp3qN0Y3/cVJb24QJz7NVnKIXx9HvGlac/CCw7KTsUyIRWgYBzqTvaNJwIjtLoM1tUC5Ul+j2/AyYCQrr43JmsxSq6oN9WqSOLImSlqF6238AlSmAqcLjQjU34Z76Vnww== X-YMail-OSG: GpJ2ZWkVM1l9ZpPCj.xue9buDYmGyEateWWUuQaWKAt1YsD.YgTerPRg1E9tq.U MOF3KrjcBuO46GI8vlW4bl3kZr3_kqwtyUXX8MOQ1uUxWrCTMrKAVfo_h.VKchJwGAe6ydiv4Y7d Sa5hrGKjyvew3C3muJYZeicHmkNCHM7474zCETA67lg__W21sAUkU9Z.EVlzmZlnirG1spsa1bgW RmN91.9daONVlKaipYnwLDccZV9F0XgKexgo0QCKerfOvtK_O.9pqM7ZgWh.sY0crroZNGhIth64 Yr1AdeOhn1SNbOV35PwxEmEzjAANUqt0LzYh6ENlffn.f1Mwvek_SorZoyZssra1kuqT6HCOJYRP pfMLpxZP_uj_2vcz4hhrTD6HXMny08o1LVjLEoaR9eege4ryHhHRBL9njpvPgQ0geFENzD4VJWSh b2DBa1Ord95WXdbbkFPKft4jTmrLiseCmjSm7XkmETpFJL6Utj8HC0lPSK6NZTq3WtMgYCA7vA8u vLQxuJc4YrQGedpmK.cEzA.w7gP4oigUlYiNUbAZpCfJDhbzimF1.AB8CzF_Hbw09tF9Kotn2Bkm HtP6h9UdxcxYDQPkrsl.eYo9FuG9n_fYx8OfzjctQRkE__SrcNH9BAY3JrFpkSAafEpEWoU6dMJt zXfVhpZkCuLEH8RMxpncsj4Q1fJEuvIcqAdd.oGShT1FcrEPJFd20bPK1bITAkbZVWF1qFMz.umQ AX4c0qdpufq92Fp9IPytX_VhC88ZGJWwJoIpcWP6zrBq621RuDKYXD.9yxE3W75lWIqsRrWGGyaM RAV4ODTFxP2xj3bSThRaGPzjZfItwyv0iUDmVfNX4HUM8JPeT0vLem13BIt80awUWwLbdDrmRIC7 WlOfN0xGQVC5pSF7kVSbFJp7vanpuLc_ks5xGrjzeI97rwNQiNbG.PNfbOVbSe8JIoYGqkzF_EvK vC_JkWQbclYhWflIuYz2v8oLKsPKtnLe._6W.EQjAuy9LZ0XnkbrauANQdIjmCLeLj1Td10LAjEF 4oT6TBr_DFHVJllOCKMdCJKyxpHxtLaWvd5j5aAXqtHhKmJC9tFd_m4jGw0ViESbZRQyw2cbBhp. foa0t06HKpShsWPJzvJEmnkSCa4SZhmM52om2WyCAOh7_..erpTtyJW0n3TdOTEqakjzuZSRiZoQ 49qMq0vq0PvSUoS6GvRoP485lzTQsD2WFoWwdVUZANVMopRDQdomCmEYHEfg_2Wssdl8TyKmCHBI BSDhhRYFtEmlvoYszNh60Mslqv8S7kRxQflOm1IJpXZ5oVA9jnXhIcUD75At6lmIj2myzvGbo.ZJ zoFjJ8MyTTnWLYkQ7HMtkpAqS41k_hc8t3HRgqeyGB8ZLiC4WpUGPzHwY1Nqki9X54k7BXzlQiv7 7xwqmvSfdkFStEzsHbWX9.JC3YGxrTx3bkZJrhtkZ2V906nQEd6MNUYP83Qt3U5_iqDf9vv2Cb7j eG65PFAhdqbyQwtEr9BxjjsW6OEo3Z42zDLikW95RE5jmY0ZbawVxahDHM7sp5E0pw6dPae_QKmT B1Udpu8aTTlanXaO81P37GMKK19kONjVOn77kd7wZFx.Piyp0SD7Dflfz8nIyZomxA.G6FziZ2El 16UGlBzE3pXg.jO7LZU6z7utsdjy.aJnKUHm9YgY40TLPKMPk4wYfGZykWJ4p0a6cRyJGdmlW8im _rZ0Pc3yEu.EpyeNGLOxvVKsksSBC2Ta3KUv.RI.3E27lgeN3euDR8TdmGsoA6AYKEllMCB9AR0U CxtenxS4XRwUU_FuZSTOkQrV8f2r2OjGz31t4VxdDRXuRnPk00xsCvA5J0eIbuXUA9MGgoemfbqG 6gTvn0qRYLDBjhzJk.vpFQqqjvj1ajPrxvWEXKiZithwZQLI8XKgqgp6YzC9NooeeueIDYSJLfIb .WEplpBST3D8m5s_ELSWTTt4dDBhZYqXynveFUXkNNxlnkXJ8OuAISsP.Apd49yX_fw1XYmIEtsf SkALBTmsPP3BNLPCqDpdCyKiZR9LqVMbqvI7cXCHM_4Ot_ggE1sZs3wmzUuBwqw8hkzeLlwES91q .j.b7BzwxwlNZJ1rY3bH4IKOot_v5ZhCPe5Tf_9nXvv_9dCOxXLkwoQawBDAa8.T_jMNDdShKz_l gAZ_Fxg4_nAPJlaFY_BdEQ8aWAeHYWwgENiYIihwFkd_6dR6U0axt4leLUh8xuWQrVbwuciVdQg4 JxwSEtBf7s_SKakGt6u0TFJvSv6EDp3Qaoyfh4hjoD0BWCr83k6geUSVyuTsNnTwwj2N0yBu8qE6 W3p5b X-Sonic-MF: X-Sonic-ID: 4ddb2489-79cc-47ff-809a-60fe92f67779 Received: from sonic.gate.mail.ne1.yahoo.com by sonic306.consmr.mail.bf2.yahoo.com with HTTP; Thu, 10 Jul 2025 16:16:01 +0000 Received: by hermes--production-ir2-858bd4ff7b-q7k6m (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID 678c16b39929e413cc794c9ec9f01720; Thu, 10 Jul 2025 16:15:58 +0000 (UTC) Message-ID: <2a7aed75-5870-4e23-994a-6f78bbe9dd85@yahoo.com> Date: Thu, 10 Jul 2025 18:15:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: [PVE-User] A less aggressive OOM? To: Proxmox VE user list References: <98ace9cf-a47f-40cd-8796-6bec3558ebb0@web.de> Content-Language: en-US From: dorsy In-Reply-To: <98ace9cf-a47f-40cd-8796-6bec3558ebb0@web.de> X-Mailer: WebService/1.1.24149 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-SPAM-LEVEL: Spam detection results: 0 AWL 0.294 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DKIM_SIGNED 0.1 Message has a DKIM or DK signature, not necessarily valid DKIM_VALID -0.1 Message has at least one valid DKIM or DK signature DKIM_VALID_AU -0.1 Message has a valid DKIM or DK signature from author's domain DKIM_VALID_EF -0.1 Message has a valid DKIM or DK signature from envelope-from domain DMARC_PASS -0.1 DMARC pass policy FREEMAIL_FROM 0.001 Sender email is commonly abused enduser mail provider HTML_MESSAGE 0.001 HTML included in message POISEN_SPAM_PILL_4 0.1 random spam to be learned in bayes RCVD_IN_DNSWL_NONE -0.0001 Sender listed at https://www.dnswl.org/, no trust RCVD_IN_MSPIKE_H2 0.001 Average reputation (+2) SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 You did overcommit memory by not setting appropriate ZFS limits. So OOMkiller saved Your machine from hangup in a memory constraint situation. That's easy like that. Read The Fine Manual! On 7/10/2025 6:11 PM, Roland wrote: > imho, killing processes because of arc using too much ram which can't > be reclaimed fast enough is a failure in overall memory coordination. > > we can set zfs limits as a workaround, yes - but zfs and oomkiller is > to blame !!! > > 1. zfs should free up memory faster, as memory is also freed from > buffers/caches > > 2. oomkiller should put pressure on arc or try reclaim pages from that > first, instead of killing kvm processes.  maybe oomkiller could be > made arc-aware!? > > roland > > > >On 7/10/2025 11:08 AM, Roland via pve-user wrote: > >if OOM kicks in because half of the ram is being used for > caches/buffers, i would blame OOMkiller or ZFS for tha. The problem > should be resolved at zfs or memory management level. > > >Absolutely no! > >You are responsible for giving ZFS the limits. As even described in > the proxmox documentation here: > >https://pve.proxmox.com/wiki/ZFS_on_Linux#sysadmin_zfs_limit_memory_usage > > >> _______________________________________________ >> pve-user mailing list >> pve-user@lists.proxmox.com >> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > > > _______________________________________________ > pve-user mailing list > pve-user@lists.proxmox.com > https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > > Am 10.07.25 um 16:49 schrieb dorsy via pve-user: >> On 7/10/2025 11:08 AM, Roland via pve-user wrote: >> if OOM kicks in because half of the ram is being used for >> caches/buffers, i would blame OOMkiller or ZFS for tha. The problem >> should be resolved at zfs or memory management level. >> >> Absolutely no! >> You are responsible for giving ZFS the limits. As even described in >> the proxmox documentation here: >> https://pve.proxmox.com/wiki/ZFS_on_Linux#sysadmin_zfs_limit_memory_usage >> >> >>> _______________________________________________ >>> pve-user mailing list >>> pve-user@lists.proxmox.com >>> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >> >> >> _______________________________________________ >> pve-user mailing list >> pve-user@lists.proxmox.com >> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user -- Üdvözlettel, Dorotovics László rendszergazda IKRON Fejlesztő és Szolgáltató Kft. Székhely: 6721 Szeged, Szilágyi utca 5-1. --===============4824609615114294300== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ pve-user mailing list pve-user@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user --===============4824609615114294300==--