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Fri, 27 Oct 2023 08:51:43 -0400 (EDT) Date: Fri, 27 Oct 2023 13:51:40 +0100 From: void To: freebsd-stable@freebsd.org Subject: Re: periodic daily takes a very long time to run (14-stable) Message-ID: Mail-Followup-To: freebsd-stable@freebsd.org References: <1122335317.4913.1698407124469@localhost> List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <1122335317.4913.1698407124469@localhost> X-Spamd-Result: default: False [-4.69 / 15.00]; DWL_DNSWL_LOW(-1.00)[messagingengine.com:dkim]; NEURAL_HAM_LONG(-1.00)[-0.999]; NEURAL_HAM_MEDIUM(-1.00)[-0.997]; NEURAL_HAM_SHORT(-1.00)[-0.997]; MID_RHS_NOT_FQDN(0.50)[]; DMARC_POLICY_ALLOW(-0.50)[f-m.fm,none]; R_DKIM_ALLOW(-0.20)[f-m.fm:s=fm3,messagingengine.com:s=fm3]; R_SPF_ALLOW(-0.20)[+ip4:66.111.4.25:c]; MIME_GOOD(-0.10)[text/plain]; RWL_MAILSPIKE_GOOD(-0.10)[66.111.4.25:from]; RCVD_IN_DNSWL_LOW(-0.10)[66.111.4.25:from]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; PREVIOUSLY_DELIVERED(0.00)[freebsd-stable@freebsd.org]; ARC_NA(0.00)[]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:19151, ipnet:66.111.4.0/24, country:US]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; FREEMAIL_FROM(0.00)[f-m.fm]; MLMMJ_DEST(0.00)[freebsd-stable@freebsd.org]; DKIM_TRACE(0.00)[f-m.fm:+,messagingengine.com:+]; MIME_TRACE(0.00)[0:+]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[f-m.fm]; RCVD_VIA_SMTP_AUTH(0.00)[] X-Rspamd-Queue-Id: 4SH2c04qppz4Qjr X-Spamd-Bar: ---- On Fri, Oct 27, 2023 at 01:45:24PM +0200, Ronald Klop wrote: >Can you run "gstat" or "iostat -x -d 1" to see how busy your disk is? >And how much bandwidth is uses. when periodic is *not* running, gstat numbers fluctuate between whats indicated below and all zeros: dT: 1.011s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 0 69 0 0 0.0 67 732 0.6 24.3| da0 0 0 0 0 0.0 0 0 0.0 0.0| da0p1 0 0 0 0 0.0 0 0 0.0 0.0| da0p2 0 69 0 0 0.0 67 732 0.6 24.3| da0p3 0 0 0 0 0.0 0 0 0.0 0.0| da0p2.eli 0 69 0 0 0.0 67 732 0.8 24.4| da0p3.eli # iostat -x -d 1 extended device statistics device r/s w/s kr/s kw/s ms/r ms/w ms/o ms/t qlen %b da0 15 18 189.4 565.1 47 7 144 27 0 23 pass0 0 0 0.0 0.0 54 0 154 79 0 0 extended device statistics device r/s w/s kr/s kw/s ms/r ms/w ms/o ms/t qlen %b da0 3 70 172.6 698.0 26 1 129 5 0 33 pass0 0 0 0.0 0.0 0 0 0 0 0 0 extended device statistics device r/s w/s kr/s kw/s ms/r ms/w ms/o ms/t qlen %b da0 0 0 0.0 0.0 0 0 0 0 0 0 pass0 0 0 0.0 0.0 0 0 0 0 0 0 (then all 0s repeatedly) When periodic *is* running: dT: 1.047s w: 1.000s L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name 2 89 34 138 88.1 54 783 33.9 95.0| da0 0 0 0 0 0.0 0 0 0.0 0.0| da0p1 0 0 0 0 0.0 0 0 0.0 0.0| da0p2 2 89 34 138 88.1 54 783 34.0 95.0| da0p3 0 0 0 0 0.0 0 0 0.0 0.0| da0p2.eli 2 90 35 141 86.3 54 783 34.2 96.9| da0p3.eli the kBps number varies wildly between 100 and 1200. %busy is 92-102% # iostat -x -d 1 extended device statistics device r/s w/s kr/s kw/s ms/r ms/w ms/o ms/t qlen %b da0 15 18 189.6 564.1 47 7 144 27 10 23 pass0 0 0 0.0 0.0 54 0 154 79 0 0 Numbers vary wildly here, too. I wonder if theres a switch for iostat that lets it run for say 1000 seconds then produces an average of the values gathered. I'll look for one --