Date: Tue, 16 Sep 2014 11:50:40 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-fs@freebsd.org Subject: Re: Candidate ZFS ARC patch does not cleaning apply to HEAD r271671 Message-ID: <54186A60.7050209@denninger.net> In-Reply-To: <F254E42E6D034BEBA626DCF31454B039@multiplay.co.uk> References: <ec98a130ccc07847775d9f435053146b@mail.mikej.com> <F254E42E6D034BEBA626DCF31454B039@multiplay.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
This is a cryptographically signed message in MIME format. --------------ms010208010108000704090202 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable In addition the candidate "head" patch does not include resizing of the=20 dirty write buffers to prevent slamming the system's VM into paging. It = does fix a number of other problems. There is a candidate against STABLE that incorporates Steve's patch and=20 those further changes; the entire thread (long!) discussing it is here:=20 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D187594 Adding the write-buffer resizing against head would be very easy; there=20 is open debate on whether it's the right thing to do or not but doing so = has a materially-positive impact on performance for my systems. On 9/16/2014 8:31 AM, Steven Hartland wrote: > That patch is against stable/10 not head > > The additional changes it adds aren't ideal, the latest version which > should be used at this time against head is: > ARC reclaim refactor (against head)=20 > https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D147070 > > Additional discussions on this can be found on the illumos list subject= : > ZFS Write Throttle Dirty Data Limit Interation with Free Memory > > ----- Original Message ----- From: "Michael Jung" <mikej@mikej.com> > To: <freebsd-fs@freebsd.org> > Sent: Tuesday, September 16, 2014 2:11 PM > Subject: Candidate ZFS ARC patch does not cleaning apply to HEAD r27167= 1 > > >> Note: no problems patching/compiling/running against 10-stable=20 >> r271671+other revs >> >> Original patch source: >> >> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D147286&action=3D= edit >> >> Downloaded patch applied: >> >> http://216.26.158.189/zfs-candidate/zfs-candidate.patch >> >> Errors: >> >> http://216.26.158.189/zfs-candidate/patch.error >> http://216.26.158.189/zfs-candidate/arc.c.rej >> http://216.26.158.189/zfs-candidate/kmem.h.rej >> http://216.26.158.189/zfs-candidate/vm_pageout.c.rej >> >> Regards, >> >> Michael Jung >> >> >> >> >> >> _______________________________________________ >> freebsd-fs@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-fs >> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" >> > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > > > %SPAMBLOCK-SYS: Matched [@freebsd.org+], message ok --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ --------------ms010208010108000704090202 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIFTzCC BUswggQzoAMCAQICAQgwDQYJKoZIhvcNAQEFBQAwgZ0xCzAJBgNVBAYTAlVTMRAwDgYDVQQI EwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoTEEN1ZGEgU3lzdGVtcyBM TEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExLzAtBgkqhkiG9w0BCQEWIGN1c3Rv bWVyLXNlcnZpY2VAY3VkYXN5c3RlbXMubmV0MB4XDTEzMDgyNDE5MDM0NFoXDTE4MDgyMzE5 MDM0NFowWzELMAkGA1UEBhMCVVMxEDAOBgNVBAgTB0Zsb3JpZGExFzAVBgNVBAMTDkthcmwg RGVubmluZ2VyMSEwHwYJKoZIhvcNAQkBFhJrYXJsQGRlbm5pbmdlci5uZXQwggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC5n2KBrBmG22nVntVdvgKCB9UcnapNThrW1L+dq6th d9l4mj+qYMUpJ+8I0rTbY1dn21IXQBoBQmy8t1doKwmTdQ59F0FwZEPt/fGbRgBKVt3Quf6W 6n7kRk9MG6gdD7V9vPpFV41e+5MWYtqGWY3ScDP8SyYLjL/Xgr+5KFKkDfuubK8DeNqdLniV jHo/vqmIgO+6NgzPGPgmbutzFQXlxUqjiNAAKzF2+Tkddi+WKABrcc/EqnBb0X8GdqcIamO5 SyVmuM+7Zdns7D9pcV16zMMQ8LfNFQCDvbCuuQKMDg2F22x5ekYXpwjqTyfjcHBkWC8vFNoY 5aFMdyiN/Kkz0/kduP2ekYOgkRqcShfLEcG9SQ4LQZgqjMpTjSOGzBr3tOvVn5LkSJSHW2Z8 Q0dxSkvFG2/lsOWFbwQeeZSaBi5vRZCYCOf5tRd1+E93FyQfpt4vsrXshIAk7IK7f0qXvxP4 GDli5PKIEubD2Bn+gp3vB/DkfKySh5NBHVB+OPCoXRUWBkQxme65wBO02OZZt0k8Iq0i4Rci WV6z+lQHqDKtaVGgMsHn6PoeYhjf5Al5SP+U3imTjF2aCca1iDB5JOccX04MNljvifXgcbJN nkMgrzmm1ZgJ1PLur/ADWPlnz45quOhHg1TfUCLfI/DzgG7Z6u+oy4siQuFr9QT0MQIDAQAB o4HWMIHTMAkGA1UdEwQCMAAwEQYJYIZIAYb4QgEBBAQDAgWgMAsGA1UdDwQEAwIF4DAsBglg hkgBhvhCAQ0EHxYdT3BlblNTTCBHZW5lcmF0ZWQgQ2VydGlmaWNhdGUwHQYDVR0OBBYEFHw4 +LnuALyLA5Cgy7T5ZAX1WzKPMB8GA1UdIwQYMBaAFF3U3hpBZq40HB5VM7B44/gmXiI0MDgG CWCGSAGG+EIBAwQrFilodHRwczovL2N1ZGFzeXN0ZW1zLm5ldDoxMTQ0My9yZXZva2VkLmNy bDANBgkqhkiG9w0BAQUFAAOCAQEAZ0L4tQbBd0hd4wuw/YVqEBDDXJ54q2AoqQAmsOlnoxLO 31ehM/LvrTIP4yK2u1VmXtUumQ4Ao15JFM+xmwqtEGsh70RRrfVBAGd7KOZ3GB39FP2TgN/c L5fJKVxOqvEnW6cL9QtvUlcM3hXg8kDv60OB+LIcSE/P3/s+0tEpWPjxm3LHVE7JmPbZIcJ1 YMoZvHh0NSjY5D0HZlwtbDO7pDz9sZf1QEOgjH828fhtborkaHaUI46pmrMjiBnY6ujXMcWD pxtikki0zY22nrxfTs5xDWGxyrc/cmucjxClJF6+OYVUSaZhiiHfa9Pr+41okLgsRB0AmNwE f6ItY3TI8DGCBQowggUGAgEBMIGjMIGdMQswCQYDVQQGEwJVUzEQMA4GA1UECBMHRmxvcmlk YTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3RlbXMgTExDMRwwGgYD VQQDExNDdWRhIFN5c3RlbXMgTExDIENBMS8wLQYJKoZIhvcNAQkBFiBjdXN0b21lci1zZXJ2 aWNlQGN1ZGFzeXN0ZW1zLm5ldAIBCDAJBgUrDgMCGgUAoIICOzAYBgkqhkiG9w0BCQMxCwYJ KoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNDA5MTYxNjUwNDBaMCMGCSqGSIb3DQEJBDEW BBTd2R+kDazvBbOclB7PWD3p/sXmxjBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjAL BglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFA MAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIG0BgkrBgEEAYI3EAQxgaYwgaMwgZ0xCzAJBgNV BAYTAlVTMRAwDgYDVQQIEwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoT EEN1ZGEgU3lzdGVtcyBMTEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExLzAtBgkq hkiG9w0BCQEWIGN1c3RvbWVyLXNlcnZpY2VAY3VkYXN5c3RlbXMubmV0AgEIMIG2BgsqhkiG 9w0BCRACCzGBpqCBozCBnTELMAkGA1UEBhMCVVMxEDAOBgNVBAgTB0Zsb3JpZGExEjAQBgNV BAcTCU5pY2V2aWxsZTEZMBcGA1UEChMQQ3VkYSBTeXN0ZW1zIExMQzEcMBoGA1UEAxMTQ3Vk YSBTeXN0ZW1zIExMQyBDQTEvMC0GCSqGSIb3DQEJARYgY3VzdG9tZXItc2VydmljZUBjdWRh c3lzdGVtcy5uZXQCAQgwDQYJKoZIhvcNAQEBBQAEggIAdlTIc5GvAdLS94G2e0C3V2xfQgIh aqNDQYlCbz20vQLQvltVx7Fe9OuzopBtvgjyf2NkobdPX21EGvv+BUfuwyrmNRJvKZjW/z8t kJ1FxeHxh+gYLzWhcJR6hoGNEanqW4riPj9pg6KW76tnrT6l8BpoMAUIu8CiZxDrWlFezpvv TQWlYDcKboaTPaDBA7lX2Oj3Uz/MgyrGkme/qhWt3roKRnYEclY+JowAoIBuhwt/I8o98YgG ztDNLWsvpf82iNRD6RXn3likcW+Kennl5ohxUq2qm1a38rq8FjeHqMbHhmm8+0BjdY/XKaBg 3nTgW5Ed/jrSza9wI6KEGZfABRSAhXGt4TndoPOPr7i6r48XO1w8+vCflrS3giqCVU5mtUQt 7WyepGqeBng0Jc458mwxku2EJb77uZrQiqc/6b7CfbPZ3SUBK5WtHM8T38gk7X5r5TirlLoF +NJPi5sdxXMnCtF4xMcEmdMW+7sgVdObklMXLm6gzrFiZGBly7e969Bzjg06KGAgEDiAxKqN cR1+hegdbYqkCO5LARoNtjVGbJUVEuESey9ct0WJUlV9miIWWfhljXTgRGFqqhg9kU/rZzTu Tj3F6/zBZr2CT9NEmf9hhUubb7dQvYVP2BBa9dnkRwUxi1LWUD2piLaoaDUvuw1876pz87H4 ftx53YAAAAAAAAA= --------------ms010208010108000704090202--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?54186A60.7050209>