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Thu, 23 Jan 2020 13:46:13 -0500 (EST) (envelope-from mike@sentex.net) Subject: Re: slow directory operation on huge dirs To: Cy Schubert , freebsd-hackers@freebsd.org, Wojciech Puchar , Miroslav Lachman <000.fbsd@quip.cz> References: <9b426949-be87-106a-46c3-f1b6a2e5bb83@quip.cz> <7685f996-c1b8-e11b-aaf6-b59c001ce226@sentex.net> From: mike tancsa Autocrypt: addr=mike@sentex.net; keydata= mQENBFywzOMBCACoNFpwi5MeyEREiCeHtbm6pZJI/HnO+wXdCAWtZkS49weOoVyUj5BEXRZP xflV2ib2hflX4nXqhenaNiia4iaZ9ft3I1ebd7GEbGnsWCvAnob5MvDZyStDAuRxPJK1ya/s +6rOvr+eQiXYNVvfBhrCfrtR/esSkitBGxhUkBjOti8QwzD71JVF5YaOjBAs7jZUKyLGj0kW yDg4jUndudWU7G2yc9GwpHJ9aRSUN8e/mWdIogK0v+QBHfv/dsI6zVB7YuxCC9Fx8WPwfhDH VZC4kdYCQWKXrm7yb4TiVdBh5kgvlO9q3js1yYdfR1x8mjK2bH2RSv4bV3zkNmsDCIxjABEB AAG0HW1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5uZXQ+iQFUBBMBCAA+FiEEmuvCXT0aY6hs 4SbWeVOEFl5WrMgFAlywzOYCGwMFCQHhM4AFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ eVOEFl5WrMhnPAf7Bf+ola0V9t4i8rwCMGvzkssGaxY/5zNSZO9BgSgfN0WzgmBEOy/3R4km Yn5KH94NltJYAAE5hqkFmAwK6psOqAR9cxHrRfU+gV2KO8pCDc6K/htkQcd/mclJYpCHp6Eq EVJOiAxcNaYuHZkeMdXDuvvI5Rk82VHk84BGgxIqIrhLlkguoPbXOOa+8c/Mpb1sRAGZEOuX EzKNC49+GS9gKW6ISbanyPsGEcFyP7GKMzcHBPf3cPrewZQZ6gBoNscasL6IJeAQDqzQAxbU GjO0qBSMRgnLXK7+DJlxrYdHGXqNbV6AYsmHJ6c2WWWiuRviFBqXinlgJ2FnYebZPAfWibkB DQRcsMzkAQgA1Dpo/xWS66MaOJLwA28sKNMwkEk1Yjs+okOXDOu1F+0qvgE8sVmrOOPvvWr4 axtKRSG1t2QUiZ/ZkW/x/+t0nrM39EANV1VncuQZ1ceIiwTJFqGZQ8kb0+BNkwuNVFHRgXm1 qzAJweEtRdsCMohB+H7BL5LGCVG5JaU0lqFU9pFP40HxEbyzxjsZgSE8LwkI6wcu0BLv6K6c Lm0EiHPOl5G8kgRi38PS7/6s3R8QDsEtbGsYy6O82k3zSLIjuDBwA9GRaeigGppTxzAHVjf5 o9KKu4O7gC2KKVHPegbXS+GK7DU0fjzX57H5bZ6komE5eY4p3oWT/CwVPSGfPs8jOwARAQAB iQE8BBgBCAAmFiEEmuvCXT0aY6hs4SbWeVOEFl5WrMgFAlywzOQCGwwFCQHhM4AACgkQeVOE Fl5WrMhmjQf/dBCjAVn1J0GzSsHiLvSAQz1cchbdy8LD0Tnpzjgp5KLU7sNojbI8vqt4yKAi cayI88j8+xxNXPMWM4pHELuUuVHS5XTpHa/wwulUtI5w/zyKlUDsIvqTPZLUEwH7DfNBueVM WyNaIjV2kxSmM8rNMC+RkgyfbjGLCkmWsMRVuLIUYpl5D9WHmenUbiErlKU2KvEEXEg/aLKq 3m/AdM9RAYsP9O4l+sAZEfyYoNJzDhTZMzn/9Q0uFPLK9smDQh4WBTFaApveVJPHRKmHPoNF Xxj+yScYdQ4SKH34WnhNSELvnZQ3ulH5tpASmm0w+GxfZqSc8+QCwoKtBRDUxoE56A== Message-ID: Date: Thu, 23 Jan 2020 13:46:13 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; 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MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jan 2020 18:46:17 -0000 On 1/23/2020 1:22 PM, Cy Schubert wrote: > >> Dont know about the vnodes adjustment, and its probably not related. >> But >> on our largish mail servers, we need to change the defaults in nsswitch >> as ls takes forever on large directories otherwise. >> >> --- /usr/src/etc/nsswitch.conf  2019-07-10 14:46:40.871619000 -0400 >> +++ /etc/nsswitch.conf  2016-01-27 14:21:30.400226032 -0500 >> @@ -1,13 +1,12 @@ >>  # >>  # nsswitch.conf(5) - name service switch configuration file >> -# $FreeBSD: stable/11/etc/nsswitch.conf 301711 2016-06-09 01:28:44Z >> markj $ >> +# $FreeBSD: src/etc/nsswitch.conf,v 1.1.10.1 2009/08/03 08:13:06 >> kensmith Exp $ >>  # >> -group: compat >> +group: files >>  group_compat: nis >>  hosts: files dns >> -netgroup: compat >>  networks: files >> -passwd: compat >> +passwd: files >>  passwd_compat: nis >>  shells: files >>  services: compat >> >> >> Do you use a directory service such as ldap, nis, or a/d? No. Just a lot of users in the master.passwd file.     ---Mike