From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: David Caldwell Newsgroups: gmane.emacs.bugs Subject: bug#22814: 25.0.91; Emacs runs out of file descriptors on OS X Date: Fri, 26 Feb 2016 01:05:56 -0800 Message-ID: References: <87lh673m51.fsf@gmx.de> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms020103040008020003010007" X-Trace: ger.gmane.org 1456477648 2688 80.91.229.3 (26 Feb 2016 09:07:28 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 26 Feb 2016 09:07:28 +0000 (UTC) To: 22814@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri Feb 26 10:07:17 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1aZEMk-0007ss-GS for geb-bug-gnu-emacs@m.gmane.org; Fri, 26 Feb 2016 10:07:14 +0100 Original-Received: from localhost ([::1]:48223 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aZEMg-00055A-H0 for geb-bug-gnu-emacs@m.gmane.org; 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Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.0 In-Reply-To: <87lh673m51.fsf@gmx.de> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:113861 Archived-At: This is a cryptographically signed message in MIME format. --------------ms020103040008020003010007 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 2/26/16 12:34 AM, Michael Albinus wrote: > David Caldwell writes: >> I have a large emacs desktop file (600+ buffers at the moment). Emacs >> 24.5 would open all the buffers just fine, but 25.0.91 (and 90) >> apparently don't close the file after reading the buffer (or maybe it'= s >> part of the new kqueue stuff?). By default OS X limits the number of >> file descriptors per process to 256. So trying to open my large deskto= p >> file gets it into a stuck state where it cannot open any more files >> after it loads the first 240ish buffers. > > You are using "global-auto-revert-mode: t". kqueue does not support a > directory monitor, therefore it starts a new file notification monitor > for every single file, indeed. Ah, I see. Maybe the FSEvents API[1] would be better in this case? > I believe it is questionable to run auto-revert-mode for so many > files, > but that's your choice.=3D20 It's just stat()s, right? Those are really fast, especially on my ssd. At any rate, I've never noticed any slowdown. I guess I always assumed it would check only for buffers I was displaying, rather than ones in the background (because why would I care if a buffer I couldn't see had stale data in it?). > In order to suppress kqueue running for auto-revert-mode, you shall=20 > set auto-revert-use-notify to nil. Thanks! That indeed does the trick. I'm back to 24.5 numbers of fds open.= > Maybe there are means in OS X to increase the number of file > descriptors for Emacs, don't know. I don't use OS X. `ulimit -u 10000` was my temporary work-around, but I had to remember to do it every time I booted or emacs would hose itself (I don't think I ever successfully remembered). > I will add a note to the Emacs manual. Thanks. -David --------------ms020103040008020003010007 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC Ct0wggTzMIID26ADAgECAhA5IEwCoOHUpDUe6xUti95tMA0GCSqGSIb3DQEBCwUAMHUxCzAJ BgNVBAYTAklMMRYwFAYDVQQKEw1TdGFydENvbSBMdGQuMSkwJwYDVQQLEyBTdGFydENvbSBD ZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTEjMCEGA1UEAxMaU3RhcnRDb20gQ2xhc3MgMSBDbGll bnQgQ0EwHhcNMTYwMjA5MDA1NTI1WhcNMTcwMjA5MDA1NTI1WjBAMRswGQYDVQQDDBJkYXZp ZEBwb3JrcmluZC5vcmcxITAfBgkqhkiG9w0BCQEWEmRhdmlkQHBvcmtyaW5kLm9yZzCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOqlU6S8xlPcP2hxvHVNDpEO3Vuq+vS1x2dP 1AOhXxKU8qkcX7bpBMx94GtXi4Hskhpl11vOBdJagkXf5/ngCV70lkeCudGdxDaNCreWkNze bdVPLu4/sIjWdG9puNly9QAlGR1zS+NSCXrdvSlxew14mYidSd6/lTFKVzqV3nJDkzyWEtC0 rY1jyZKW3dwowiAjbIDdHAqhqO6XYrs9ISnRRICYNVsWgzr34VMZrduInYvZUkwzBXbB1foa 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