From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS33070 50.56.128.0/17 X-Spam-Status: No, score=-0.2 required=5.0 tests=AWL shortcircuit=no autolearn=unavailable version=3.3.2 X-Original-To: archivist@yhbt.net Delivered-To: archivist@dcvr.yhbt.net Received: from rubyforge.org (50-56-192-79.static.cloud-ips.com [50.56.192.79]) by dcvr.yhbt.net (Postfix) with ESMTP id 6DCDA1F863 for ; Fri, 2 Mar 2012 01:26:32 +0000 (UTC) Received: from localhost.localdomain (localhost [127.0.0.1]) by rubyforge.org (Postfix) with ESMTP id D79DA263025; Fri, 2 Mar 2012 01:26:31 +0000 (UTC) X-Original-To: mongrel-unicorn@rubyforge.org Delivered-To: mongrel-unicorn@rubyforge.org Received: from dcvr.yhbt.net (dcvr.yhbt.net [64.71.152.64]) by rubyforge.org (Postfix) with ESMTP id 58C9826276F for ; Fri, 2 Mar 2012 01:07:53 +0000 (UTC) Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 92CA31F862; Fri, 2 Mar 2012 01:07:52 +0000 (UTC) Date: Thu, 1 Mar 2012 17:07:52 -0800 From: Eric Wong To: unicorn list Subject: Re: murdering high-memory workers and auto-scaling Message-ID: <20120302010752.GA12687@dcvr.yhbt.net> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-BeenThere: mongrel-unicorn@rubyforge.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mongrel-unicorn-bounces@rubyforge.org Errors-To: mongrel-unicorn-bounces@rubyforge.org QmVuIFNvbWVycyA8c29tZXJzLmJlbkBnbWFpbC5jb20+IHdyb3RlOgo+IFR3byBpZGVhcywgb25l IG1vcmUgY29udHJvdmVyc2lhbCB0aGFuIHRoZSBvdGhlci4KCk5laXRoZXIgaXMgcmVhbGx5IGNv bnRyb3ZlcnNhbC4KCj4gRmlyc3Q6IGF1dG8ta2lsbGluZyBibG9hdGVkIHdvcmtlcnMuwqBNeSBj dXJyZW50IGFwcCBoYXMgc29tZSBtZW1vcnkKPiBsZWFrYWdlIHRoYXQgd2Fzbid0IHJlYWxseSB2 aXNpYmxlIG9uIG91ciBvbGRlciBwYXNzZW5nZXIgc2V0dXAsIHNpbmNlCj4gdGhlIGF1dG8tc2Nh bGluZyBtZWFudCB0aGF0IGJsb2F0ZWQgd29ya2VycyBnb3Qga2lsbGVkIHBlcmlvZGljYWxseS4K PiBJbiBhIHBlcmZlY3Qgd29ybGQsIHdlJ2QgZmluZCBhbmQgcGF0Y2ggYWxsIG9mIHRoZSBsZWFr cywgYnV0IGluIHRoZQo+IG1lYW50aW1lIChhbmQgYXMgYSBzYWZldHkgbmV0KSBJJ2QgbGlrZSB0 byBnZXQgdGhlIGJsb2F0ZWQgd29ya2Vycwo+IGF1dG8ta2lsbGVkLiBJdCBsb29rcyBsaWtlIGl0 J2QgYmUgc2ltcGxlIHRvIGFkZCBpbiBhIGJsb2F0ZWQtd29ya2VyCj4gY2hlY2sgYXQgdGhlIHNh bWUgcG9pbnQgd2hlbiB3ZSBjaGVjayBmb3IgdGltZW91dCB2aW9sYXRpb25zLCBhbmQgaXQKPiBj b3VsZCBiZSBoaWRkZW4gYmVoaW5kIGEgY29uZmlnIHNldHRpbmcuIEFsdGVybmF0ZWx5LCBJIGNv dWxkIHdyaXRlCj4gdGhpcyBpbiBhIHNlcGFyYXRlIHNjcmlwdC4KPiAKPiBQcm9zOiBtaWdodCBi ZSBhIHVzZWZ1bCBidWlsdC1pbiBmZWF0dXJlLCBsb29rcyBlYXN5IHRvIGltcGxlbWVudCB0aGUg a2lsbGluZwo+IENvbnM6IEdldHRpbmcgdGhlIG1lbW9yeSB1c2FnZSBtaWdodCBhY3R1YWxseSBi ZSBzdXJwcmlzaW5nbHkKPiBkaWZmaWN1bHQuIENvbXBhcmluZyB0byBwYXNzZW5nZXIncyBtZW1v cnkgbWFuYWdlbWVudCBjb2RlLCB3aGVyZSB0aGV5Cj4gYWN0dWFsbHnCoHVzZSBwbGF0Zm9ybS1z cGVjaWZpYyBzeXN0ZW0gY2FsbHMsIGFuZCB3ZSBtaWdodCBnZXQgYQo+IHNpemVhYmxlIHF1YW50 aXR5IG9mIGNvZGUgdGhhdCB3ZSBkb24ndCB3YW50IGRpcnR5aW5nIHVwIHRoZSB1bmljb3JuCj4g aW50ZXJuYWxzLiBBbHNvLCBzb21lIG1ldGhvZHMgb2YgY2hlY2tpbmcgYXBwZWFyIHRvIGhhdmUg cGVyZm9ybWFuY2UKPiByaXNrcy4KCllvdSBjYW4gdHJ5IHNvbWV0aGluZyBsaWtlIHRoZSBmb2xs b3dpbmcgbWlkZGxld2FyZSAodG90YWxseSB1bnRlc3RlZCwKYnV0IEkndmUgZG9uZSBzaW1pbGFy IHRoaW5ncyBoZXJlIGFuZCB0aGVyZSkuICBJIGRvbid0IGtub3cgYWJvdXQKbm9uLUxpbnV4LCBi dXQgSSBzdXNwZWN0IC9wcm9jLyMkJC8qIGlzIGxpa2VseSB0byBoYXZlIHNvbWV0aGluZwpzaW1p bGFyLi4uCgpjbGFzcyBNZW1DaGVja0xpbnV4IDwgU3RydWN0Lm5ldyg6YXBwKQogIGRlZiBjYWxs KGVudikKICAgICMgYSBmYXN0ZXIsIGJ1dCBsZXNzLXJlYWRhYmxlIHZlcnNpb24gbWF5IHVzZSAv cHJvYy8jJCQvc3RhdCBvcgogICAgIyAvcHJvYy8jJCQvc3RhdG0gYnV0IHRob3NlIGFyZW4ndCBh cyBodW1hbi1mcmllbmRseSBhcwogICAgIyAvcHJvYy8jJCQvc3RhdHVzCiAgICBpZiAvVm1SU1M6 XHMrKFxkKylccy8gPX4gRmlsZS5yZWFkKCIvcHJvYy8jJCQvc3RhdHVzIikKICAgICAgIyBncmFj ZWZ1bGx5IGtpbGwgb3Vyc2VsdmVzIGlmIHdlIGV4Y2VlZCB+MTAwTQogICAgICBQcm9jZXNzLmtp bGwoOlFVSVQsICQkKSBpZiAkMS50b19pID4gMTAwXzAwMAogICAgZW5kCiAgICBhcHAuY2FsbChl bnYpCiAgZW5kCmVuZAoKdXNlIE1lbUNoZWNrTGludXgKcnVuIFJhY2s6OkxvYnN0ZXIubmV3CgpT YWRseSwgc2V0cmxpbWl0KDpSTElNSVRfQVMpIG9ubHkgY2F1c2VzIFNJR1NFR1YgdG8gZ2V0IHJh aXNlZCwKYW5kIFJ1YnkgY29udHJvbHMgdGhhdCBzaWduYWwgZm9yIGl0c2VsZi4gIEkgc29tZXRp bWVzIHVzZQpzZXRybGltaXQoOlJMSU1JVF9DUFUpICsgdHJhcCg6WENQVSkgdG8ga2lsbCBydW5h d2F5IHByb2Nlc3Nlcy4KCkFwYWNoZSBoYXMgbG9uZyBoYWQgYSBzaW1pbGFyIHBhcmFtZXRlciB3 aGVyZSB5b3UgY291bGQganVzdAp0ZWxsIGEgd29ya2VyIHRvIGdyYWNlZnVsbHkgZGllIGFmdGVy IFggbnVtYmVyIG9mIHJlcXVlc3RzLiAgVGhhdCdkCmFsc28gYmUgdHJpdmlhbCB0byBpbXBsZW1l bnQgd2l0aCBtaWRkbHdhcmUgdXNpbmcgU0lHUVVJVC4KCj4gU2Vjb25kOiBpbiBteSB1c2UgY2Fz ZSwgSSBoYXZlIHdlYnNlcnZlcnMgcnVubmluZyBhcyBWTXMsIHNoYXJpbmcgYQo+IHBoeXNpY2Fs IGJveCB3aXRoIGJhY2tlbmQgdXRpbGl0eSBzZXJ2ZXJzLiBUaGUgdXRpbCBzZXJ2ZXJzIHJ1biBs b3RzCj4gb2YgdmVyeSBDUFUtIGFuZCBtZW1vcnktaHVuZ3J5IGpvYnMsIG1vc3RseSBhdCBuaWdo dDsgdGhlIHdlYnNlcnZlcnMKPiBoYW5kbGUgcmVxdWVzdHMsIG1vc3RseSBpbiB0aGUgZGF5dGlt ZS4gQ3VycmVudGx5LCBtb3N0IG9mIHRoZXNlCj4gd2Vic2VydmVycyBhcmUgcnVubmluZyBwYXNz ZW5nZXIsIHdoaWNoIGlzIHZlcnkgcG9saXRlIGFib3V0IG5vdCB1c2luZwo+IG1vcmUgcmVzb3Vy Y2VzIHRoYW4gaXQgbmVlZHMgdG8gaGFuZGxlIHJlcXVlc3RzLiBVbmljb3JuLCBieSBjb250cmFz dAo+IChhbmQgYnkgZGVzaWduKSBpcyB2ZXJ5IHJlc291cmNlLWdyZWVkeSwgd2hhdCB3aXRoIHRo ZSAic2NhbGUgdG8gd2hhdAo+IHlvdSBjYW4gdGhlb3JldGljYWxseSBoYW5kbGUiIHN0cmF0ZWd5 LiBJZiBJIHNwaW4gZG93biBteSBudW1iZXIgb2YKPiB1bmljb3JuIHdvcmtlcnMgd2hlbiB0aGV5 J3JlIG5vdCBuZWVkZWQsIEkgZnJlZSB1cCByZXNvdXJjZXMgZm9yIG15Cj4gdXRpbCBzZXJ2ZXJz LCB3aGljaCBpcyBpbXBvcnRhbnQuIFRUT1UgYW5kIFRUSU4gc2lnbmFscyBnaXZlIG1lIGEKPiAo dmVyeSBuaWNlKSBtZWFucyB0byB3cml0ZSBhbiBhdXRvLXNjYWxpbmcgbW9kdWxlIG91dHNpZGUg b2YgdW5pY29ybiwKPiBidXQgaXQgbWlnaHQgYmUgbmljZSB0byBoYXZlIGl0IGluY2x1ZGVkIGFz IGFuIG9wdGlvbmFsIGNvbXBvbmVudC4gKEkKPiBleHBlY3QgdGhpcyB3aWxsIGdldCB2b3RlZCBk b3duLCBhcyBJIGV4cGVjdCB0aGUgZGV2IHRlYW0gaXMgbm90Cj4gaW50ZXJlc3RlZCBpbiBpdCku CgpJZiB5b3UgY2FuIG1ha2UgYW4gZWZmb3J0IHRvIHN1cHBvcnQgaXQgd2hlbiBpdCBicmVha3Ms IEkgd291bGRuJ3QgbWluZAppbmNsdWRpbmcgYSBzY3JpcHQgaW4gdGhlIGV4YW1wbGVzLyBzZWN0 aW9uIG9yIGFzIGFuIG9wdGlvbmFsIG1vZHVsZS4KCkl0J3MgZGVmaW5pdGVseSBub3QgZ29pbmcg dG8gZXZlciBiZSB0aGUgZGVmYXVsdC4gIEF1dG8tc2NhbGluZyBpcyBoYXJkCihpZiBub3QgaW1w b3NzaWJsZSkgdG8gZ2V0IHJpZ2h0LiAgSW4gbXkgZXhwZXJpZW5jZSwgaXQgYWx3YXlzIGdldAp0 aGluZ3Mgd3JvbmcgYnkgZGVmYXVsdCBvciBnZXRzIGNvbmZpZ3VyZWQgd3JvbmcsIG1ha2luZyB0 aGluZ3MgbW9yZQpkaWZmaWN1bHQgdG8gZml4LgoKRGVkaWNhdGVkIHNlcnZlcnMgd2lsbCBhbHdh eXMgYmUgdGhlIHByaW1hcnkgdGFyZ2V0IG9mIHVuaWNvcm4uCihBbmQgdW5pY29ybiBvZiBjb3Vy c2Ugb25seSBzY2FsZXMgdG8gc2VydmVyICsgYmFja2VuZCByZXNvdXJjZXMsCiBuZ2lueCBoYW5k bGVzIHNjYWxpbmcgdG8gY2xpZW50IGNvbm5lY3Rpb25zIDopCgo+IEhhcHB5IHRvIHdvcmsgb24g aW1wbGVtZW50aW5nIHRoZXNlIG15c2VsZiwganVzdCB3YW50ZWQgdG8gcG9sbCB0byBzZWUKPiBp ZiBpdCdkIGJlIHdvcnRoIGRldmVsb3BpbmcgdGhlbSBhcyBwYXJ0IG9mIHVuaWNvcm4gcHJvcGVy IHJhdGhlciB0aGFuCj4gc3RhbmRhbG9uZSBzY3JpcHRzLgoKSWYgeW91J3JlIHdpbGxpbmcgdG8g aGVscCBzdXBwb3J0IHVzZXJzIG9mIHRoZXNlIHNjcmlwdHMvbW9kdWxlcywKSSdkIGhhdmUgbm8g cmVzZXJ2YXRpb25zIGFib3V0IGRpc3RyaWJ1dGluZyB0aGVtIGFsb25nIHdpdGggdW5pY29ybi4K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KVW5pY29ybiBt YWlsaW5nIGxpc3QgLSBtb25ncmVsLXVuaWNvcm5AcnVieWZvcmdlLm9yZwpodHRwOi8vcnVieWZv cmdlLm9yZy9tYWlsbWFuL2xpc3RpbmZvL21vbmdyZWwtdW5pY29ybgpEbyBub3QgcXVvdGUgc2ln bmF0dXJlcyAobGlrZSB0aGlzIG9uZSkgb3IgdG9wIHBvc3Qgd2hlbiByZXBseWluZwo=