From user-return-63350-archive-asf-public=cust-asf.ponee.io@cassandra.apache.org Mon Mar 4 15:28:50 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 5FB02180627 for ; Mon, 4 Mar 2019 16:28:50 +0100 (CET) Received: (qmail 38073 invoked by uid 500); 4 Mar 2019 15:28:48 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 38063 invoked by uid 99); 4 Mar 2019 15:28:48 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Mar 2019 15:28:48 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id F1390C6AFF for ; Mon, 4 Mar 2019 15:28:47 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.798 X-Spam-Level: * X-Spam-Status: No, score=1.798 tagged_above=-999 required=6.31 tests=[DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=disabled Authentication-Results: spamd1-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id 19cQLwwIykrH for ; Mon, 4 Mar 2019 15:28:46 +0000 (UTC) Received: from mail-ed1-f47.google.com (mail-ed1-f47.google.com [209.85.208.47]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id E39D35FD3E for ; Mon, 4 Mar 2019 15:21:51 +0000 (UTC) Received: by mail-ed1-f47.google.com with SMTP id g9so4553064eds.3 for ; Mon, 04 Mar 2019 07:21:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=svDJgzEJCYQlQPJiZxEflNd/Qs5r8Oi9v3MJT7lUV5c=; b=GnuRN2mAQuPl7XWYlYWjd7it+lznCb4KwWepkxF44B7R0dC84mkdbGsnuWiRLgwB9U YNt87x1E2MZTd0xqvYNxlLCa2L0/sHWO2ViuyCnu5DxkoucJFTwP65ZEoKzUecfm83GY Ir4LhqJgJ6zdEFB9hiDV4a72xf4InIAffmILTLbRp44J0nCvCTC7t4A8hpz+AZmUUsI9 KlXz34e3bgNKcGngZqI8fkKxe4dNvap9BF8MPVJfQsFDn9oR54uA14YaONf77ZeyTKAH ITMdolIvTlwZKjP1F1dJfkaUVRYHB3ohOQubAMNBJaTZR/REaUmANdj9PiDN3DlqyNUG 1p8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=svDJgzEJCYQlQPJiZxEflNd/Qs5r8Oi9v3MJT7lUV5c=; b=gwICEZoRHDHsmmGb2uVmg5ubf6uMbb4YqYjAow9YebpWBGPJCYOxI9L8Sae9mOrUu1 NYD0VlwDWMmKRx0gOQ5sa+6k7uonh7qhToyiy55cAy3sX4K6UyheWynbAcDXSTNuN6aB UNxF26sKjUDHiXZQweAB4rnTg3fsKlOmzmcWlUY/8IdlD0blZmtwRChjubecsmNhiKI2 ZEP2e+N5NfL00r+H1+quNXgOvglLcAXzBq+rM8JGVvGjbzBcdYBBYtsdXmWiSaYMslI1 9bfB0XKdryd4bzaJb9bRZYs0diFZrzd/Bx20gvQWXnAphGf2uZxvihpH+OPDTYdvzpKN oRog== X-Gm-Message-State: APjAAAXsNZ3fZrzVVcUlBMDFjlbo4243cxy2/Hmo+mks+XrIZ06ki0Jc 5s5Ee+8uvpNvqhn7h2HiqBPgnVBbD8uLc1iUrW5e0+tm X-Google-Smtp-Source: APXvYqzH5JcdD1h2EZZJjzJpgUaCa7oNixMG0rexiRn4H8LaYMMdkw0qSZveIpwns3RusHwSmOrC++Q8yL4qXvWt9gQ= X-Received: by 2002:a50:9fe9:: with SMTP id c96mr16253597edf.0.1551712905060; Mon, 04 Mar 2019 07:21:45 -0800 (PST) MIME-Version: 1.0 From: shalom sagges Date: Mon, 4 Mar 2019 17:21:33 +0200 Message-ID: Subject: A Question About Hints To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary="0000000000007fe6c505834650fa" --0000000000007fe6c505834650fa Content-Type: text/plain; charset="UTF-8" Hi All, Does anyone know what is the most optimal hints configuration (multiple DCs) in terms of max_hints_delivery_threads and hinted_handoff_throttle_in_kb? If it's different for various use cases, is there a rule of thumb I can work with? I found this post but it's quite old: http://www.uberobert.com/bandwidth-cassandra-hinted-handoff/ Thanks! --0000000000007fe6c505834650fa Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi= All,

Does anyone know what is the most optimal hi= nts configuration (multiple DCs) in terms of
max_hints_deliv= ery_threads and hinted_handoff_throttle_in_kb?
If it's d= ifferent for various use cases, is there a rule of thumb I can work with?

I found this post but it's quite old:
h= ttp://www.uberobert.com/bandwidth-cassandra-hinted-handoff/

Thanks!
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