Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 62748 invoked from network); 20 Oct 2010 17:13:08 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 20 Oct 2010 17:13:08 -0000 Received: (qmail 92879 invoked by uid 500); 20 Oct 2010 17:13:07 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 92781 invoked by uid 500); 20 Oct 2010 17:13:07 -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 92773 invoked by uid 99); 20 Oct 2010 17:13:07 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Oct 2010 17:13:06 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: local policy) Received: from [64.95.66.66] (HELO mail.choicestream.com) (64.95.66.66) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 20 Oct 2010 17:13:00 +0000 Received: from MAIL.choicestream.com ([fe80::f09b:57df:196b:bd89]) by mail.choicestream.com ([fe80::f09b:57df:196b:bd89%12]) with mapi; Wed, 20 Oct 2010 13:12:17 -0400 From: Henry Luo To: "user@cassandra.apache.org" Date: Wed, 20 Oct 2010 13:12:13 -0400 Subject: How fast does compaction run? Thread-Topic: How fast does compaction run? Thread-Index: ActwefBXd7Fp5T9DQWuVa/j7hRigHQ== Message-ID: <0D83BEFE4B70484AA8BDF69BB54C39067D7394D9@mail.choicestream.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-cr-hashedpuzzle: AzKp Bt1y Byuk B18m CUh7 DMUZ E2u1 GWMW Ge6W Gqnf IR97 IfJ8 Kdcx K0bI LcmO Ly+Z;1;dQBzAGUAcgBAAGMAYQBzAHMAYQBuAGQAcgBhAC4AYQBwAGEAYwBoAGUALgBvAHIAZwA=;Sosha1_v1;7;{5217EC34-8B1F-4BA5-AAC1-499CF99212F3};aABsAHUAbwBAAGMAaABvAGkAYwBlAHMAdAByAGUAYQBtAC4AYwBvAG0A;Wed, 20 Oct 2010 17:12:13 GMT;SABvAHcAIABmAGEAcwB0ACAAZABvAGUAcwAgAGMAbwBtAHAAYQBjAHQAaQBvAG4AIAByAHUAbgA/AA== x-cr-puzzleid: {5217EC34-8B1F-4BA5-AAC1-499CF99212F3} acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_0D83BEFE4B70484AA8BDF69BB54C39067D7394D9mailchoicestrea_" MIME-Version: 1.0 --_000_0D83BEFE4B70484AA8BDF69BB54C39067D7394D9mailchoicestrea_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable We are using 0.6.1, and are planning to upgrade to 0.6.6. Currently, we ar= e observing that the compaction is going at the rate about ~10MB per second= . We did not see obvious bottleneck hardware wise. Is this normal, or did we miss something? ________________________________ The information transmitted is intended only for the person or entity to wh= ich it is addressed and may contain confidential, proprietary, and/or privi= leged material. Any review, retransmission, dissemination or other use of, = or taking of any action in reliance upon this information by persons or ent= ities other than the intended recipient is prohibited. If you received this= in error, please contact the sender and delete the material from all compu= ters. --_000_0D83BEFE4B70484AA8BDF69BB54C39067D7394D9mailchoicestrea_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

We are using 0.6.1, and are planning to upgrade to 0= .6.6.  Currently, we are observing that the compaction is going at the= rate about ~10MB per second. We did not see obvious bottleneck hardware wi= se.

 

Is this normal, or did we miss something?=


The information transmitted = is intended only for the person or entity to which it is addressed and may = contain confidential, proprietary, and/or privileged material. Any review, = retransmission, dissemination or other use of, or taking of any action in reliance upon this information by perso= ns or entities other than the intended recipient is prohibited. If you rece= ived this in error, please contact the sender and delete the material from = all computers.
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