Return-Path: X-Original-To: apmail-cassandra-user-archive@www.apache.org Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id ABEEF94D9 for ; Mon, 9 Apr 2012 22:26:34 +0000 (UTC) Received: (qmail 76121 invoked by uid 500); 9 Apr 2012 22:26:32 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 76074 invoked by uid 500); 9 Apr 2012 22:26:32 -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 76064 invoked by uid 99); 9 Apr 2012 22:26:32 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 09 Apr 2012 22:26:32 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of jbellis@gmail.com designates 209.85.214.44 as permitted sender) Received: from [209.85.214.44] (HELO mail-bk0-f44.google.com) (209.85.214.44) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 09 Apr 2012 22:26:27 +0000 Received: by bkuw5 with SMTP id w5so3993113bku.31 for ; Mon, 09 Apr 2012 15:26:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; bh=zQsiu3AASAfd++MEkeOA6G/uC2kuFUAmX1Sjeeszluw=; b=hnIJ+/DIcRggBNpb1RGOv2XMSJ0MeBOGaiTIbPS9A3OPLRXo3S9s4kgtnnz2P2v6RZ +YcOVayt56dPQUo2Qkwlc41VqwLqaF5eQ/+pYF6eUXzTbS071j6nBTixVWmsYof8oFRD UJJ2J25UNfl/pFwdkM3TxDe0KcRqG0+iGh3zam47jKvYwYLOaVkvLyMiuGfq4RwVthj4 dyHFgNbVgm/KQLHqm8WFv81mz4qUb1xte7xOInPWmkScs/l0KL4RdTVkywHhUrgD8Wgx 2ZkVQvo6cr3b4MQlYnTC7xjOtEiAozA/lqdRuhRTYoRh2gP4djUEc7qXXoRQbISEaAAb sgnQ== Received: by 10.204.156.65 with SMTP id v1mr3693811bkw.109.1334010366612; Mon, 09 Apr 2012 15:26:06 -0700 (PDT) MIME-Version: 1.0 Received: by 10.204.57.210 with HTTP; Mon, 9 Apr 2012 15:25:46 -0700 (PDT) In-Reply-To: <4F7E3E05.6050803@filez.com> References: <4F7E3E05.6050803@filez.com> From: Jonathan Ellis Date: Mon, 9 Apr 2012 17:25:46 -0500 Message-ID: Subject: Re: leveled compaction - improve log message To: user@cassandra.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org CompactionExecutor doesn't have level information available to it; it just compacts the sstables it's told to. But if you enable debug logging on LeveledManifest you'd see what you want. ("Compaction candidates for L{} are {}") 2012/4/5 Radim Kolar : > it would be really helpfull if leveled compaction prints level into syslo= g. > > Demo: > > INFO [CompactionExecutor:891] 2012-04-05 22:39:27,043 CompactionTask.java > (line 113) Compacting ***LEVEL 1*** > [SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-1= 9690-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 688-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 691-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 700-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 686-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 696-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 687-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 695-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 689-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 694-Data.db'), > SSTableReader(path=3D'/var/lib/cassandra/data/rapidshare/querycache-hc-19= 693-Data.db')] > > =A0INFO [CompactionExecutor:891] 2012-04-05 22:39:57,299 CompactionTask.j= ava > (line 221) *** LEVEL 1 *** Compacted to > [/var/lib/cassandra/data/rapidshare/querycache-hc-19701-Data.db,/var/lib/= cassandra/data/rapidshare/querycache-hc-19702-Data.db,/var/lib/cassandra/da= ta/rapidshare/querycache-hc-19703-Data.db,/var/lib/cassandra/data/rapidshar= e/querycache-hc-19704-Data.db,/var/lib/cassandra/data/rapidshare/querycache= -hc-19705-Data.db,/var/lib/cassandra/data/rapidshare/querycache-hc-19706-Da= ta.db,/var/lib/cassandra/data/rapidshare/querycache-hc-19707-Data.db,/var/l= ib/cassandra/data/rapidshare/querycache-hc-19708-Data.db,/var/lib/cassandra= /data/rapidshare/querycache-hc-19709-Data.db,/var/lib/cassandra/data/rapids= hare/querycache-hc-19710-Data.db,/var/lib/cassandra/data/rapidshare/queryca= che-hc-19711-Data.db,]. > =A059,643,011 to 57,564,216 (~96% of original) bytes for 590,909 keys at > 1.814434MB/s. =A0Time: 30,256ms. > > --=20 Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com