Return-Path: Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: (qmail 52101 invoked from network); 21 Mar 2011 22:44:29 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 21 Mar 2011 22:44:29 -0000 Received: (qmail 87021 invoked by uid 500); 21 Mar 2011 22:44:29 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 86992 invoked by uid 500); 21 Mar 2011 22:44:29 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 86980 invoked by uid 99); 21 Mar 2011 22:44:27 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 21 Mar 2011 22:44:27 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of yuzhihong@gmail.com designates 209.85.161.41 as permitted sender) Received: from [209.85.161.41] (HELO mail-fx0-f41.google.com) (209.85.161.41) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 21 Mar 2011 22:44:21 +0000 Received: by fxm18 with SMTP id 18so7745537fxm.14 for ; Mon, 21 Mar 2011 15:44:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:date:message-id:subject:from:to :content-type; bh=rmE5lQ8tPA6OIYyo5UpV/Bsu6/Xp8Rt3jJlZ82R7u+0=; b=xOqHnYVHITjdPSU9iGVqX3WZPM1MT7KMDsBaE10ILRoymi3OoCo0t2sGEvDNBtj/Xt d4yNnDKytJewZeNJFNTm1TEhB68J8JsvkmTrDTUd/aw+WOIf1ST0bK9sUovCKHY6eFee 54swJEN1ZwOjEVf/NPR0MgodA0l5zTQdKRy4E= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=SOyvhKkVCTkpaSoF3hbDS/xZFqq7NEnY1RUD5riT6uIrQKaNl0vtlkysKEeAjVnuLC 6pOx7OytTWcKNT9rH7+hayaHMZYAxny1vf4iCjjvKzj0A6xCEVN+ktxIi9Xj+0JNWjv2 BPACnG8pHHk5vRVpBI+cwU/S/+i27sRImPvLo= MIME-Version: 1.0 Received: by 10.223.102.80 with SMTP id f16mr5718337fao.33.1300747440024; Mon, 21 Mar 2011 15:44:00 -0700 (PDT) Received: by 10.223.95.195 with HTTP; Mon, 21 Mar 2011 15:44:00 -0700 (PDT) Date: Mon, 21 Mar 2011 15:44:00 -0700 Message-ID: Subject: gauging cost of region movement From: Ted Yu To: dev@hbase.apache.org Content-Type: multipart/alternative; boundary=20cf3054a6711aebcf049f05ddd6 --20cf3054a6711aebcf049f05ddd6 Content-Type: text/plain; charset=ISO-8859-1 Can we add a counter for the number of InternalScanner's to HRegion ? We decrement this counter when close() is called. Such counter can be used to gauge the cost of moving the underlying region. Cheers --20cf3054a6711aebcf049f05ddd6--