Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9E06918245 for ; Wed, 16 Dec 2015 10:09:47 +0000 (UTC) Received: (qmail 86174 invoked by uid 500); 16 Dec 2015 10:09:46 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 86083 invoked by uid 500); 16 Dec 2015 10:09:46 -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 86071 invoked by uid 99); 16 Dec 2015 10:09:46 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Dec 2015 10:09:46 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 947D52C1F56 for ; Wed, 16 Dec 2015 10:09:46 +0000 (UTC) Date: Wed, 16 Dec 2015 10:09:46 +0000 (UTC) From: "Jianwei Cui (JIRA)" To: dev@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HBASE-14992) Add cache stats of past n periods in region server status page MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Jianwei Cui created HBASE-14992: ----------------------------------- Summary: Add cache stats of past n periods in region server status page Key: HBASE-14992 URL: https://issues.apache.org/jira/browse/HBASE-14992 Project: HBase Issue Type: Improvement Components: BlockCache, metrics Affects Versions: 2.0.0 Reporter: Jianwei Cui Priority: Minor The cache stats of past n periods, such as SumHitCountsPastNPeriods, SumHitCachingCountsPastNPeriods, etc, are useful to indicate the real-time read load of region server, especially for temporary read peak. It is helpful to add such metrics to BlockCache#Stats tab of region server status page. Discussion and suggestion are welcomed. -- This message was sent by Atlassian JIRA (v6.3.4#6332)