Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id AF4B7181CA for ; Thu, 7 Jan 2016 14:28:41 +0000 (UTC) Received: (qmail 19473 invoked by uid 500); 7 Jan 2016 14:28:40 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 18541 invoked by uid 500); 7 Jan 2016 14:28:40 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 18383 invoked by uid 99); 7 Jan 2016 14:28:40 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 07 Jan 2016 14:28:40 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 2113B2C1F71 for ; Thu, 7 Jan 2016 14:28:40 +0000 (UTC) Date: Thu, 7 Jan 2016 14:28:40 +0000 (UTC) From: "T Jake Luciani (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (CASSANDRA-10975) Histogram buckets exposed in jmx are sorted by count MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/CASSANDRA-10975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] T Jake Luciani updated CASSANDRA-10975: --------------------------------------- Fix Version/s: 3.2 3.0.3 > Histogram buckets exposed in jmx are sorted by count > ---------------------------------------------------- > > Key: CASSANDRA-10975 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10975 > Project: Cassandra > Issue Type: Bug > Components: Observability > Reporter: Chris Lohfink > Fix For: 3.0.3, 3.2 > > Attachments: 10975-2.2.patch > > > The estimated histogram snapshot lets its parent provide the getValues implementation which sorts the bucket array: > https://github.com/dropwizard/metrics/blob/3.1-maintenance/metrics-core/src/main/java/com/codahale/metrics/UniformSnapshot.java#L25 > making it hard to determine what count belonged to what bucket. Along with removal of the pre 2.2 deprecated metrics this makes it nearly impossible to track latencies over time. -- This message was sent by Atlassian JIRA (v6.3.4#6332)