From dev-return-49107-archive-asf-public=cust-asf.ponee.io@ignite.apache.org Thu Jan 16 12:37:04 2020 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id A569A180661 for ; Thu, 16 Jan 2020 13:37:03 +0100 (CET) Received: (qmail 12394 invoked by uid 500); 16 Jan 2020 12:37:02 -0000 Mailing-List: contact dev-help@ignite.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@ignite.apache.org Delivered-To: mailing list dev@ignite.apache.org Received: (qmail 12382 invoked by uid 99); 16 Jan 2020 12:37:02 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 16 Jan 2020 12:37:02 +0000 Received: from jira-he-de.apache.org (static.172.67.40.188.clients.your-server.de [188.40.67.172]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 16A1CE0D63 for ; Thu, 16 Jan 2020 12:37:00 +0000 (UTC) Received: from jira-he-de.apache.org (localhost.localdomain [127.0.0.1]) by jira-he-de.apache.org (ASF Mail Server at jira-he-de.apache.org) with ESMTP id 1BDDA7803B6 for ; Thu, 16 Jan 2020 12:37:00 +0000 (UTC) Date: Thu, 16 Jan 2020 12:37:00 +0000 (UTC) From: "Alexey Goncharuk (Jira)" To: dev@ignite.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (IGNITE-12550) Add page read latency histogram per data region MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Alexey Goncharuk created IGNITE-12550: ----------------------------------------- Summary: Add page read latency histogram per data region Key: IGNITE-12550 URL: https://issues.apache.org/jira/browse/IGNITE-12550 Project: Ignite Issue Type: Improvement Components: persistence Reporter: Alexey Goncharuk Assignee: Alexey Goncharuk Fix For: 2.9 During an incident I experienced a large checkpoint mark duration. It was impossible to determine whether this was caused by a stalled disk because of large number of long page reads or by some other reasons. Having a metric showing the page read latency histogram would help in such cases. -- This message was sent by Atlassian Jira (v8.3.4#803005)