Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 6273918B1E for ; Fri, 22 Jan 2016 02:03:40 +0000 (UTC) Received: (qmail 27820 invoked by uid 500); 22 Jan 2016 02:03:40 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 27761 invoked by uid 500); 22 Jan 2016 02:03:40 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 27714 invoked by uid 99); 22 Jan 2016 02:03:40 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 22 Jan 2016 02:03:40 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id DC9F82C1F68 for ; Fri, 22 Jan 2016 02:03:39 +0000 (UTC) Date: Fri, 22 Jan 2016 02:03:39 +0000 (UTC) From: "Elliott Clark (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HBASE-15146) Don't block on Reader threads queueing to a scheduler queue 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/HBASE-15146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Elliott Clark updated HBASE-15146: ---------------------------------- Attachment: HBASE-15146.5.patch > Don't block on Reader threads queueing to a scheduler queue > ----------------------------------------------------------- > > Key: HBASE-15146 > URL: https://issues.apache.org/jira/browse/HBASE-15146 > Project: HBase > Issue Type: Bug > Affects Versions: 1.2.0 > Reporter: Elliott Clark > Assignee: Elliott Clark > Priority: Blocker > Fix For: 1.2.0 > > Attachments: HBASE-15146.0.patch, HBASE-15146.1.patch, HBASE-15146.2.patch, HBASE-15146.3.patch, HBASE-15146.4.patch, HBASE-15146.5.patch > > > Blocking on the epoll thread is awful. The new rpc scheduler can have lots of different queues. Those queues have different capacity limits. Currently the dispatch method can block trying to add the the blocking queue in any of the schedulers. > This causes readers to block, tcp acks are delayed, and everything slows down. -- This message was sent by Atlassian JIRA (v6.3.4#6332)