From oak-issues-return-37897-apmail-jackrabbit-oak-issues-archive=jackrabbit.apache.org@jackrabbit.apache.org Tue Oct 4 08:01:20 2016 Return-Path: X-Original-To: apmail-jackrabbit-oak-issues-archive@minotaur.apache.org Delivered-To: apmail-jackrabbit-oak-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id CC1F5197CD for ; Tue, 4 Oct 2016 08:01:20 +0000 (UTC) Received: (qmail 97741 invoked by uid 500); 4 Oct 2016 08:01:20 -0000 Delivered-To: apmail-jackrabbit-oak-issues-archive@jackrabbit.apache.org Received: (qmail 97707 invoked by uid 500); 4 Oct 2016 08:01:20 -0000 Mailing-List: contact oak-issues-help@jackrabbit.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: oak-dev@jackrabbit.apache.org Delivered-To: mailing list oak-issues@jackrabbit.apache.org Received: (qmail 97695 invoked by uid 99); 4 Oct 2016 08:01:20 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Oct 2016 08:01:20 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 74A252C2A5F for ; Tue, 4 Oct 2016 08:01:20 +0000 (UTC) Date: Tue, 4 Oct 2016 08:01:20 +0000 (UTC) From: "Alex Parvulescu (JIRA)" To: oak-issues@jackrabbit.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (OAK-3588) SegmentNodeStore allow tweaking of lock fairness 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/OAK-3588?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15544677#comment-15544677 ] Alex Parvulescu commented on OAK-3588: -------------------------------------- bq. Anything specific you want to look out for? I think [~chetanm] wants to switch the default to {{true}}. > SegmentNodeStore allow tweaking of lock fairness > ------------------------------------------------ > > Key: OAK-3588 > URL: https://issues.apache.org/jira/browse/OAK-3588 > Project: Jackrabbit Oak > Issue Type: Improvement > Components: segmentmk > Reporter: Alex Parvulescu > Assignee: Alex Parvulescu > Fix For: 1.4, 1.3.10, 1.2.8, 1.0.24 > > Attachments: OAK-3588.patch > > > This will expose the merge semaphores's fairness policy as the semaphore is currently configured as _NonfairSync_ (default value). > Opening this option will be beneficial in collecting more stats around thread starvation and what the best policy is (fair vs non fair). -- This message was sent by Atlassian JIRA (v6.3.4#6332)