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 B5604193F9 for ; Tue, 29 Mar 2016 05:39:26 +0000 (UTC) Received: (qmail 74294 invoked by uid 500); 29 Mar 2016 05:39:26 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 73651 invoked by uid 500); 29 Mar 2016 05:39:25 -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 73619 invoked by uid 99); 29 Mar 2016 05:39:25 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 29 Mar 2016 05:39:25 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 9B1772C14FB for ; Tue, 29 Mar 2016 05:39:25 +0000 (UTC) Date: Tue, 29 Mar 2016 05:39:25 +0000 (UTC) From: "stack (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HBASE-15555) Memory Management MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 stack created HBASE-15555: ----------------------------- Summary: Memory Management Key: HBASE-15555 URL: https://issues.apache.org/jira/browse/HBASE-15555 Project: HBase Issue Type: Umbrella Reporter: stack Umbrella issue on memory management. One-stop shop to learn how we're doing it, tenets, and work to be done Subtasks include: + Map of memory allocation and recycling landscape + Where are we allocating when we could be recycling + MSLAB and G1GC don't go together? + Enable MSLAB pool always? + With offheap allocations, less GC but it runs for longer? + Better heuristics recycling: e.g. HBASE-15525 OutOfMemory could occur when using BoundedByteBufferPool during RPC bursts + See if can do DFSClient buffer reuse: HBASE-15506 FSDataOutputStream.write() allocates new byte buffer on each operation What else? -- This message was sent by Atlassian JIRA (v6.3.4#6332)