Return-Path: X-Original-To: apmail-poi-dev-archive@www.apache.org Delivered-To: apmail-poi-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id C239D1892A for ; Sat, 23 Jan 2016 12:31:58 +0000 (UTC) Received: (qmail 86312 invoked by uid 500); 23 Jan 2016 12:31:58 -0000 Delivered-To: apmail-poi-dev-archive@poi.apache.org Received: (qmail 86265 invoked by uid 500); 23 Jan 2016 12:31:58 -0000 Mailing-List: contact dev-help@poi.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: "POI Developers List" Delivered-To: mailing list dev@poi.apache.org Received: (qmail 86254 invoked by uid 99); 23 Jan 2016 12:31:58 -0000 Received: from mail-relay.apache.org (HELO mail-relay.apache.org) (140.211.11.15) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 23 Jan 2016 12:31:58 +0000 Received: from asf-bz1-us-mid.priv.apache.org (nat1-us-mid.apache.org [23.253.172.122]) by mail-relay.apache.org (ASF Mail Server at mail-relay.apache.org) with ESMTPS id 65F451A047D for ; Sat, 23 Jan 2016 12:31:58 +0000 (UTC) Received: by asf-bz1-us-mid.priv.apache.org (ASF Mail Server at asf-bz1-us-mid.priv.apache.org, from userid 33) id 57944608F7; Sat, 23 Jan 2016 12:31:56 +0000 (UTC) From: bugzilla@apache.org To: dev@poi.apache.org Subject: [Bug 58915] New: memory eaters Date: Sat, 23 Jan 2016 12:31:55 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: POI X-Bugzilla-Component: SXSSF X-Bugzilla-Version: 3.13-FINAL X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: givemejob@ya.ru X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: dev@poi.apache.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bz.apache.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 https://bz.apache.org/bugzilla/show_bug.cgi?id=58915 Bug ID: 58915 Summary: memory eaters Product: POI Version: 3.13-FINAL Hardware: PC Status: NEW Severity: normal Priority: P2 Component: SXSSF Assignee: dev@poi.apache.org Reporter: givemejob@ya.ru Created attachment 33480 --> https://bz.apache.org/bugzilla/attachment.cgi?id=33480&action=edit memory eaters We did stress test: - Tomcat 7 Xmx100m - JVM 7 - on request we start 10 threads and each thread writes large xlsx file with 10 rows sliding window (SXSSF) to the file Library we use: - jxls 2.8 - jxls-poi 1.0.7 - Apache POI 3.13 (poi, poi-ooxml, poi-ooxml-schemas) - xmlbeans 2.6.0 It was assumed that window should reduce memory consumption to volume memory needed for window. For large xlsx files we can see what objects Xobj$ElementXobj, Xobj$AttrXobj, STRefImpl, CTMergeCellImpl eat memory. -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscribe@poi.apache.org For additional commands, e-mail: dev-help@poi.apache.org