From dev-return-9924-archive-asf-public=cust-asf.ponee.io@olingo.apache.org Thu Oct 18 02:49:03 2018 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 [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id 221C918061A for ; Thu, 18 Oct 2018 02:49:02 +0200 (CEST) Received: (qmail 9777 invoked by uid 500); 18 Oct 2018 00:49:02 -0000 Mailing-List: contact dev-help@olingo.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@olingo.apache.org Delivered-To: mailing list dev@olingo.apache.org Received: (qmail 9765 invoked by uid 99); 18 Oct 2018 00:49:02 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd1-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 18 Oct 2018 00:49:01 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd1-us-west.apache.org (ASF Mail Server at spamd1-us-west.apache.org) with ESMTP id 718A7C74C5 for ; Thu, 18 Oct 2018 00:49:01 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd1-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -109.501 X-Spam-Level: X-Spam-Status: No, score=-109.501 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, KAM_ASCII_DIVIDERS=0.8, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, USER_IN_DEF_SPF_WL=-7.5, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd1-us-west.apache.org [10.40.0.7]) (amavisd-new, port 10024) with ESMTP id vpkUQqs9hkwZ for ; Thu, 18 Oct 2018 00:49:00 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 95DFB5F432 for ; Thu, 18 Oct 2018 00:49:00 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 517F8E002F for ; Thu, 18 Oct 2018 00:49:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 12C1121237 for ; Thu, 18 Oct 2018 00:49:00 +0000 (UTC) Date: Thu, 18 Oct 2018 00:49:00 +0000 (UTC) From: "Scott Webster (JIRA)" To: dev@olingo.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (OLINGO-1302) Performance: Olingo V4 is slower than Olingo V2 when de-serializing JSON response body MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/OLINGO-1302?page=3Dcom.atlassia= n.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D166= 54474#comment-16654474 ]=20 Scott Webster commented on OLINGO-1302: --------------------------------------- [~rareddy] Yes - the payloads are similar and both contain 500 Invoices row= s. My profiling indicates that about a third of the time is spent in the Js= onDeserializer.populate() method which is executed once for each row. Are t= here any optimizations that could be performed there? > Performance: Olingo V4 is slower than Olingo V2 when de-serializing JSON = response body > -------------------------------------------------------------------------= ------------- > > Key: OLINGO-1302 > URL: https://issues.apache.org/jira/browse/OLINGO-1302 > Project: Olingo > Issue Type: Bug > Components: odata4-client > Affects Versions: (Java) V4 4.4.0 > Reporter: Scott Webster > Priority: Critical > Labels: performance > Attachments: TestOlingoV4.Profiling.PNG, olingo-performance-test.= zip > > > Olingo V4 is slower than Olingo V2 when de-serializing the JSON response = body. > The following request to the OData V2 Microsoft NorthWind source returns = 500 records with 26 columns: > [http://services.odata.org/V2/Northwind/Northwind.svc/Invoices?$top=3D50= 0&$format=3Djson] > The following request to the OData V4 Microsoft NorthWind source returns = 500 records with 26 columns: > [http://services.odata.org/V4/Northwind/Northwind.svc/Invoices?$top=3D50= 0&$format=3Djson] > When parsing the V2 response by calling the EntityProvider.readFeed() met= hod, the elapsed time is approximately 180 ms. > When parsing the V4 response by calling the getODataEntitySet() method, = the elapsed time is approximately 320 ms. > I have attached a zipped up Eclipse project (olingo-performance-test) whi= ch contains two Java programs (TestOlingoV2.java, TestOlingoV4.java). > These programs can be run to compare the performance of the JSON deseria= lization in Olingo V2 and V4. > The Northwind metadata and the JSON response body are read from files in= cluded in the project. > I have attached a snapshot image from a SAP Java Profiling tool showing p= rofiling on the TestOlingoV4 program. > =C2=A0 > =C2=A0 > =C2=A0 -- This message was sent by Atlassian JIRA (v7.6.3#76005)