From issues-return-186177-archive-asf-public=cust-asf.ponee.io@spark.apache.org Fri Mar 2 19:00:10 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 D8A1418062F for ; Fri, 2 Mar 2018 19:00:09 +0100 (CET) Received: (qmail 68153 invoked by uid 500); 2 Mar 2018 18:00:08 -0000 Mailing-List: contact issues-help@spark.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@spark.apache.org Received: (qmail 68144 invoked by uid 99); 2 Mar 2018 18:00:08 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 02 Mar 2018 18:00:08 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 7C37E1805D6 for ; Fri, 2 Mar 2018 18:00:08 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -110.311 X-Spam-Level: X-Spam-Status: No, score=-110.311 tagged_above=-999 required=6.31 tests=[ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01, 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 (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id PhYanDybZqYX for ; Fri, 2 Mar 2018 18:00:06 +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 DE52D5F3CD for ; Fri, 2 Mar 2018 18:00:04 +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 6A2ECE0254 for ; Fri, 2 Mar 2018 18:00:04 +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 E42C824795 for ; Fri, 2 Mar 2018 18:00:00 +0000 (UTC) Date: Fri, 2 Mar 2018 18:00:00 +0000 (UTC) From: "imran shaik (JIRA)" To: issues@spark.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (SPARK-18492) GeneratedIterator grows beyond 64 KB 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/SPARK-18492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16383891#comment-16383891 ] imran shaik commented on SPARK-18492: ------------------------------------- Spark 2.3.0 has same issue unfortunately Here is the screenshot !Screenshot from 2018-03-02 12-57-51.png! > GeneratedIterator grows beyond 64 KB > ------------------------------------ > > Key: SPARK-18492 > URL: https://issues.apache.org/jira/browse/SPARK-18492 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.0.1 > Environment: CentOS release 6.7 (Final) > Reporter: Norris Merritt > Priority: Major > Attachments: Screenshot from 2018-03-02 12-57-51.png > > > spark-submit fails with ERROR CodeGenerator: failed to compile: org.codehaus.janino.JaninoRuntimeException: Code of method "(I[Lscala/collection/Iterator;)V" of class "org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator" grows beyond 64 KB > Error message is followed by a huge dump of generated source code. > The generated code declares 1,454 field sequences like the following: > /* 036 */ private org.apache.spark.sql.catalyst.expressions.ScalaUDF project_scalaUDF1; > /* 037 */ private scala.Function1 project_catalystConverter1; > /* 038 */ private scala.Function1 project_converter1; > /* 039 */ private scala.Function1 project_converter2; > /* 040 */ private scala.Function2 project_udf1; > .... (many omitted lines) ... > /* 6089 */ private org.apache.spark.sql.catalyst.expressions.ScalaUDF project_scalaUDF1454; > /* 6090 */ private scala.Function1 project_catalystConverter1454; > /* 6091 */ private scala.Function1 project_converter1695; > /* 6092 */ private scala.Function1 project_udf1454; > It then proceeds to emit code for several methods (init, processNext) each of which has totally repetitive sequences of statements pertaining to each of the sequences of variables declared in the class. For example: > /* 6101 */ public void init(int index, scala.collection.Iterator inputs[]) { > The reason that the 64KB JVM limit for code for a method is exceeded is because the code generator is using an incredibly naive strategy. It emits a sequence like the one shown below for each of the 1,454 groups of variables shown above, in > /* 6132 */ this.project_udf = (scala.Function1)project_scalaUDF.userDefinedFunc(); > /* 6133 */ this.project_scalaUDF1 = (org.apache.spark.sql.catalyst.expressions.ScalaUDF) references[10]; > /* 6134 */ this.project_catalystConverter1 = (scala.Function1)org.apache.spark.sql.catalyst.CatalystTypeConverters$.MODULE$.createToCatalystConverter(project_scalaUDF1.dataType()); > /* 6135 */ this.project_converter1 = (scala.Function1)org.apache.spark.sql.catalyst.CatalystTypeConverters$.MODULE$.createToScalaConverter(((org.apache.spark.sql.catalyst.expressions.Expression)(((org.apache.spark.sql.catalyst.expressions.ScalaUDF)references[10]).getChildren().apply(0))).dataType()); > /* 6136 */ this.project_converter2 = (scala.Function1)org.apache.spark.sql.catalyst.CatalystTypeConverters$.MODULE$.createToScalaConverter(((org.apache.spark.sql.catalyst.expressions.Expression)(((org.apache.spark.sql.catalyst.expressions.ScalaUDF)references[10]).getChildren().apply(1))).dataType()); > It blows up after emitting 230 such sequences, while trying to emit the 231st: > /* 7282 */ this.project_udf230 = (scala.Function2)project_scalaUDF230.userDefinedFunc(); > /* 7283 */ this.project_scalaUDF231 = (org.apache.spark.sql.catalyst.expressions.ScalaUDF) references[240]; > /* 7284 */ this.project_catalystConverter231 = (scala.Function1)org.apache.spark.sql.catalyst.CatalystTypeConverters$.MODULE$.createToCatalystConverter(project_scalaUDF231.dataType()); > .... many omitted lines ... > Example of repetitive code sequences emitted for processNext method: > /* 12253 */ boolean project_isNull247 = project_result244 == null; > /* 12254 */ MapData project_value247 = null; > /* 12255 */ if (!project_isNull247) { > /* 12256 */ project_value247 = project_result244; > /* 12257 */ } > /* 12258 */ Object project_arg = sort_isNull5 ? null : project_converter489.apply(sort_value5); > /* 12259 */ > /* 12260 */ ArrayData project_result249 = null; > /* 12261 */ try { > /* 12262 */ project_result249 = (ArrayData)project_catalystConverter248.apply(project_udf248.apply(project_arg)); > /* 12263 */ } catch (Exception e) { > /* 12264 */ throw new org.apache.spark.SparkException(project_scalaUDF248.udfErrorMessage(), e); > /* 12265 */ } > /* 12266 */ > /* 12267 */ boolean project_isNull252 = project_result249 == null; > /* 12268 */ ArrayData project_value252 = null; > /* 12269 */ if (!project_isNull252) { > /* 12270 */ project_value252 = project_result249; > /* 12271 */ } > /* 12272 */ Object project_arg1 = project_isNull252 ? null : project_converter488.apply(project_value252); > /* 12273 */ > /* 12274 */ ArrayData project_result248 = null; > /* 12275 */ try { > /* 12276 */ project_result248 = (ArrayData)project_catalystConverter247.apply(project_udf247.apply(project_arg1)); > /* 12277 */ } catch (Exception e) { > /* 12278 */ throw new org.apache.spark.SparkException(project_scalaUDF247.udfErrorMessage(), e); > /* 12279 */ } > /* 12280 */ > /* 12281 */ boolean project_isNull251 = project_result248 == null; > /* 12282 */ ArrayData project_value251 = null; > /* 12283 */ if (!project_isNull251) { > /* 12284 */ project_value251 = project_result248; > /* 12285 */ } > /* 12286 */ Object project_arg2 = project_isNull251 ? null : project_converter487.apply(project_value251); > /* 12287 */ > /* 12288 */ InternalRow project_result247 = null; > /* 12289 */ try { > /* 12290 */ project_result247 = (InternalRow)project_catalystConverter246.apply(project_udf246.apply(project_arg2)); > /* 12291 */ } catch (Exception e) { > /* 12292 */ throw new org.apache.spark.SparkException(project_scalaUDF246.udfErrorMessage(), e); > /* 12293 */ } > /* 12294 */ > /* 12295 */ boolean project_isNull250 = project_result247 == null; > /* 12296 */ InternalRow project_value250 = null; > /* 12297 */ if (!project_isNull250) { > /* 12298 */ project_value250 = project_result247; > /* 12299 */ } > /* 12300 */ Object project_arg3 = project_isNull250 ? null : project_converter486.apply(project_value250); > /* 12301 */ > /* 12302 */ InternalRow project_result246 = null; > /* 12303 */ try { > /* 12304 */ project_result246 = (InternalRow)project_catalystConverter245.apply(project_udf245.apply(project_arg3)); > /* 12305 */ } catch (Exception e) { > /* 12306 */ throw new org.apache.spark.SparkException(project_scalaUDF245.udfErrorMessage(), e); > /* 12307 */ } > /* 12308 */ > It is pretty clear that the code generation strategy is naive. The code generator should use arrays and loops instead of emitting all these repetitive code sequences which only differ by a few numerical digits used to generate the name of the variables. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org For additional commands, e-mail: issues-help@spark.apache.org