From issues-return-198874-archive-asf-public=cust-asf.ponee.io@spark.apache.org Tue Aug 14 05:31:03 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 6EAC4180629 for ; Tue, 14 Aug 2018 05:31:03 +0200 (CEST) Received: (qmail 92019 invoked by uid 500); 14 Aug 2018 03:31:02 -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 92003 invoked by uid 99); 14 Aug 2018 03:31:02 -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; Tue, 14 Aug 2018 03:31:02 +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 DCDB3C6E34 for ; Tue, 14 Aug 2018 03:31:01 +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 sXNKpRt64XTa for ; Tue, 14 Aug 2018 03:31:01 +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 1C9345F30E for ; Tue, 14 Aug 2018 03:31:01 +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 AA59EE0E3E for ; Tue, 14 Aug 2018 03:31:00 +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 48BCB23F98 for ; Tue, 14 Aug 2018 03:31:00 +0000 (UTC) Date: Tue, 14 Aug 2018 03:31:00 +0000 (UTC) From: "Yuanbo Liu (JIRA)" To: issues@spark.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (SPARK-25109) spark python should retry reading another datanode if the first one fails to connect 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/SPARK-25109?page=3Dcom.atlassi= an.jira.plugin.system.issuetabpanels:all-tabpanel ] Yuanbo Liu updated SPARK-25109: ------------------------------- Description:=20 We use this code to read parquet files from HDFS: spark.read.parquet('xxx') and=C2=A0get error as below: !WeChatWorkScreenshot_86b5cccc-1d19-430a-a138-335e4bd3211c.png! =C2=A0 What we can get is that one of the replica block cannot be read for some re= ason, but spark python doesn't try to read another replica which can be rea= d successfully. So the application fails after throwing exception. When I use hadoop fs -text to read the file, I can get content correctly. I= t would be great that spark python can retry reading another replica block = instead of failing. =C2=A0 was: We use this code to read parquet files from HDFS: spark.read.parquet('xxx') and=C2=A0get error as below: !WeChatWorkScreenshot_86b5cccc-1d19-430a-a138-335e4bd3211c.png! =C2=A0 What we can get is that one of the replica block cannot be read for some re= ason, but spark python doesn't try to read another replica which can be rea= d successfully. So the application fails after throwing exception. When I use hadoop fs -text to read the file, I can get content correctly. I= t would be great if spark python can retry reading another replica block in= stead of failing. =C2=A0 > spark python should retry reading another datanode if the first one fails= to connect > -------------------------------------------------------------------------= ----------- > > Key: SPARK-25109 > URL: https://issues.apache.org/jira/browse/SPARK-25109 > Project: Spark > Issue Type: Bug > Components: PySpark > Affects Versions: 2.3.1 > Reporter: Yuanbo Liu > Priority: Major > Attachments: WeChatWorkScreenshot_86b5cccc-1d19-430a-a138-335e4bd= 3211c.png > > > We use this code to read parquet files from HDFS: > spark.read.parquet('xxx') > and=C2=A0get error as below: > !WeChatWorkScreenshot_86b5cccc-1d19-430a-a138-335e4bd3211c.png! > =C2=A0 > What we can get is that one of the replica block cannot be read for some = reason, but spark python doesn't try to read another replica which can be r= ead successfully. So the application fails after throwing exception. > When I use hadoop fs -text to read the file, I can get content correctly.= It would be great that spark python can retry reading another replica bloc= k instead of failing. > =C2=A0 -- 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