Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id CDF83200C0F for ; Thu, 2 Feb 2017 08:24:01 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id CC337160B65; Thu, 2 Feb 2017 07:24:01 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 83D07160B54 for ; Thu, 2 Feb 2017 08:24:00 +0100 (CET) Received: (qmail 38919 invoked by uid 500); 2 Feb 2017 07:23:58 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 38908 invoked by uid 99); 2 Feb 2017 07:23:58 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 02 Feb 2017 07:23:58 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 53541C05E9 for ; Thu, 2 Feb 2017 07:23:58 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -1.199 X-Spam-Level: X-Spam-Status: No, score=-1.199 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, KAM_LAZY_DOMAIN_SECURITY=1, RP_MATCHES_RCVD=-2.999] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id HtWHhIFHDEMv for ; Thu, 2 Feb 2017 07:23:57 +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 378F25FBB2 for ; Thu, 2 Feb 2017 07:23:57 +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 25C38E023B for ; Thu, 2 Feb 2017 07:23:56 +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 8F55B2528C for ; Thu, 2 Feb 2017 07:23:53 +0000 (UTC) Date: Thu, 2 Feb 2017 07:23:53 +0000 (UTC) From: "Hadoop QA (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-13904) DynamoDBMetadataStore to handle DDB throttling failures through retry policy MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 02 Feb 2017 07:24:02 -0000 [ https://issues.apache.org/jira/browse/HADOOP-13904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849567#comment-15849567 ] Hadoop QA commented on HADOOP-13904: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s{color} | {color:blue} Docker mode activated. {color} | | {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 12s{color} | {color:red} HADOOP-13904 does not apply to HADOOP-13345. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} | \\ \\ || Subsystem || Report/Notes || | JIRA Issue | HADOOP-13904 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12850597/HADOOP-13904-HADOOP-13345.002.patch | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/11558/console | | Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > DynamoDBMetadataStore to handle DDB throttling failures through retry policy > ---------------------------------------------------------------------------- > > Key: HADOOP-13904 > URL: https://issues.apache.org/jira/browse/HADOOP-13904 > Project: Hadoop Common > Issue Type: Sub-task > Components: fs/s3 > Affects Versions: HADOOP-13345 > Reporter: Steve Loughran > Assignee: Aaron Fabbri > Attachments: HADOOP-13904-HADOOP-13345.001.patch, HADOOP-13904-HADOOP-13345.002.patch > > > When you overload DDB, you get error messages warning of throttling, [as documented by AWS|http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Programming.Errors.html#Programming.Errors.MessagesAndCodes] > Reduce load on DDB by doing a table lookup before the create, then, in table create/delete operations and in get/put actions, recognise the error codes and retry using an appropriate retry policy (exponential backoff + ultimate failure) -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org