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Apache Accumulo Installation Guide

1. This section describes how to install Accumulo by using Cloudera Manager If you prefer to install Accumulo from a tarball skip this section and see the Installing Apache Accumulo from the Distribution Tarball section on page 8 Installing and Configuring Cloudera Manager 5 and CDH4 3 Follow the documentation for installing and configuring Cloudera Manager 5 with CDH4 3 During the installation of CDH you must choose the CDH4 3 parcel when going through the wizard 1 Be sure the Use Parcels option is checked Choose Method Use Packages Use Parcels Recommended 3 2 Under More Options add the CDH4 3 parcel repository URL http archive cloudera com cdh4 parcels 4 3 2 and click Add Add More Options http archive cloudera com cdh4 parcels 4 3 2 Example http archive cloudera com cdhS parcels lLatest 3 Select version CDH 4 3 2 1 cdh4 3 2 p0 2 for the CDH parcel GDH CDH 5 0 0 0 cdnsb1 p0 57 CDH 4 5 0 1 cdn4 5 0 p0 30 ei CDH 4 3 2 1 cdh4 3 2 p0 2 4 Click Continue and follow the rest of the installation steps as described in the documentation Accumulo requires that you setup the HDFS Zookeeper and MapReduce services only MRv1 is currently supported Other services are optional 2 Apache Accumulo Installation Guide Installing Apache Accumulo by using Cloudera Manager Adding the Accumulo 1 4 3 Parcel Repository to Cloudera Manager In order to install Accumulo you must configure Cloude
2. FQDN Apache Accumulo Installation Guide 15 Troubleshooting Monitor monitor FQDN Tracer tracer FQDN TabletServer tserver FQODN Review the logs on the Master as well as the TabletServers if you encounter issues Example If the native libraries Accumulo relies on aren t in usr lib accumulo lib native the TabletServers will throw an error yet continue to run You can see this by running the following command after starting a TabletServer where usr lib accumulo lib native doesn t exist S grep ERROR var log accumulo tserver_localhost localdomain log 2013 08 28 10 28 15 813 tabletserver NativeMap ERROR Failed to load native map library usr lib accumulo lib native map libNativeMap Linux amd64 64 s0 To fix this error run the following commands to rebuild the native libraries Accumulo needs and then restart your TabletServer Sudo su accumulo S Co usr7lib accumulo S make C src server src main ctt bin tdown sh amp amp bin tup sh If you look at the var log accumulo tserver_localhost localdomain 1log file you will see there are no additional entries related to the missing library Note If you haven t previously compiled native libraries you may need to install additional packages via the yum command in order to build them sudo yum install sqee er glibe develwiGcse libstde devel 1636 16 Apache Accumulo Installation Guide
3. by any means electronic mechanical photocopying recording or otherwise or for any purpose without the express written permission of Cloudera Cloudera may have patents patent applications trademarks copyrights or other intellectual property rights covering subject matter in this document Except as expressly provided in any written license agreement from Cloudera the furnishing of this document does not give you any license to these patents trademarks copyrights or other intellectual property The information in this document is subject to change without notice Cloudera shall not be liable for any damages resulting from technical errors or omissions which may be present in this document or from use of this document Cloudera Inc 1001 Page Mill Road Palo Alto CA 94304 1008 info cloudera com US 1 888 789 1488 Intl 1 650 362 0488 www cloudera com Release Information Version 1 4 3 cdh4 3 0 Date January 20 2014 Table of Contents INTRODUCING APACHE ACCUMULO oss ccsieccicetee soetenvencatedcncdaceiveccudadeessnenesesduneduestncesucccudecvecdacen accsudvevessaraceesendveeasias 1 RIN WINGS UES coset dances ctesmecuseaaeneiaenenncont A uaanncabaeuaenaeseasumeeecensacsanecoatcsesteattantousaeenee 1 Feedback loop on trace tape esse eee 1 Spurious warnings when USING Cloudera Moangger sss sss sees x eee eee 1 Cloudera Manager does not set the correct permissions for the J ACCUMUIO directory sese eee ee
4. map Spurious warnings when using Cloudera Manager When executing certain utilities including the Accumulo shell against a Clooudera Manager installed Accumulo cluster you will see warnings about missing configuration files Severity Low Workaround Ignore warnings Resolution To be fixed in an upcoming release Cloudera Manager does not set the correct permissions for the accumulo directory After installing Accumulo using Cloudera Manager clients will see Permission denied errors on the accumulo directory Severity Low Workaround Set the appropriate permissions on the directory as described in the following Installing Apache Accumulo by using Cloudera Manager section Resolution To be fixed in an upcoming release Apache Accumulo Installation Guide 1 Installing Apache Accumulo by using Cloudera Manager Prerequisites Accumulo depends on Hadoop HDFS amp MapReduce and ZooKeeper libraries and configuration information TabletServers and Loggers should be collocated with DataNodes These DataNodes do not require TaskTrackers The Cloudera release of Apache Accumulo is tested for use with CDH 4 3 0 or later either in parcel Cloudera Manager or package RPM DEB form Examples given are for a package based install on the CDH 4 3 0 QuickStart VM available for VMware VirtualBox and KVM but multi node examples have been provided where needed Installing Apache Accumulo by using Cloudera Manager
5. opt cloudera csd directory and change ownership of the directory and its contents S Sudo lt o accimulo 134 3 Jar opt7 cloudera csd S sudo chown R cloudera scm cloudera sem opt cloudera csd 4 Restart the Cloudera Management Services Y Cloudera Management Services Ld mgmt mgmti Actions Start Stop Restart a service 4 Apache Accumulo Installation Guide Installing Apache Accumulo by using Cloudera Manager Adding the Accumulo Service 1 Click the Clusters tab and then choose All Services 2 From the Actions menu select Add a Service 3 Select Accumulo and click Continue 4 Select the dependent services and click Continue 5 Assign the Accumulo roles to the hosts in your cluster Cloudera recommends assigning a Logger and Tablet Server role on each host that is assigned the DataNode role The Monitor Garbage Collector Tracer and Master roles should all be assigned to non DataNodes The Gateway role should be assigned to any hosts where you want to use Accumulo that don t already have any other Accumulo roles assigned 6 Click Continue 7 Click Accept 8 Click Continue 9 Click Continue 10 From the accumulo Actions menu select Start 9 accumulo F s O A adre accumulo Actions S mapreduce Start 11 Click on the accumulo service 12 From the Actions menu select Deploy Client Configuration Note If you are following the wizard install steps 10 12 above will be perf
6. Cloudera Ask Bigger Questions Apache Accumulo Installation Guide d d f p _ 4 a 7 oe 0 l L X 774 D LAR a 4 2 a N x cme 7 j J an Yj Important Notice 2010 2014 Cloudera Inc All rights reserved Cloudera the Cloudera logo Cloudera Impala Impala and any other product or service names or slogans contained in this document except as otherwise disclaimed are trademarks of Cloudera and its suppliers or licensors and may not be copied imitated or used in whole or in part without the prior written permission of Cloudera or the applicable trademark holder Hadoop and the Hadoop elephant logo are trademarks of the Apache Software Foundation Apache Accumulo Accumulo Apache the Apache feather logo and the Apache Accumulo project logo are trademarks of the Apache Software Foundation All other trademarks registered trademarks product names and company names or logos mentioned in this document are the property of their respective owners Reference to any products services processes or other information by trade name trademark manufacturer supplier or otherwise does not constitute or imply endorsement sponsorship or recommendation thereof by us Complying with all applicable copyright laws is the responsibility of the user Without limiting the rights under copyright no part of this document may be reproduced stored in or introduced into a retrieval system or transmitted in any form or
7. G ACCUMULO FOR YOUR IEN RIEN a n anana hain aZ Ean aa bana EEREN EEEN OEE 9 PITTI ZING CUNO Oi a S E E E EEA E AEE EEE EA EE E ER 12 EIT Ie ee ewe ee ace wesc ce O E A N E sn E A eee E 14 TOPPING AC aes ceed sens E E seumane aed oemncecgrancnceeuancaanseseeeeate 14 TROUBLESHOOTING T 15 REVIEWING ACCUMULO Ee 15 EXAMPLE ive sciorsesns c bnsin cietacinre mutans asus astuaseereaeaaelaure duis ave nenieson oameuies wamieatnen AENEID EEE E 16 Introducing Apache Accumulo Introducing Apache Accumulo Apache Accumulo is an ideal solution for government agencies looking for a secure distributed NoSQL data store to serve their most performance intensive Big Data applications Accumulo is an open source project integrated with Hadoop and provides the ability to store data in massive tables billions of rows millions of columns for fast random access Accumulo was created and contributed to the Apache Software Foundation by the National Security Agency NSA It has quickly gained adoption as a Hadoop based key value store for applications that have unique and stringent information security requirements Known Issues Feedback loop on trace table Under certain circumstances a tablet server with a small in memory map can get into a feedback loop where flushes of a tablet for the trace table cause additional tracer entries about the flush Bug ACCUMULO 2014 Severity Low Workaround Increase the amount of memory available for the in memory
8. S ITN lt name gt master port client lt name gt lt value OO Wx valne lt Prope riny You will also need to open up TCP port 10010 in your firewall if you are running Hue and the Accumulo Master on the same node in a multi node setup this however is not recommended Review any settings you may want to change in accumulo env sh such as the location of the logs For example to make sure Accumulo logs to var log accumulo use the following commands sudo mkdir var log accumulo i l l i S sudo chown accumulo accumulo var log accumulo i sudo In s var log accumulo usr lib accumulo logs l l Open accumulo env sh and edit the value of the ACCUMULO_LOG_DIR variable to be var log accumulo Make sure that this folder is created on every host of this cluster Apache Accumulo Installation Guide Installing Apache Accumulo from the Distribution Tarball 5 On each TabletServer create the write ahead log directory For our example this would be dfs walogs S sudo mkdir p dfs walogs l LS sudo chown accumulo accumulo dfs walogs sudo ln s dfs walogs usr lib accumulo walogs l l 6 Build the native libraries In Accumulo 1 4 3 both 32 bit and 64 bit libraries are built which is why both the i686 and x86_64 versions of the development libraries are required l sudo yum i stall gqec ct Gglibc devel 1686 libstdcott devyel i626 glibc devel x86_64 libst
9. accumulo cdh4_default examples S sudo alternatives install etc accumulo conf accumulo conf X fece accumulo cdh4 default 20 Additional Step For Package RPM DEB based CDH installations gt Sudo sed i s7 opt cloudera parcels CDH usr oq 9 l l l l l l l l l l l l l l l l l l l sudo chown R accumulo accumulo etc accumulo l l l l l l l l l l l l l l l l l et acc m lo conf accumu ulo env sh l l 3 Set your ACCUMULO_CONF_DIR ACCUMULO_HOME and JAVA_HOME variables as well as define the values in var lib accumulo bashrc to make them persistent E sudo su accumulo I export ACCUMULO_CONF_DIR etc accumulo conf i export ACCUMULO_HOME usr lib accumulo export JAVA_HOME usr java jdk1 6 0_31 1S echo export ACCUMULO_CONF_DIR etc accumulo conf gt gt bashre i echo export ACCUMULO_HOME usr lib accumulo gt gt bashre echo export JAVA_HOME usr java jdk1 6 0_31 gt gt bashre exit l l l l 4 Repeat step 3 for any other users who will need to use the Accumulo shell Configuring Accumulo for your Environment After installation follow the steps in this section to configure Accumulo for your environment 1 On every host configure the following properties in etc accumulo conf accumulo site xml with the proper values for your environment Apache Accumulo Installation Guide 9 Installing Apache Accumulo from the Distribution Tarba
10. and Trace Password settings here See the Accumulo user manual for details on creating users and setting permissions with the Accumulo shell 5 Restart the Tracer role after saving the new configuration Apache Accumulo Installation Guide 7 Installing Apache Accumulo from the Distribution Tarball Installing Apache Accumulo from the Distribution Tarball This section describes how to install Accumulo from a tarball instead of using Cloudera Manager Setup and Configuration for Accumulo Creating a Accumulo User Account Before installing Accumulo follow the instructions in this section to create a user accumulo and assign ownership of the new var lib accumulo directory to it To create a Accumulo user account 1 Run the following commands on every host in your Accumulo cluster sudo mkdir var lib accumulo sudo useradd r s bin bash d var lib accumulo accumulo sudo cp etc skel bash accumulo sudo chown R accumulo accumulo var lib accumulo 2 Verify that the accumulo user on the Accumulo Master is configured for passwordless SSH to the accumulo account on itself as well as all other servers running Accumulo processes gt sudo su accumulo B ssh keygen t rsa Generating public private rsa key pair Enter file in which to save the key var lib accumulo ssh id_rsa Created directory var lib accumulo ssh Enter passphrase empty for no passphrase Enter same passphrase again Your identification has
11. asswd Enter current password for root Enter new password for root Please confirm new password for root root accumulo gt root accumulo gt exit S accumulo shell u root grep etc accumulo conf masters No such file or directory Enter current password for root accumulo Shell Apache Accumulo Interactive Shell version 1 4 3 cdh4 3 0 instance name accumulo instance id 9863d1f1 c323 4671 9e1f 69857f0d635f he m m m m m n m wn m mn m m m m w mn m n mn n m m mn n m mn v eee vn mn n eee ee ee es m ld 6 Apache Accumulo Installation Guide Installing Apache Accumulo by using Cloudera Manager type help for a list of available commands root accumulo gt root accumulo gt tables IMETADATA trace root accumulo gt For more information on using the Accumulo shell see the Accumulo user manual Changing the Trace User Settings If you followed the directions in the previous section then you must also update the credentials used by the Tracer 1 Click the Accumulo service 2 Select the Configuration tab and click Service Wide on the left 3 Scroll down to the Trace User and Trace Password settings 4 Ifyou want to keep using the root user for the Tracer then set the Trace Password to the same value you set for the root user s password Alternatively you could add a new user in the Accumulo shell to use for the Tracer and configure the Trace User
12. been saved in var lib accumulo ssh id_rsa Your public key has been saved in var lib accumulo ssh id_rsa pub S cat ssh id_rsa pub gt ssh authorized_keys chmod 600 ssh authorized_keys 3 Onevery host verify that the var lib accumulo ssh authorized_keys file contains the key from var lib accumulo ssh id_rsa pub as well You should then be able to SSH from the Master to other members of the Accumulo cluster without being prompted for a password Installing Accumulo To install Accumulo 1 On every host extract the Accumulo tarball to usr lib accumulo S sudo mkdir usr lib accumulo gt sudo tar ET accumulo 1 4 5 cdh4 3 0 cist tar gz C 8 Apache Accumulo Installation Guide Installing Apache Accumulo from the Distribution Tarball usr lib accumulo strip 1 S sudo chown R accumulo accumulo usr lib accumulo l l l J 2 Move the usr lib accumulo conf directory to etc accumulo cdh4_default and rename the sample environment configuration script based on whether you re running a Cloudera Manager installed cluster accumulo env cdh4 parcels sh ora package installed RPM DEB cluster accumulo env cdh4 packages sh For either CDH installation type S sudo mkdir etc accumulo S sudo mv usr lib accumulo conf etc accumulo cdh4 default S sudo su accumulo S cp etc accumulo cdh4_default examples CDH4_ parcels fece accumulo cdh4 default exit S S sudo chmod R ogtrxX etc
13. dc devel x86_64 S sudo su accumulo 1 S cd usr lib accumulo make C src server src main ctt l l l Apache Accumulo is now installed and configured Continue to the next section to initialize Accumulo and start the Accumulo services Important On a multi host cluster replace localhost with the fully qualified domain name FQDN or IP address of the Accumulo Master in the masters monitor gc and tracers files in SACCUMULO_CONF_DIR and add the FQDN or IP address of the TabletServers one per line to the usr R accumulo cont slaves file Important On a multi host cluster the contents of the SACCUMULO_CONF_DIR directory must always be synchronized across all Accumulo servers within a cluster This may be done using configuration management version control or via a utility such as rsync Servers with out of sync configurations will not be allowed to join the cluster Initializing Accumulo To initialize Accumulo 1 Since the hdfs user is not running Accumulo create the accumulo and user accumulo directories in hafs and change their ownership to the accumulo user 12 Apache Accumulo Installation Guide EL TD EEE LED dfs blocksize root at the request use dfs namenode replication min security ZKAuthenticator INFO Initialized root user with username Installing Apache Accumulo from the Distribution Tarball WARN dfs block size is deprecated Instead use of user SYSTEM gg cae e
14. e eae gm pice emer me ce cemetery ae aaa r eg a ae fe em a 1 l l sudo su hdfs i hadoop fs mkdir accumulo user accumulo l S hadoop fs chown accumulo supergroup accumulo user accumulo hadoop fs chmod 750 accumulo user accumulo ee ee ee eee 2 Onthe Accumulo Master enter the following commands to initialize Accumulo and follow the prompts to name your instance for this example cloudera and set a root password Ee a aa aaa a a aT 1 i l I sudo su accumulo S ed usr lib accumulo i l l to Din accumulo init l Pae TRR ee INFO Hadoop Filesystem is i hdfs localhost localdomain 8020 f util Initialize INFO Accumulo data dir is accumulo i util Initialize INFO Zookeeper server is localhost 2181 util Initialize INFO Checking if Zookeeper is available If this i hangs then you need to make sure zookeeper is running l l i Instance name cloudera l l ce initial Password Lor IOOC Tara Confirm initial Password Tor EEE TETA l l i conf Configuration WARN dfs replication min is deprecated Instead l l l l l l l l l l l l l l l l l l l l l l l l l l 3 Warnings You will be warned here if you didn t change your instance secret in conf accumulo site xml Ifthe Hadoop Filesystem is line contains fs instead of hdfs your HDFS is not properly configured Make sure that users in the accumulo group can access Accumulo utilities suc
15. e eee eee eee 1 PPE Sarrerei atric arc ec o ee Stee eens EE clo ee ci noe eee E E E TE 2 INSTALLING APACHE ACCUMULO BY USING CLOUDERA MANAGER ccecscsscecsccsceccccsccccscscccsscssecsscnsessscnsessees 2 INSTALLING AND CONFIGURING CLOUDERA MANAGER 5 AND CDHALS sss ss sss s sexe eee eee 2 ADDING THE ACCUMULO 1 4 3 PARCEL REPOSITORY TO CLOUDERA MANAGER cscecsseceseccneeceneeceeceecceeceaeeceeeeeneeeaeeceeeeaeeeaags 3 INSTALLING THE ACCUMULO PARCEL c5 icnctaieicanncantepecatassonnicadamedsnetdncaceetomseatabdenncaesieonsneaaasoencaesameansaeneadaesamesnteteanesaebowenotaateun 3 DOWNLOADING AND INSTALLING THE ACCUMULO CLOUDERA SERVICE DESCRIPTOR CSD PLUGIN eee e ee xx e eee eee 4 RODINO THE ACCUMULO SER UG seca retiree ese sc eae eee staccato eels be ceases ce eee ne eee 5 TE ANG TE PCC UO SM EA semaines eee nee se esa oe ent wees E ee 6 CHANGING THE TRACE USER SETTINGS sacnssscaisedeuntastancsate od sncutaclamacatsnetinupliselaancitncdtinnntaslehadadeie dined aunene dined teoetacabanadseaseaxtavebecediaases 7 INSTALLING APACHE ACCUMULO FROM THE DISTRIBUTION TARBALL cecsccsceccccsccccscscecsscssecsscssessscssessees 8 SETUP AND CONFIGURATION FOR ACCUMULO scsczcannsasocaseitewetaceetee inn aiematanteneceseutaadtaaneh ea a a O A R n RERS 8 creating a Accumulo User ACCOUN sctiesanctzcaxcatonssaseeencousastosadedessnnabaainceabeusenstbaaveiesctetnceensteonecexieessesaiesehoeasedeceasbeunes 8 TANAN E e a E E E E E AE E 8 CONFIGURIN
16. h as the shell while leaving access to Accumulo internals restricted by altering the permissions on the Accumulo section of HDFS P m e e m m m m m m m m m m m m m m m m m m m a m m a m m m m m m m a a m m m m m a m a m m m S hadoop fs chmod S sudo su accumulo 75L accumulo Apache Accumulo Installation Guide 13 Installing Apache Accumulo from the Distribution Tarbal S hadoop fs chmod 750 accumulo S hadoop fs chmod 755 accumulo instance id Pe ee eS vt Starting Accumulo To start Accumulo 1 Run the following commands S sudo su accumulo S cd usr lib acciumiulo S bin start all sh Starting tablet servers and loggers done Starting tablet server on localhost Starting Logger on localhost server Accumulo INFO Attempting to talk to zookeeper server Accumulo INFO Zookeeper connected and initialized attemping to talk to HDFS server Accumulo INFO Connected to HDFS Starting master on localhost Starting garbage collector on localhost Starting monitor on localhost Starting tracer on localhost 2 You should now be able to connect to Accumulo on http localhost 50095 Check the number of processes via the following command i sudo u accumulo jps ml grep org apache accumulo start Main 1 wo 1 I Note If you are attempting to connect to the Accumulo Master from another host make sure your firewall allows inbound access on TCP port 50095 Also i
17. ll lt name gt instance zookeeper host lt name gt lt value gt localhost 2181 lt value gt lt description gt comma separated list of zookeeper servers lt description gt lt property gt lt property gt lt name gt logger dir walog lt name gt lt value gt dfs walogs lt value gt lt description gt The directory used to store write ahead logs on the local filesystem It is possible to specify a comma separated list of directories lt description gt lt property gt lt property gt lt name gt instance secret lt name gt lt value gt DEFAULT lt value gt lt description gt A secret unique to a given instance that all servers must know in order to communicate with one another Change it before initialization To change it later use bin accumulo org apache accumulo server util ChangeSecret oldpasswd newpasswd and then update this file lt j CSeScription gt lt property gt lt name gt tserver memory maps max lt name gt lt value gt 256M lt value gt lt property gt PEOperty lt name gt tserver cache data size lt name gt lt value gt 15M lt value gt lt property gt lt property gt lt name gt tserver cache index size lt name gt lt value gt 40M lt value gt lt property gt 9 l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l
18. lt property gt l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l l lt property gt lt name gt trace password lt name gt l T change this to the root user s password and or change the user below l es l lt value gt secret lt value gt l lt property gt J 10 Apache Accumulo Installation Guide 2 3 Installing Apache Accumulo from the Distribution Tarball lt property gt lt name gt trace user lt name gt lt value gt root lt value gt lt property gt Review the configured values For example verify that you changed the value for instance secret and make sure that the Logger dir walog value points to where you will want your Accumulo write ahead logs saved on your TabletServers Important If running a multi host cluster managed by Cloudera Manager you will need to add the following lines to accumulo site xmL OIC OOS IO Wy gt nane tsere port liene mame lt value gt 10011 lt value gt P This is to avoid a port conflict with the Cloudera Manager Service Monitor which also uses port 9997 In addition be sure to open up TCP port 10011 in the firewall on all hosts running Table Servers Similarly if you are running Hue which is included but not started by default on Cloudera s QuickStart VM on the same server or virtual machine as Accumulo you will need to add the following property to accumulo site xml GO OO
19. n a multi node cluster make sure every Accumulo node can access the following TCP ports on every other Accumulo node 4560 11224 12234 50091 and 50095 Stopping Accumulo If you need to stop your Accumulo cluster run the following commands on the Accumulo Master 14 Apache Accumulo Installation Guide Troubleshooting S sudo su accumulo Scd jusr lib accumulo S pin stop all sh Accumulo shut down cleanly Utilities and unresponsive servers will be shut down in 5 seconds stopping go on localhost stopping monitor on localhost stopping tracer on localhost stopping gc on localhost stopping monitor on localhost stopping tracer on localhost stopping unresponsive tablet servers if any stopping logger on localhost stopping unresponsive tablet servers hard if any Cleaning tablet server and logger entries from zookeeper Cleaning all server entries in zookeeper Note If the bin stop all sh command is unresponsive you may need to send it an interrupt via CTRL C one or more times This will cause it to forcibly stop unresponsive services Troubleshooting Reviewing Accumulo Logs When troubleshooting Accumulo first review the logs located at var log accumulo There are separate logs for each server process within Accumulo For example on our single node configuration there are four log file extensions types log out stdout err stderr and debug for each of the Accumulo roles Logger logger
20. ormed by Cloudera Manager There is a known issue with the current release of the Accumulo service descriptor where the permissions for the accumulo directory are not set correctly To fix this execute the following from a cluster node Sudo su hdres S hadoop fs chmod 751 accumulo gt hadoop fs chmod 750 faccumula S hadoop fs chmod 755 accumulo instance id Apache Accumulo Installation Guide 5 Installing Apache Accumulo by using Cloudera Manager Testing the Accumulo Shell You should now be able to run the Accumulo shell on any of the hosts that are assigned the Gateway role within your cluster By default the user root is created and given the password secret It is strongly recommended that you change this password 1 Launch the Accumulo shell for the default root user S accumulo shell u root grep etc accumulo conf masters No such file or directory Enter current password for root accumulo Shell Apache Accumulo Interactive Shell instance name accumulo l U l U l U l l U I l version 1 4 3 cdh4 3 0 l instance id 9863d1f1 c323 4671 9e1f 69857f0d635f l L m m m m m m a m aa a m m m m a a m a m a oa a a m oa aa a m m m m a m a m m m m m aa m a m m m oaa a aa aaa m aa oaa aa m m a m m m m a m m a a m aa a m oa a m m m a aa m a oa m m a m m eee es aa root accumulo gt p
21. ra Manager with the location of the Accumulo Parcel Repository 1 From the Administration tab select Settings rts Administration Settings L lmer Select Parcels on the left 3 Under Remote Parcel Repository URLs click the and add the Accumulo parcel URL http archive cloudera com accumulo parcels 1 4 3 Installing the Accumulo Parcel 1 From the Hosts tab select Parcels Hosts Diagnostic 25 95 Parcels 2 Under the ACCUMULO 1 4 3 cdh4 3 0 parcel click Download ACCUMULO 1 4 3 cdh4 3 0 Available Remotely Download Download this 3 Under the ACCUMULO 1 4 3 cdh4 3 0 parcel click Distribute Under the ACCUMULO 1 4 3 cdh4 3 0 parcel click Activate 5 You will be prompted to restart the cluster Since the Accumulo parcel was not previously in use you can safely skip this step and click Close Apache Accumulo Installation Guide 3 Installing Apache Accumulo by using Cloudera Manager Downloading and Installing the Accumulo Cloudera Service Descriptor CSD Plugin Cloudera Manager 5 added a Cloudera Service Descriptor CSD API to extend Cloudera Manager to manage third party services Cloudera Manager s Accumulo support is implemented through this API so you need to install the Accumulo CSD plugin before you can add the service 1 Create a directory named opt cloudera csd on the host running the Cloudera Manager Server 2 Download the CSD jar file copy it into the

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