Member since
07-04-2016
63
Posts
141
Kudos Received
10
Solutions
My Accepted Solutions
| Title | Views | Posted |
|---|---|---|
| 1445 | 01-23-2018 11:47 AM | |
| 3527 | 01-02-2018 02:01 PM | |
| 2265 | 01-02-2018 12:23 PM | |
| 1246 | 12-26-2017 05:09 PM | |
| 1037 | 06-23-2017 08:59 AM |
04-20-2020
09:47 AM
hdfs dfs -ls -R <directory> |grep part-r* |awk '{print $8}' |xargs hdfs dfs -cat | wc -l
... View more
01-31-2018
10:10 AM
@ssharma, Thank's for your answer. If i do it, what are the impacts from other HDP services using python6 ? Best Regards Gérald
... View more
12-21-2018
10:07 AM
Thanks for quick reply. I meant to call a script to shutdown the ambari components after the server is issued a shutdown command, but before it actually shutdowns! But I found a solution to the issue anyway - I just needed to add this command "ExecStop=" to the systemd service files and all seems to work fine now. Thanks again for your quick reply..
... View more
01-02-2018
12:23 PM
6 Kudos
@Michael Bronson You can use configs.py to achieve this. Run below command on ambari server host /var/lib/ambari-server/resources/scripts/configs.py --action get --host localhost --port <ambari_server_host> --protocol <ambari_protocol> --cluster <cluster_name> --config-type yarn-site (/var/lib/ambari-server/resources/scripts/configs.py --action get --host localhost --port 8080 --protocol http --cluster cl1 --config-type yarn-site) This will return the results in JSON format which are key value pairs. You can use this result to find the value of yarn.nodemanager.local-dirs and yarn.nodemanager.log-dirs Example : [root@ctr-e136-1513029738776-28711-01-000002 ~]# /var/lib/ambari-server/resources/scripts/configs.py --action get --host localhost --port 8080 --protocol http --cluster cl1 --config-type yarn-site 2018-01-02 12:14:46,879 INFO ### Performing "get" content: 2018-01-02 12:14:46,902 INFO ### on (Site:yarn-site, Tag:82207fb3-2c26-47fb-a092-d0b88e19fa66) { "properties": { "yarn.rm.system-metricspublisher.emit-container-events": "true", "yarn.timeline-service.http-authentication.kerberos.keytab": "/etc/security/keytabs/spnego.service.keytab", "yarn.timeline-service.http-authentication.signer.secret.provider.object": "", "yarn.resourcemanager.hostname": "ctr-e136-1513029738776-28711-01-000004.hwx.site", "yarn.node-labels.enabled": "false", "yarn.resourcemanager.scheduler.monitor.enable": "false", "yarn.nodemanager.aux-services.spark2_shuffle.class": "org.apache.spark.network.yarn.YarnShuffleService", "yarn.timeline-service.http-authentication.signature.secret.file": "", "yarn.timeline-service.bind-host": "0.0.0.0", "hadoop.registry.secure": "true", "yarn.resourcemanager.ha.enabled": "true", "hadoop.registry.dns.bind-port": "5353", "yarn.nodemanager.runtime.linux.docker.privileged-containers.acl": "", "yarn.timeline-service.webapp.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8188", "yarn.nodemanager.principal": "nm/_HOST@EXAMPLE.COM", "yarn.timeline-service.enabled": "false", "yarn.nodemanager.recovery.enabled": "true", "yarn.timeline-service.entity-group-fs-store.group-id-plugin-classpath": "{\"HDP\":\"/usr/hdp\"}/${hdp.version}/spark/hdpLib/*", "yarn.timeline-service.http-authentication.type": "kerberos", "yarn.nodemanager.container-metrics.unregister-delay-ms": "60000", "yarn.nodemanager.keytab": "/etc/security/keytabs/nm.service.keytab", "yarn.timeline-service.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:10200", "yarn.timeline-service.entity-group-fs-store.summary-store": "org.apache.hadoop.yarn.server.timeline.RollingLevelDBTimelineStore", "yarn.timeline-service.entity-group-fs-store.app-cache-size": "10", "yarn.nodemanager.aux-services.spark2_shuffle.classpath": "{{stack_root}}/${hdp.version}/spark2/aux/*", "yarn.resourcemanager.webapp.spnego-principal": "HTTP/_HOST@EXAMPLE.COM", "yarn.resourcemanager.am.max-attempts": "20", "\nyarn.webapp.api-service.enable\n": "true", "yarn.nodemanager.log-aggregation.debug-enabled": "false", "yarn.timeline-service.http-authentication.proxyuser.*.users": "", "yarn.timeline-service.http-authentication.proxyuser.*.hosts": "", "yarn.scheduler.maximum-allocation-vcores": "1", "yarn.resourcemanager.system-metrics-publisher.enabled": "true", "yarn.nodemanager.vmem-pmem-ratio": "2.1", "yarn.resourcemanager.nodes.exclude-path": "/etc/hadoop/conf/yarn.exclude", "yarn.timeline-service.http-authentication.cookie.path": "", "yarn.resourcemanager.system-metrics-publisher.dispatcher.pool-size": "10", "yarn.log.server.url": "http://ctr-e136-1513029738776-28711-01-000004.hwx.site:19888/jobhistory/logs", "yarn.nodemanager.webapp.spnego-principal": "HTTP/_HOST@EXAMPLE.COM", "yarn.timeline-service.keytab": "/etc/security/keytabs/yarn.service.keytab", "\nyarn.nodemanager.runtime.linux.docker.allowed-container-networks\n": "host,none,bridge", "yarn.resourcemanager.webapp.delegation-token-auth-filter.enabled": "false", "hadoop.registry.dns.domain-name": "hwx.site", "yarn.timeline-service.entity-group-fs-store.active-dir": "/ats/active/", "\nyarn.nodemanager.runtime.linux.docker.default-container-network\n": "host", "yarn.resourcemanager.principal": "rm/_HOST@EXAMPLE.COM", "yarn.nodemanager.local-dirs": "/grid/0/hadoop/yarn/local", "yarn.nodemanager.linux-container-executor.cgroups.strict-resource-usage": "false", "yarn.nodemanager.remote-app-log-dir-suffix": "logs", "yarn.log.server.web-service.url": "http://ctr-e136-1513029738776-28711-01-000004.hwx.site:8188/ws/v1/applicationhistory", "\nyarn.nodemanager.linux-container-executor.nonsecure-mode.limit-users\n": "false", "yarn.resourcemanager.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8050", "yarn.resourcemanager.zk-num-retries": "1000", "yarn.timeline-service.http-authentication.token.validity": "", "yarn.resourcemanager.ha.automatic-failover.zk-base-path": "/yarn-leader-election", "yarn.resourcemanager.proxy-user-privileges.enabled": "true", "yarn.application.classpath": "$HADOOP_CONF_DIR,{{hadoop_home}}/*,{{hadoop_home}}/lib/*,{{stack_root}}/current/hadoop-hdfs-client/*,{{stack_root}}/current/hadoop-hdfs-client/lib/*,{{stack_root}}/current/hadoop-yarn-client/*,{{stack_root}}/current/hadoop-yarn-client/lib/*", "yarn.timeline-service.ttl-ms": "2678400000", "yarn.timeline-service.http-authentication.proxyuser.ambari-server.hosts": "ctr-e136-1513029738776-28711-01-000002.hwx.site", "yarn.nodemanager.container-monitor.interval-ms": "3000", "yarn.node-labels.fs-store.retry-policy-spec": "2000, 500", "yarn.resourcemanager.zk-acl": "sasl:rm:rwcda", "yarn.timeline-service.leveldb-state-store.path": "/grid/0/hadoop/yarn/timeline", "hadoop.registry.jaas.context": "Client", "yarn.scheduler.capacity.ordering-policy.priority-utilization.underutilized-preemption.enabled": "false", "yarn.resourcemanager.webapp.https.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8088", "yarn.log-aggregation-enable": "true", "yarn.nodemanager.delete.debug-delay-sec": "3600", "yarn.resourcemanager.bind-host": "0.0.0.0", "yarn.timeline-service.store-class": "org.apache.hadoop.yarn.server.timeline.EntityGroupFSTimelineStore", "yarn.resourcemanager.webapp.spnego-keytab-file": "/etc/security/keytabs/spnego.service.keytab", "yarn.timeline-service.client.retry-interval-ms": "1000", "yarn.system-metricspublisher.enabled": "true", "yarn.timeline-service.entity-group-fs-store.group-id-plugin-classes": "org.apache.tez.dag.history.logging.ats.TimelineCachePluginImpl", "hadoop.registry.zk.quorum": "ctr-e136-1513029738776-28711-01-000007.hwx.site:2181,ctr-e136-1513029738776-28711-01-000003.hwx.site:2181,ctr-e136-1513029738776-28711-01-000006.hwx.site:2181,ctr-e136-1513029738776-28711-01-000005.hwx.site:2181", "yarn.nodemanager.aux-services": "mapreduce_shuffle", "\nyarn.nodemanager.runtime.linux.allowed-runtimes\n": "default,docker", "yarn.timeline-service.http-authentication.proxyuser.ambari-server.groups": "*", "yarn.nodemanager.aux-services.mapreduce_shuffle.class": "org.apache.hadoop.mapred.ShuffleHandler", "hadoop.registry.dns.enabled": "true", "yarn.nodemanager.disk-health-checker.max-disk-utilization-per-disk-percentage": "90", "yarn.resourcemanager.zk-timeout-ms": "10000", "yarn.resourcemanager.fs.state-store.uri": " ", "yarn.nodemanager.linux-container-executor.group": "hadoop", "yarn.nodemanager.remote-app-log-dir": "/app-logs", "yarn.nodemanager.aux-services.spark_shuffle.classpath": "{{stack_root}}/${hdp.version}/spark/aux/*", "yarn.resourcemanager.keytab": "/etc/security/keytabs/rm.service.keytab", "yarn.timeline-service.ttl-enable": "true", "yarn.timeline-service.entity-group-fs-store.cleaner-interval-seconds": "3600", "yarn.resourcemanager.fs.state-store.retry-policy-spec": "2000, 500", "yarn.timeline-service.generic-application-history.store-class": "org.apache.hadoop.yarn.server.applicationhistoryservice.NullApplicationHistoryStore", "yarn.resourcemanager.webapp.address.rm1": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8088", "hadoop.registry.dns.zone-mask": "255.255.255.0", "yarn.nodemanager.disk-health-checker.min-healthy-disks": "0.25", "yarn.resourcemanager.state-store.max-completed-applications": "${yarn.resourcemanager.max-completed-applications}", "yarn.resourcemanager.webapp.address.rm2": "ctr-e136-1513029738776-28711-01-000003.hwx.site:8088", "yarn.resourcemanager.work-preserving-recovery.enabled": "true", "yarn.resourcemanager.resource-tracker.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8025", "yarn.nodemanager.health-checker.script.timeout-ms": "60000", "yarn.resourcemanager.scheduler.class": "org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler", "yarn.nodemanager.resource.memory-mb": "12288", "yarn.timeline-service.http-authentication.kerberos.name.rules": "", "yarn.nodemanager.resource.cpu-vcores": "1", "yarn.timeline-service.http-authentication.signature.secret": "", "yarn.scheduler.maximum-allocation-mb": "12288", "yarn.resourcemanager.monitor.capacity.preemption.total_preemption_per_round": "0.17", "yarn.nodemanager.resource.percentage-physical-cpu-limit": "80", "yarn.nodemanager.disk-health-checker.min-free-space-per-disk-mb": "1000", "yarn.resourcemanager.proxyuser.*.groups": "", "yarn.nodemanager.log-aggregation.roll-monitoring-interval-seconds": "3600", "yarn.timeline-service.principal": "yarn/_HOST@EXAMPLE.COM", "yarn.timeline-service.state-store-class": "org.apache.hadoop.yarn.server.timeline.recovery.LeveldbTimelineStateStore", "yarn.node-labels.fs-store.root-dir": "/system/yarn/node-labels", "yarn.resourcemanager.hostname.rm1": "ctr-e136-1513029738776-28711-01-000004.hwx.site", "yarn.resourcemanager.hostname.rm2": "ctr-e136-1513029738776-28711-01-000003.hwx.site", "yarn.resourcemanager.proxyuser.*.hosts": "", "yarn.resourcemanager.webapp.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8088", "yarn.scheduler.minimum-allocation-vcores": "1", "yarn.nodemanager.health-checker.interval-ms": "135000", "yarn.nodemanager.admin-env": "MALLOC_ARENA_MAX=$MALLOC_ARENA_MAX", "yarn.nodemanager.vmem-check-enabled": "false", "yarn.acl.enable": "true", "yarn.timeline-service.leveldb-timeline-store.read-cache-size": "104857600", "yarn.nodemanager.log.retain-seconds": "604800", "yarn.client.nodemanager-connect.max-wait-ms": "60000", "yarn.timeline-service.http-authentication.simple.anonymous.allowed": "true", "\nyarn.nodemanager.runtime.linux.docker.privileged-containers.allowed\n": "false", "yarn.scheduler.minimum-allocation-mb": "1024", "yarn.timeline-service.leveldb-timeline-store.start-time-read-cache-size": "10000", "yarn.resourcemanager.monitor.capacity.preemption.natural_termination_factor": "1", "yarn.resourcemanager.ha.rm-ids": "rm1,rm2", "yarn.timeline-service.http-authentication.signer.secret.provider": "", "yarn.resourcemanager.connect.max-wait.ms": "900000", "yarn.resourcemanager.proxyuser.*.users": "", "yarn.timeline-service.http-authentication.cookie.domain": "", "yarn.timeline-service.http-authentication.proxyuser.*.groups": "", "yarn.http.policy": "HTTP_ONLY", "yarn.nodemanager.runtime.linux.docker.capabilities": "\nCHOWN,DAC_OVERRIDE,FSETID,FOWNER,MKNOD,NET_RAW,SETGID,SETUID,SETFCAP,\nSETPCAP,NET_BIND_SERVICE,SYS_CHROOT,KILL,AUDIT_WRITE", "yarn.timeline-service.version": "2.0", "yarn.resourcemanager.zk-address": "ctr-e136-1513029738776-28711-01-000007.hwx.site:2181,ctr-e136-1513029738776-28711-01-000006.hwx.site:2181,ctr-e136-1513029738776-28711-01-000005.hwx.site:2181", "yarn.nodemanager.recovery.dir": "{{yarn_log_dir_prefix}}/nodemanager/recovery-state", "yarn.nodemanager.container-executor.class": "org.apache.hadoop.yarn.server.nodemanager.LinuxContainerExecutor", "yarn.resourcemanager.store.class": "org.apache.hadoop.yarn.server.resourcemanager.recovery.ZKRMStateStore", "yarn.timeline-service.entity-group-fs-store.retain-seconds": "604800", "yarn.nodemanager.webapp.spnego-keytab-file": "/etc/security/keytabs/spnego.service.keytab", "yarn.resourcemanager.recovery.enabled": "true", "yarn.timeline-service.leveldb-timeline-store.path": "/grid/0/hadoop/yarn/timeline", "hadoop.registry.system.accounts": "sasl:yarn,sasl:jhs,sasl:hdfs,sasl:rm,sasl:hive", "yarn.timeline-service.client.max-retries": "30", "yarn.resourcemanager.scheduler.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8030", "yarn.log-aggregation.retain-seconds": "2592000", "yarn.nodemanager.address": "0.0.0.0:25454", "hadoop.registry.rm.enabled": "false", "yarn.timeline-service.leveldb-timeline-store.ttl-interval-ms": "300000", "yarn.resourcemanager.work-preserving-recovery.scheduling-wait-ms": "10000", "yarn.resourcemanager.zk-state-store.parent-path": "/rmstore", "yarn.nodemanager.log-aggregation.compression-type": "gz", "yarn.timeline-service.http-authentication.kerberos.principal": "HTTP/_HOST@EXAMPLE.COM", "yarn.nodemanager.log-aggregation.num-log-files-per-app": "30", "hadoop.registry.client.auth": "kerberos", "yarn.timeline-service.recovery.enabled": "true", "yarn.nodemanager.bind-host": "0.0.0.0", "yarn.resourcemanager.zk-retry-interval-ms": "1000", "manage.include.files": "false", "yarn.nodemanager.recovery.supervised": "true", "yarn.admin.acl": "yarn,dr.who", "yarn.resourcemanager.cluster-id": "yarn-cluster", "yarn.nodemanager.log-dirs": "/grid/0/hadoop/yarn/log", "yarn.timeline-service.entity-group-fs-store.scan-interval-seconds": "60", "yarn.timeline-service.leveldb-timeline-store.start-time-write-cache-size": "10000", "yarn.nodemanager.aux-services.spark_shuffle.class": "org.apache.spark.network.yarn.YarnShuffleService", "hadoop.registry.dns.zone-subnet": "172.17.0.0", "yarn.client.nodemanager-connect.retry-interval-ms": "10000", "yarn.resourcemanager.admin.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8141", "yarn.timeline-service.webapp.https.address": "ctr-e136-1513029738776-28711-01-000004.hwx.site:8190", "yarn.resourcemanager.connect.retry-interval.ms": "30000", "yarn.timeline-service.entity-group-fs-store.done-dir": "/ats/done/" } }
... View more
06-23-2017
08:59 AM
2 Kudos
@Pradarttana Panda If you are looking this for your testing purpose and want to ensure that the operation succeeds every time, then you can use the action to refresh the client configs. ie you can perform the 'Refresh Configs' operation on slider or Kerberos components and it will succeed in mejority of the cases.
... View more
05-08-2017
09:06 AM
12 Kudos
In this article I will be explaining about creating oozie custom action node to clone a git repository to a required file path. Git repo location and file path will be taken as input while running the workflow. And we will use ambari's workflow manager view to create a workflow using newly created action node. If you are new to workflow manager, then this would be a good starting point. Details about custom action nodes could be found in oozie docs here. We need to follow some prerequisites before we jump to workflow manager view and start using custom action nodes. Step 1 : Implementing Oozie custom action handler : For this article, I will be creating a custom action which clones a git repository . This implementation extends ActionExecutor class (provided by Oozie) and overrides the required methods. This implementation follows Oozie documentation and implements all required methods. import java.io.File;
import org.apache.oozie.ErrorCode;
import org.apache.oozie.action.ActionExecutor;
import org.apache.oozie.action.ActionExecutorException;
import org.apache.oozie.action.ActionExecutorException.ErrorType;
import org.apache.oozie.client.WorkflowAction;
import org.apache.oozie.util.XmlUtils;
import org.eclipse.jgit.api.Git;
import org.jdom.Element;
import org.jdom.Namespace;
public class GitActionExecutor extends ActionExecutor {
private static final String NODENAME = "git";
private static final String SUCCEEDED = "OK";
private static final String FAILED = "FAIL";
private static final String KILLED = "KILLED";
public GitActionExecutor() {
super(NODENAME);
}
@Override
public void check(Context context, WorkflowAction action)
throws ActionExecutorException {
// Should not be called for synch operation
throw new UnsupportedOperationException();
}
@Override
public void end(Context context, WorkflowAction action)
throws ActionExecutorException {
String externalStatus = action.getExternalStatus();
WorkflowAction.Status status = externalStatus.equals(SUCCEEDED) ? WorkflowAction.Status.OK
: WorkflowAction.Status.ERROR;
context.setEndData(status, getActionSignal(status));
}
@Override
public boolean isCompleted(String arg0) {
return true;
}
@Override
public void kill(Context context, WorkflowAction action)
throws ActionExecutorException {
context.setExternalStatus(KILLED);
context.setExecutionData(KILLED, null);
}
@Override
public void start(Context context, WorkflowAction action)
throws ActionExecutorException {
// Get parameters from Node configuration
try {
Element actionXml = XmlUtils.parseXml(action.getConf());
Namespace ns = Namespace
.getNamespace("uri:custom:git-action:0.1");
String repository = actionXml.getChildTextTrim("repository", ns);
File filePath = new File(actionXml.getChildTextTrim("hdfsPath", ns));
cloneRepo(repository, filePath);
context.setExecutionData(SUCCEEDED, null);
} catch (Exception e) {
context.setExecutionData(FAILED, null);
throw new ActionExecutorException(ErrorType.FAILED,
ErrorCode.E0000.toString(), e.getMessage());
}
}
// Sending an email
public void cloneRepo(String repository, File filePath) throws Exception {
Git.cloneRepository()
.setURI(repository)
.setDirectory(filePath)
.call();
}
}
No arguments constructor is required for any custom actions handler. This constructor registers the action handler name (invoking super with the action name) that will be used inside workflow XML. InitActionType method can be used to register possible exceptions while executing the action, along with their type and error message and do initial initialization for the executor itself. Start method is used to start action execution. Because we have implemented synchronous action the whole action is executed here. This method is invoked by Oozie with two parameters Context and WorkflowAction. Context provides access to Oozie workflow execution context which, among other things contains workflow variables and provides very simple APIs (set, get) for manipulating them. WorkflowAction provides Oozie’ definition of the current action. Check method, which is used by Oozie to check action’s status. Should never be called for synchronous actions. Kill method which is used to kill the running job or action. End method is used for any cleanup or processing which may need to be done after completion of the action. It also has to set the result of the execution. Step2 : Define XML schema for newly created email component : <?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:git="uri:custom:git-action:0.1"
elementFormDefault="qualified"
targetNamespace="uri:custom:git-action:0.1">
<xs:complexType name="GIT">
<xs:sequence>
<xs:element name="repository" type="xs:string" />
<xs:element name="filePath" type="xs:string" />
</xs:sequence>
</xs:complexType>
<xs:element name="git" type="git:GIT"></xs:element>
</xs:schema>
This takes 'repository' and 'filePath' as mandatory input value before running the workflow. Step 3 : Register information about custom executor with Oozie runtime. This is done by extending oozie-site.xml Add oozie.service.ActionService.executor.ext.classes=GitActionExecutor Step 4 : Add XML schema for the new Actions. Add oozie.service.SchemaService.wf.ext.schemas=gitAction.xsd Step 5 : Package action code and XML schema into a single jar file and upload the jar file to location '/usr/hdp/current/oozie-server/libext' and restart oozie server. Step 6 : Now navigate to workflow manager view and open a new workflow window. Step 7 : Select new custom action node from action node list. Step 8 : Define the custom XML with path to git repository and file path where repository should be cloned. <git
xmlns="uri:custom:git-action:0.1">
<repository>https://github.com/cartershanklin/structor.git</repository>
<filePath>/tmp/newDir/</filePath>
</git>
Step 9 : Preview the workflow xml and see that workflow is created with custom action node 'git'. Step 10 : As everything is setup, we can now run this workflow. On successful completion of the workflow run, git repo will be cloned to given input path /tmp/newDir/ This project could be downloaded from https://github.com/ssharma555/oozie-git-clone.git Reference : https://www.infoq.com/articles/ExtendingOozie
... View more
Labels:
04-12-2017
04:40 AM
Generally the update from older version to newer version(HDP 2.6) should do this process. Im not sure of it as i havent tested this scenario. I will update my findings soon. But in the successful upgradation case, this error will be handled.
... View more
03-23-2017
03:00 PM
If want to do one time import,use the following command,It will use hcatalog to create the table and import the data in ORC format sqoop import --connect jdbc:sqlserver://11.11.111.11;databaseName=dswFICO --driver com.microsoft.sqlserver.jdbc.SQLServerDriver --username sqoop --password sqoop --table KNA1 --hcatalog-database default --hcatalog-table KNA1 --create-hcatalog-table --hcatalog-storage-stanza "stored as orcfile"
... View more
03-21-2017
03:13 PM
Amazing answer!
... View more
09-27-2016
05:05 PM
1 Kudo
@ssharma post mentions a similar issue. See if it is related
... View more