Important Maprcli Commands

                               Important Maprcli Commands

Turn on Debug for maprcli command

maprcli service list -node `hostname` -cli.loglevel DEBUG

List all Alarms

/opt/mapr/bin/maprcli alarm list 

List all cldb's

/opt/mapr/bin/maprcli node listcldbs

List all Zk's

/opt/mapr/bin/maprcli node listzookeepers

Info for  certain details of the cluster nodes in column

/opt/mapr/bin/maprcli node list -columns  service,ip,disks,health,faileddisks,mtotal,cpus  

Total node info in cluster

/opt/mapr/bin/maprcli node list -json      

Find topology from command line 

/opt/mapr/bin/maprcli node topo -json

List's volume with detail's  

/opt/mapr/bin/maprcli volume list -json         

Lists all disk's from local node 

/opt/mapr/bin/maprcli disk list -host 127.0.0.1        

Displays all configuration cluster wide 

/opt/mapr/bin/maprcli config load -json             

Dumps SP’s usage and shows active container moves

/opt/mapr/bin/maprcli dump balancerinfo -json     

Dumps active Master balancing across the nodes

/opt/mapr/bin/maprcli dump rolebalancerinfo –json

Dumps Info about replication

/opt/mapr/bin/maprcli dump rereplicationinfo –json

Lists CLDB master

/opt/mapr/bin/maprcli node cldbmaster

Dump info stored in zookeeper

/opt/mapr/bin/maprcli dump zkinfo -zkconnect pt-mapr-001.shortcovers.local:5181,pt-mapr-002.shortcovers.local:5181,pt-mapr-003.shortcovers.local:5181 –json

Dump volume info with details for containers

/opt/mapr/bin/maprcli dump volumeinfo -volumename <VolumeName> –json

List's Virtual IP's

/usr/bin/maprcli virtualip list

Container Replication info

maprcli dump replicationmanagerinfo/rereplicationinfo/

replicationmanagerqueueinfo  -volumename  <volumename>

Switch Container Master from current master node

maprcli debugdb switchMaster -cid <CID> (except for CID 1)

Trace level information 

maprcli trace info

Container INFO

maprcli dump containerinfo -ids 2049

Allow node in cluster

maprcli node allow-into-cluster  -hostids hostids

Stop/Start/Restart Services

maprcli node services -tasktracker restart -nodes <node 1>

Removing Volume

maprcli volume remove -name  volumeName

Removing Volume link 

maprcli volume link  remove –path  <actual-path>

The Volume topology for given volume

maprcli volume list -columns mountdir,rackpath | grep <VolumeName>

URL for service

maprcli urls –name <jobtracker>

The node topology of all the nodes in the cluster

maprcli node list -columns hostname,id,racktopo

Setup ALARM 

maprcli alarm config save -values "<alarm name>,1,<email address>"

TT Map and Reduce Slots 

maprcli node list -columns h,ttmapSlots,ttReduceSlots

Max number of containers threshold set 

maprcli node list -columns mct,nmc

List offline containers

maprcli dump containers -type offline -json               

Change limit for container threshold

maprcli node modify -nodes <hostname> -maxContainers 60000  (Setting the maxContainers to 0 will not raise the alarm)

VIP Assignment

1. Move a VIP to another NIC.

   maprcli virtualip move -virtualip <vip> -tomac <mac-address>

2. At the time of adding the vips set the preferred macs for them.

   maprcli virtualip add -virtualip <vip> [-virtualipend <vip>]

      [-preferredmac <mapc-address]

3. Update the preferred macs for set of vips.

   maprcli virtualip edit -virtualip <vip> [-virtualipend <vip>]

      [-preferredmac <mapc-address]

4. List the vips with preferred mac setting (if any).

   maprcli virtualip list

  

Modify replication factor for volume

maprcli volume modify -name mapr.cldb.internal -minreplication 1