we are before ambari & HDP upgrade we want to know before upgrade if all machines in ambari cluster must be updated with the same time? if yes , then we add this check in our scripts ... View more

we perform service check to Ambari Metrics and we get the following errors - "All metrics collectors are unavailable" what we can do regarding that , in order to solve the problem? Traceback (most recent call last): File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/service_check.py", line 207, in <module> AMSServiceCheck().execute() File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 375, in execute method(env) File "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89, in thunk return fn(*args, **kwargs) File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/service_check.py", line 159, in service_check raise Fail("All metrics collectors are unavailable.") resource_management.core.exceptions.Fail: All metrics collectors are unavailable. ... View more

we want to add additional "." in domain name dose domain name as sys200.ve.com is valid for master or workers machines? we installed new ambari cluster with these domains for example: master01.sys200.ve.com the log from ambari-server while the hostname - master02.sys200.ve.com 08 Apr 2018 06:05:00,060 WARN [ambari-client-thread-135] Errors:173 - The following warnings have been detected with resource and/or provider classes: WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.apache.ambari.server.api.services.ConfigurationService.getConfigurations(java.lang.String,javax.ws.rs.core.HttpHeaders,javax.ws.rs.core.UriInfo), should not consume any entity. 08 Apr 2018 06:05:05,770 INFO [ambari-client-thread-137] AmbariManagementControllerImpl:1631 - Received a updateCluster request, clusterId=2, clusterName=HDP, securityType=null, request={ clusterName=HDP, clusterId=2, provisioningState=null, securityType=null, stackVersion=HDP-2.6, desired_scv=null, hosts=[] } 08 Apr 2018 06:05:05,775 INFO [ambari-client-thread-137] AbstractProviderModule:864 - Resetting property provider maps to reflect changes in cluster state 08 Apr 2018 06:05:05,815 INFO [ambari-client-thread-137] MetricsCollectorHAManager:54 - Adding collector host : master02.sys200.ve.com to cluster : HDP 08 Apr 2018 06:05:05,818 INFO [ambari-client-thread-137] MetricsCollectorHAClusterState:84 - Refreshing collector host, current collector host : master02.sys200.ve.com 08 Apr 2018 06:05:05,821 INFO [ambari-client-thread-137] MetricsCollectorHAClusterState:105 - After refresh, new collector host : master02.sys200.ve.com 08 Apr 2018 06:05:05,874 WARN [ambari-client-thread-136] Errors:173 - The following warnings have been detected with resource and/or provider classes: WARNING: A HTTP GET method, public javax.ws.rs.core.Response org.apache.ambari.server.api.services.ComponentService.getComponents(java.lang.String,javax.ws.rs.core.HttpHeaders,javax.ws.rs.core.UriInfo,java.lang.String), should not consume any entity. <br> ... View more

hi all we have ambari cluster with 165 workers machines each worker have 4 disks ( /grid/sda /gird/sdb /grid/sdc /grid/sdd ) on of the workers have only 3 disks insted 4 disks so after blueprint installation , on that worker sdd created under "/" and not under /grid this cause / partition to became nearly 100% so we want to create new disk on this worker as /grid/sdd and copy the content under /sdd to /grid/sdd so the procedure should be like this 1. create new disk - /grid/sdd and update /etc/fstab and mount /grid/sdd 2. stop all workers components 3. cp -rp /sdd/* /grid/sdd 4. start all workers components please advice if all steps 1-4 are the right steps regarding my problem workers components ... View more

what is the API to stop the Metrics Collector ? I ask this API because the API that should to the ambari metrics some times missed to stop the Metrics Collector ... View more