> On Jan. 6, 2017, 9:16 p.m., Aravindan Vijayan wrote: > > The hostname sent to AMS must match the hostname managed in Ambari Server. > > If we make this change in Flume sink, and the hostname is mixed case or > > upper case in Ambari Server, then the metrics not will be displayed. > > > > Did you happen to investigate why Ambari server has lower hostcase name > > while the actual hostname is in mixed/upper case? > > yao lei wrote: > Thanks for your reply. > Firstly,the hostnames of flume metrics sent by flume sink and stored in > ams hbase are actual hostnames,they are in mixed/upper/lower case. > Secondly,hostnames displayed on web client and registered in ambari > database are always lowcase. > when ambari web client want to show flume agent host level metrics ,it > will send a request to ams collector passed by a lowcase hostname by that > collector will query metrics record. > So if hostname in ams hbase is not lowcase,it will not match the passed > lowcase value > > yao lei wrote: > Hi Dmytro. > Could you give me any suggestion when you are available?
Hi Yao, Ideally, hostname case should not be changed in Ambari. Can you attach the response to the following GET calls as JSON files? http://<AMBARI_SERVER_HOST>:8080/api/v1/hosts/ http://<AMBARI_SERVER_HOST>:8080/api/v1/clusters/<CLUSTER_NAME>/hosts/ - Aravindan ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/55173/#review160765 ----------------------------------------------------------- On Jan. 9, 2017, 6:27 a.m., yao lei wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/55173/ > ----------------------------------------------------------- > > (Updated Jan. 9, 2017, 6:27 a.m.) > > > Review request for Ambari, Dmytro Sen, Matt, Myroslav Papirkovskyy, and Sid > Wagle. > > > Bugs: AMBARI-19357 > https://issues.apache.org/jira/browse/AMBARI-19357 > > > Repository: ambari > > > Description > ------- > > If hostname of flume agent is uppercase or mixed-case?web client will not > show flume metrics normally. > This is because we will query metric records by lowercase hostname used in > ambari ,but the hostname in METRIC_RECORD is not lowercase (see attached > picture),so we will not get any records. > This patch amis to convert hostname of metric record of flume to lowercase > before inserting into ams hbase. > > > Diffs > ----- > > > ambari-metrics/ambari-metrics-flume-sink/src/main/java/org/apache/hadoop/metrics2/sink/flume/FlumeTimelineMetricsSink.java > c1b684b > > Diff: https://reviews.apache.org/r/55173/diff/ > > > Testing > ------- > > Manually Tested > > > Thanks, > > yao lei > >
