> On 一月 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?
>
> Aravindan Vijayan wrote:
> 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/
>
> yao lei wrote:
> Ok,each response as following :
> 1.{
> "href" : "http://gg5:8080/api/v1/hosts";,
> "items" : [
> {
> "href" : "http://gg5:8080/api/v1/hosts/gg3";,
> "Hosts" : {
> "cluster_name" : "test",
> "host_name" : "gg3"
> }
> },
> {
> "href" : "http://gg5:8080/api/v1/hosts/gg5";,
> "Hosts" : {
> "cluster_name" : "test",
> "host_name" : "gg5"
> }
> }
> ]
> }
> 2.{
> "href" : "http://gg5:8080/api/v1/clusters/test/hosts";,
> "items" : [
> {
> "href" : "http://gg5:8080/api/v1/clusters/test/hosts/gg3";,
> "Hosts" : {
> "cluster_name" : "test",
> "host_name" : "gg3"
> }
> },
> {
> "href" : "http://gg5:8080/api/v1/clusters/test/hosts/gg5";,
> "Hosts" : {
> "cluster_name" : "test",
> "host_name" : "gg5"
> }
> }
> ]
> }
>
> yao lei wrote:
> Used Ambari is 2.4.2
> Actul hostnames configured in OS are GG3 and gg5 which are stored in
> colomun HOSTNAME in table METRIC_RECORD.
Hi Aravindan,
I find in AMBARI-6521 that hostname will be lowercase
Please see
https://issues.apache.org/jira/secure/attachment/12656190/AMBARI-6521.patch
- yao
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/55173/#review160765
-----------------------------------------------------------
On 一月 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 一月 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
>
>
