Just to add: In case all the services are being installed together, in that case yes RCO will help.
Thanks, Bhuvnesh Chaudhary Email: bchau <[email protected]>[email protected] Desk: +1-650-846-1696 | Mobile: +1-973-906-6976 On Thu, Feb 11, 2016 at 1:36 PM, Bhuvnesh Chaudhary <[email protected]> wrote: > @Amanda, > I believe currently, there is no such flag which you could set which > allows to restart already installed services during install of service x. > Technically, you can run APIs to stop and start other services from > backend during install of service x but that might not be a good idea. > It might be a good feature to include such dependencies and make it > pluggable. > Just curious: What changes after the restart of hbase and zookeeper which > lets your service run ? > > But yes, let's hear from other folks as well if there is any such feature, > i might not be aware. > > @Alejandro - Will RCO work if you are adding service X which depends on > restart of already installed service say Y. If X service is being added, > Ambari will schedule Install -> Start -> Service check only for Service X ? > Correct me if wrong. > > > > > Thanks, > Bhuvnesh Chaudhary > Email: bchau <[email protected]>[email protected] > Desk: +1-650-846-1696 | Mobile: +1-973-906-6976 > > On Thu, Feb 11, 2016 at 1:25 PM, Alejandro Fernandez < > [email protected]> wrote: > >> Take a look at role_command_order.json >> >> It is specific to the stack, and it inherits from earlier stacks. E.g., >> ambari-server/src/main/resources/stacks/HDP/2.0.6/role_command_order.json >> ambari-server/src/main/resources/stacks/HDP/2.1/role_command_order.json >> ambari-server/src/main/resources/stacks/HDP/2.2/role_command_order.json >> ambari-server/src/main/resources/stacks/HDP/2.3/role_command_order.json >> >> Thanks, >> Alejandro >> >> From: Amanda Moran <[email protected]> >> Reply-To: "[email protected]" <[email protected]> >> Date: Thursday, February 11, 2016 at 1:19 PM >> To: "[email protected]" <[email protected]> >> Subject: Ambari Stacks: Start of service requires another service restart >> >> Hi there All- >> >> I am currently working on adding a service via ambari stacks. >> >> My service requires another service (hbase and zookeeper) to be restarted >> before my service will start. >> >> How can I do this? >> >> Note: Right now, my service installs fine but then fails the automatic >> start since HBase has not been restarted. I then restart HBase and I am >> able to start my service... I would like it so that my service doesn't >> "fail" the first time :) >> >> Thanks a bunch! I looked all over for this answer.. and couldn't seem to >> find. >> -- >> Thanks, >> >> Amanda Moran >> > >
