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Posted to dev@kylin.apache.org by "yoonsung.lee (Jira)" <ji...@apache.org> on 2021/01/04 04:31:00 UTC

[jira] [Created] (KYLIN-4856) Website guide is not matched with ciwki about Job Scheduler

yoonsung.lee created KYLIN-4856:
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             Summary: Website guide is not matched with ciwki about Job Scheduler
                 Key: KYLIN-4856
                 URL: https://issues.apache.org/jira/browse/KYLIN-4856
             Project: Kylin
          Issue Type: Task
          Components: Website
    Affects Versions: v3.1.1
            Reporter: yoonsung.lee


Hi. I'm yoonsung.lee

I'm trying to apply distributed multiple job schedulers to my cluster.
But the explanations of distributed multiple job schedulers are different between the website and cwiki.

h3. Website
The website ({color:red}Enable multiple job engines (HA){color} section in {color:#0747A6}http://kylin.apache.org/docs/install/advance_settings.html{color}) guide to configure 
{code}
kylin.job.scheduler.default=2
kylin.job.lock=org.apache.kylin.storage.hbase.util.ZookeeperJobLock
{code}
for multiple job engines.

h3. Cwiki
The cwiki ({color:#0747A6}https://cwiki.apache.org/confluence/display/KYLIN/Comparison+of+Kylin+Job+scheduler{color}) says the *DistributedScheduler* (which is set as *kylin.job.scheduler.default=2*) uses  ZookeeperDistributedLock  as implementation class.
But the website guides to set *kylin.job.lock=org.apache.kylin.storage.hbase.util.ZookeeperJobLock* which is described as DefaultScheduler in cwiki.

h1. Solution
If the cwiki is right, the description on the website should be changed.
If the website is right, the description on the cwiki should be changed.

Please let me know if I misunderstand for setting distributed multiple job schedulers.




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