nwangtw commented on issue #3554:
URL: 
https://github.com/apache/incubator-heron/issues/3554#issuecomment-653135194


   Hmm. This is strange. It looks like a Json issue with 20 and a calculation
   issue with 5?
   
   On Thu, Jul 2, 2020 at 10:03 AM Nicholas Nezis <notificati...@github.com>
   wrote:
   
   > *Describe the bug*
   > On the Heron 20 cluster, I'm unable to use the update command to increase
   > the parallelism of the FilterBolt
   >
   > heron update heron analytic-name --service-url XXXX 
--component-parallelism FilterBolt:20
   >
   > Error message is "json: cannot unmarshal object into Go value of type
   > jsonpatchPatch (edited)
   >
   > The command works fine with heron 17
   >
   > Interestingly if I submit the command with parallelism of 5, it tells me
   > that is the current parallelism. Its not, the gui reports a parallelism of
   > 10.
   >
   > *Expected behavior*
   > Heron UI should show proper parallelism value. Heron Kubernetes scheduler
   > should allow ability to scale components up/down.
   >
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