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I recently experienced a issue with the ShardMapManager that may or may not be related to how I used it. I built a Interface to allow me to resolve my EF Context and inside the context I init a ShardMapManager to find the shard it is to use. This was working fine up until my Multitenant Application reached ~160 databases. When I hit that point, my Webjob responsible for doing scheduled tasks against each shard was unexpectedly failing. To troubleshoot the issue I needed to remote debug into my Webjob. All I got was the following: Exception of type 'System.ExecutionEngineException' was thrown.
After reading up on this exception, it seems to be related to some unmanaged code messing up the state of the application. On a hunch I pulled out the ShardMapManager and only init once and give a reference of it to my context. This resolved my issue but I wanted to put it on your radar if anyone else is experiencing this issue.
The text was updated successfully, but these errors were encountered:
Wow, ExecutionEngineException? How bizarre. Thanks for the heads up.
Yes it's best to only create one instance of ShardMapManager since it contains a cache, and it's better to have only one instance of the cache used throughout your application. :)
I may have jumped the gun... moving the ShardMapManager out helped alleviate but not resolve the problem. I will continue working on trying to find the root cause.
I recently experienced a issue with the ShardMapManager that may or may not be related to how I used it. I built a Interface to allow me to resolve my EF Context and inside the context I init a ShardMapManager to find the shard it is to use. This was working fine up until my Multitenant Application reached ~160 databases. When I hit that point, my Webjob responsible for doing scheduled tasks against each shard was unexpectedly failing. To troubleshoot the issue I needed to remote debug into my Webjob. All I got was the following: Exception of type 'System.ExecutionEngineException' was thrown.
After reading up on this exception, it seems to be related to some unmanaged code messing up the state of the application. On a hunch I pulled out the ShardMapManager and only init once and give a reference of it to my context. This resolved my issue but I wanted to put it on your radar if anyone else is experiencing this issue.
The text was updated successfully, but these errors were encountered: