How to resolve deadlock in ssrs subscriptions

Hi ,
i have a subscription which is sending emails to my multiple clients ..
subscription runs fine when there are only two recepients and gets errored as i list 3rd recepient in
To field.
i found that
, it is deadlock issue
and when i create trace in SQL profiler on my server database and select deadlock graph event
and it is caught ..
have a look on image ..
but i dont understand how to resolves issue using this ...
can anyone narrate this graph to identifiy ..
Dilip Patil..

Hi Dilip Patil,
According to your description, you configured subscription to send emails to multiple users, it works fine when there are only recipients, if there are three recipients, you will get deadlock error.
A deadlock occurs when two system server process IDs (SPIDs) are waiting for a resource and neither process can advance because the other process is preventing it from getting the resource.
For Node 1, an exclusive (X) lock is being held by SPID 66 on an index KEY on the object. Node 2 shows that an exclusive (X) lock is being held by SPID 65 on an index key on the same object. For each node, is the Requested By section, which details any resource
requests that cannot be granted, due to blocking. For Node 1, we can see that that SPID 66 is waiting for a shared read lock on the index key (it is blocked by the X lock held by SPID 65). For Node 2, we can see that SPID 65 is waiting to acquire a shared
read on the index key (it is blocked by the X lock held by SPID 66).
In this case, we need to kill one of the SPID to free the resources and allow the other SPID to continue.
For detail information about Handling Deadlocks and Minimizing Deadlocks in SQL Server, please refer to the following document:
https://www.simple-talk.com/sql/database-administration/handling-deadlocks-in-sql-server/
https://technet.microsoft.com/en-us/library/ms191242(v=sql.105).aspx
If you have any more questions, please feel free to ask.
Thanks,
Wendy Fu
Wendy Fu
TechNet Community Support

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