Hi,
I'm looking for the most effective way to update 50000 entities + one
of the child entities each.
Right now I'm using a task per transaction to be able to modify the
entity and the child entities inside a transaction to make the task
idempotent.
I'm using sharded counters to check when the operation is done.
Everything works fine, but it takes very long (=minutes to hours) to
perform the modifications.
I'm getting no concurrent modification exceptions etc. at all, but
tasks get rescheduled for some reason and wait for a long time before
getting executed depending on the number of retries.

Is there a way to speed things up?
I'm looking for a solution that will execute the update almost
immediately :-)
My tasks take less than 1000ms each and I can see ~30 instances in the
dashboard.

Thanks for any ideas,

Daniel

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