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** [tickets:#2667] imm: improve cascade delete**
**Status:** accepted
**Milestone:** 5.18.01
**Created:** Wed Nov 01, 2017 01:43 PM UTC by Zoran Milinkovic
**Last Updated:** Wed Nov 01, 2017 01:43 PM UTC
**Owner:** Zoran Milinkovic
When an object is deleted, and the object has children, the delete meesage is
sent for each deleted object to PBE.
Since there are a lot of messages in the cascade delete from IMMND to PBE at
once, there is a limitation that the cascade delete should not be done on
object that contains more than 10000 object.
More than 10000 object may cause buffer overload (e.g. TIPC_ERR_OVERLOAD), and
messages might be lost.
The improvement should send only one message to PBE which will contain only the
root object. The rest of cascade delete will be on PBE side.
The limitation of 10000 objects in the cascade delete will still apply if IMM
has to send more than 10000 notification messages. This could be avoid with
removing the notify flag from classes before the huge cascade delete.
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