Semi-dual use of dynamic and static jemalloc

[Roel Van de Paar]

Hi

I have a question in regards semi-dual use of dynamic and static jemalloc.

What happens if jemalloc is LD_PRELOAD'ed for an executable where such
executable uses a .so library, which in turn is statically linked with
jemalloc?

Does this result in two jemalloc instances running, each managing part of
heap, neither having a complete view of the system etc.?

Use case example;
LD_PRELOAD....jemalloc... mysqld       # where msyqld uses TokuDB .so lib
and this lib has jemalloc statically linked.

Thanks

-- 

Kind Regards,
God Bless,
-- 
Roel Van de Paar, CMDBA/CMDEV Senior QA Lead, Percona
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