For example, I'd like to get some clarification on the scope of the context object:
@Will, will the solution you provided in [2] deal with multiple JGroups marshalling
request callbacks? Or is it only designed for a single marshalling request callback coming
from JGroups tgat contains a CacheStatusResponse map? Since it's a thread local is not
easy to see what's the lifespan of these instances stored in the thread local...
The simplest thing would be to have a new context created for each JGroups marshalling
request.
However, more optimizations could be achieved from:
1. For non-transaction operations, a context per operation. So if a cache.put() results in
two operations being serialized (get to return previous value, and put itself), then the
context could expand those two serializations.
2. For transaction operations, a context per transaction.
@Sanne, would this be enough for you? In your [4] dev post you seem to want to go beyond
marshalling into how we'd keep references of objects in memory, e.g. if a String is
repeated in many places, have a way to centralise that storage in memory itself.
Cheers,
[4]
http://lists.jboss.org/pipermail/infinispan-dev/2012-June/010925.html
--
Galder Zamarreño
Infinispan, Red Hat
On 21 Apr 2016, at 10:07, Galder Zamarreño <galder(a)redhat.com>
wrote:
Hey guys,
Just a quick heads up about [1].
As I was looking at the marshalling code in core, I spotted the work done for [2] and by
extension [3].
I can certainly see the practicality of Will's solution in [2] which fitted quite
well with the current marshalling architecture, but as we rethink the entire marshalling
layer in [1], I'm wondering if a context-object where we can track repeated fields
like Strings, Addresses... would be more suitable. For starters, we'd get rid of
thread locals and could be more easily exposed in other places.
Any ideas or updates you have on the topic please let me know.
Cheers,
[1]
https://issues.jboss.org/browse/ISPN-6498
[2]
https://issues.jboss.org/browse/ISPN-4979
[3]
https://issues.jboss.org/browse/ISPN-2133
--
Galder Zamarreño
Infinispan, Red Hat
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