Grant Murphy has posted comments on this change.
Change subject: core: Add BLOB servlet
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Patch Set 3: (2 inline comments)
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File
backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/blob/BlobRegistry.java
Line 52: BlobServer server = serverReference.get();
So the way in which you have used it is intended to force every thread to read
the value from memory rather than a cached value? I guess that makes sense I
was just concerned that you were trying to update an atomic value by calling
get(), and mutating the objects state and expecting all concurrent threads to
see that change. i.e.. You aren't performing a getAndSet update on the
underlying value so another thread calling serverInstance.get() might receive
the unchanged object reference without seeing the other threads update to the
registry. However I might need to read up on Java's concurrency / memory model
as I could be misunderstanding the way in which AtomicReferences work in Java.
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File
backend/manager/modules/utils/src/main/java/org/ovirt/engine/core/utils/blob/BlobServlet.java
Line 102: public URL registerBlob (File blob) {
Yep. Something along those lines sounds good.
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Gerrit-MessageType: comment
Gerrit-Change-Id: I4726aa4084ebb8f93caf0616aceab10957c16b90
Gerrit-PatchSet: 3
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Juan Hernandez <[email protected]>
Gerrit-Reviewer: Doron Fediuck <[email protected]>
Gerrit-Reviewer: Grant Murphy <[email protected]>
Gerrit-Reviewer: Juan Hernandez <[email protected]>
Gerrit-Reviewer: Yair Zaslavsky <[email protected]>
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