Added TinkerWorkerMemory which will aggregate local to the current thread
before propagated Memory to TinkerMemory. This reduces synchronization issues
due all threads contending to mutate the master memory.
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Added Serializer.cloneObject() which clones via serialization (helper method).
TinkerGraphComputer now how a sound distributed Memory system where each
worker/thread aggregates without concurrency locally and then, at the end of
the iteration, the thread-distributed memories are aggregated into
CHAGELOG updated. Lunch time.
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removed the toy file and updated CHANGELOG.
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Made is so MemoryComputeKey implements Cloneable. This is actually really
important we have NOT been cloning the BiOperators of OrderGlobalStep and
GroupStep. We have just been 'getting lucky' in that Spark and Giraph use
Serialization and thus we get a clone for free. However, for parallelizati
updated CHANGELOG. Going to move on. Need example Gryo dataset from @dkuppitz
to verify performance improvement of DedupGlobalStep on SparkGraphComputer.
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Removed use of deprecated ScriptEngines class. CTR
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realized that DedupGlobalStep was doing a 'double dedup'. the barrier which is
already dedup'd is added to the master traveral's dedup-step and then dedup'd
again. I simple boolean flag added to determine if the master traversal's dedup
is getting data from workers or not and thus, if so, don't
have DedupGlobalStep as optimized as I can get it. I think BloomFilters are the
next thing. Also, detachment factory stuff will help reduce barrier sizes.
Found a bug in SparkInterceptorStrategyTest. Fixed.
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minor nothing.
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Fixed a minor problem in closing a sessioned client that was not initialized CTR
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no more SynchronizedIterator for TinkerGraphComputer. Each worker/thread has
their own Iterator partition. In TinkerPop 3.3.0 (with Partitioner)
this will be replaced (easily).
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discovering various synchronization bottlenecks in TinkerGraphComputer. Also,
realized some dumb things I was doing in TraversalVertexProgram. Its crazy, for
this benchmark that @dkuppitz and i have, if I don't touch vertex.properties
that are compute keys: millisecond return times. If I do, sec
now that MemoryComputeKeys are cloneable, they are cloned accordignly in
TraversalVertexProgram.clone().
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added the concept of a master barrier to DedupGlobalStep to speed up the
addition of worker barriers into the master traversal. A slight performance
increase.
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more minor optimizations to DedupGlobalStep.
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forgot to add TinkerWorkerMemory file.
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refs/heads/TINKERPOP-1585 eb1b16083 -> dc38b4353 (forced update)
Mark one of the Peer Pressure tests as non-deterministic.
This test tends to fail on certain systems like Travis. By marking it as
non-deterministic it will only run when a special system
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tp32
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added Terminal Steps section to the-traversal.asciidoc docs.
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removed the toy file and updated CHANGELOG.
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have DedupGlobalStep as optimized as I can get it. I think BloomFilters are the
next thing. Also, detachment factory stuff will help reduce barrier sizes.
Found a bug in SparkInterceptorStrategyTest. Fixe
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refs/heads/TINKERPOP-1585 f445bcc7f -> cd1d96964
more minor optimizations to DedupGlobalStep.
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added Terminal Steps section to the-traversal.asciidoc docs.
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Merge branch 'tp32'
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Br
Merge branch 'tp32' of https://git-wip-us.apache.org/repos/asf/tinkerpop into
tp32
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Merge branch 'tp32' of https://git-wip-us.apache.org/repos/asf/tinkerpop into
tp32
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added Terminal Steps section to the-traversal.asciidoc docs.
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Removed use of deprecated ScriptEngines class. CTR
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Removed use of deprecated ScriptEngines class. CTR
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Merge branch 'tp32'
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refs/heads/TINKERPOP-1588 [created] 31ec68a09
added Terminal Steps section to the-traversal.asciidoc docs.
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TINKERPOP-1589 Made some adjustments to Traversal.close()
Implemented AutoCloseable on TraversalParent.
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refs/heads/TINKERPOP-1589 [created] 3597dc5f0
TINKERPOP-1589 Re-introduced CloseableIterator
Made it so that the CloseableIterator is closed by GraphStep if it is provided
by the iterator supplier. Furthermore, any steps in a Traversal implement
AutoCl
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