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Parallel version of Snapshot in TDataFrame using TBufferMerger #562

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Merged
dpiparo merged 3 commits into from
May 10, 2017
Merged

Parallel version of Snapshot in TDataFrame using TBufferMerger #562

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0b0048d
Close merged file upon destruction of TBufferMerger
amadio May 10, 2017
49f8aa6
Update TDataFrame::Snapshot() to work in parallel using TBufferMerger
amadio May 10, 2017
77ff196
Fix documentation of TBufferMerger member variable
amadio May 10, 2017
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Fix documentation of TBufferMerger member variable
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@amadio
amadio committed May 10, 2017
commit 77ff196afddf63f1ca59d7491f742f3eb24652c8
2 changes: 1 addition & 1 deletion io/io/inc/ROOT/TBufferMerger.hxx
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Expand Up @@ -79,7 +79,7 @@ private:
std::mutex fWriteMutex; //< Mutex used for the condition variable
std::condition_variable fCV; //< Condition variable used to wait for data
std::queue<TBufferFile *> fQueue; //< Queue to which data is pushed and merged
std::unique_ptr<TFile> fFile; //< Output file, owned by the user
std::unique_ptr<TFile> fFile; //< Output file, owned by this class
std::unique_ptr<std::thread> fMergingThread; //< Worker thread that writes to disk
std::vector<std::weak_ptr<TBufferMergerFile>> fAttachedFiles; //< Attached files

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