syncany-team team mailing list archive

["Philipp C. Heckel" <805210@xxxxxxxxxxxxxxxxxx>]

I fixed it in my newsync branch; It now removes all outdated MODIFY
events for the same file. Check it out here:
http://bazaar.launchpad.net/~binwiederhier/syncany/newsync/revision/67#syncany/syncany-core/src/main/java/name/pachler/nio/file/contrib/BufferedWatcher.java

What do you think? It's probably not perfect since the event queue is
(once again) walked through, but it's better than passing every single
event to the indexer.

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https://bugs.launchpad.net/bugs/805210

Title:
  putting a larger file in synced folder generates large amount of
  Watcher events

Status in Syncany:
  Confirmed

Bug description:
  When I copy a somewhat larger file (e.g. a couple of megabytes) into
  the synchronized folder then this generates a very large amount of
  file watcher events and corresponding indexer updates.

  11-07-03 20:39:24 | vulcan     | BufferedWatcher      | BufWatchTimer      | INFO     : ENTRY_CREATE /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | Indexer              | Indexer            | INFO     : Processing request org.syncany.index.requests.CheckIndexRequest@746ac18c
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : Indexer: Checking file /home/bjd/Public/CIMG2015.JPG ... 
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:24 | vulcan     | LocalWatcher         | BufWatchTimer      | INFO     : Watcher: Checking new/modified file /home/bjd/Public/CIMG2015.JPG
  ... <repeated lots of times> ...

  11-07-03 20:39:25 | vulcan     | Indexer              | Indexer            | INFO     : Processing request org.syncany.index.requests.CheckIndexRequest@51d7aa64
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : Indexer: Checking file /home/bjd/Public/CIMG2015.JPG ... 
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : File found in DB. Same modified date, same size. Nothing to do!
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : Checking file DONE: /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:25 | vulcan     | Indexer              | Indexer            | INFO     : Processing request org.syncany.index.requests.CheckIndexRequest@6d172f8f
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : Indexer: Checking file /home/bjd/Public/CIMG2015.JPG ... 
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : File found in DB. Same modified date, same size. Nothing to do!
  11-07-03 20:39:25 | vulcan     | CheckIndexRequest    | Indexer            | INFO     : Checking file DONE: /home/bjd/Public/CIMG2015.JPG
  11-07-03 20:39:25 | vulcan     | Indexer              | Indexer            | INFO     : Processing request org.syncany.index.requests.CheckIndexRequest@34ae19a
  ... <repeated lots of times> ...

  Moving parentKey.reset() from the BufferedWatcher worker thread to the
  end of processEvent() to hold of any new events until after processing
  seems to solve this (see attached patch).

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