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  11. 27 Nov, 2016 1 commit
    • Julien Muchembled's avatar
      Fix identification issues, including a race condition causing id conflicts · 9385706f
      Julien Muchembled authored
      The added test describes how the new id timestamps fix the race condition.
      These timestamps could be any unique opaque values, and the protocol is
      extended to exchange them along with node ids.
      
      Internally, nodes also reuse timestamps as a marker to identify the first
      NotifyNodeInformation packets from the master: since this packet is a complete
      list of nodes in the cluster, any other node in the node manager has left the
      cluster definitely and is removed.
      
      The secondary masters didn't receive update about master nodes.
      It's also useless to send them information about non-master nodes.
      9385706f
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  23. 20 Mar, 2012 1 commit
    • Julien Muchembled's avatar
      Review logging to keep all debugging information in RAM and flush only if useful · 1fce5cc4
      Julien Muchembled authored
      The main goal of this patch is to keep all DEBUG logs and packet logger enabled
      without exploding disk usage.
      This is done by keeping the last 16 MB (by default) of debugging information in
      a RAM buffer, and to emit it to an SQLite DB upon RTMIN signal or in case of
      warning and more severe log.
      
      Implementation is also cleaned up for better integration within a framework
      or if run standalone. NEO logger is now a direct child of root handler.
      Only warnings and more severe logs are forwarded to root handler.
      
      A new script 'neolog' is added to pretty-print the contents of the SQLite log.
      
      In unit tests, logging events are not buffered but emitted immediately.
      When a test passes, payloads of all exchanged packets are discarded to reduce
      disk usage on test bots.
      
      This slows down performance tests by about 15 % because even if nothing is
      written to disk, debug and packet log records are now always rendered.
      1fce5cc4