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20.04.10
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@tuntoja tuntoja released this 25 Nov 16:32
· 130 commits to master since this release
20.04.10
58d2f25
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Learn about vigilant mode.

Bugfixes

Build

Build on CentOS 8 fixed.

Retention files

The splitter class is now thread safe and does not need external locks
anymore. It is also far less strict and allows some reading and some
writing at the same time.

TCP

Writing on a tcp stream could slow down in case of many retention files. The
issue was essentially in the flush internal function.

Enhancements

TCP connections

TCP streams are really faster, especially when Broker has retention
files and there are a lot of traffic.

SQL and storage streams

Those streams have several improvements:

  • Events exchanges are much faster, especially when Broker has
    retention files.
  • Several queries have been changed to insert data in bulk, it is
    the case for custom variables and metrics.
  • There are cases where those streams could crash that have been
    also fixed.

Statistics

The thread pool has now its own statistics. For now, we have two
informations that are the number of threads it contains and its latency
in milliseconds that is the duration we have to wait to see a task
executed. We post a task to the thread pool at time T1, it is executed
by the thread pool at time T2, the latency is T2 - T1.

Command line argument

It is now possible to set the cbd pool size directly on the command line
with the –pool_size X argument or -s X.

For more information, report to the official documentation release notes.

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