Release Notes 2.0.1
===================

NetSpyGlass v2.0.1

.. important:
    Beginning with v1.6.3, NetSpyGlass requires Java 8


Improvements and New Features
-----------------------------

 - now we host NetSpyGlass documentation on a separate website with url http://docs.netspyglass.com/.
   Link in the UI has been changed to point there.
 - fix rpm spec file to accommodate git branch names that include "-"
 - multiple updates in the documentation
 - fix path to NetSpyGlass logo in the default report template
 - UI layout update: move main navigation to the vertical bar on the left
 - Upgraded Jython to 2.1.7b3
 - Added self-monitoring variable `tsDbTimeSinceLastSave`. This variable measures
   time that passed since last successful TSDB save operation (in seconds).
 - Made tsdb connectors for Graphite and Influxdb report errors in the system events
   panel in the UI
 - Support for InfluxDb 8 has been deprecated and removed
 - Made connector for InfluxDb try to reconnect on every polling cycle (before,
   it tried to connect once at the server start-up and if this attempt failed,
   it gave up and never tried again)
 - UI controls for system events and link to the documentation now "float" and remain
   visible when user reduces browser window width
 - We have reduced minimal window width in the UI to 1280 pixels to improve usability on laptops
 - errors and exceptions that happen during building views are added to the system events and also
   open UI popup notifications
 - the server writes log related to the network discovery process to the log file "discovery.log"
 - to speed up network discovery for the installations with lots of APC PDU devices, the server
   is not going to try to walk `ifXTable` MIB table on these devices
 - self-monitoring alerts for variables `tsdbErrorsRate` and `GCTimeRate` that caused UI popup
   notification have been removed
 - instead of variable `tsdbErrorsRate`, variable `tsdbErrors` now appears in the Graphing Workbench
   (this variable tracks the count of tsdb errors during latest polling cycle).
 - Added Python function :func:`dbscan()` that uses DBSCAN algorithm to find outliers in
   the time series data. See :func:`nw2functions.dbscan()` and  https://en.wikipedia.org/wiki/DBSCAN
 - NSGDB-94: Using SNMP OID "ENTITY-SENSOR-MIB:entPhySensorOperStatus" to monitor operational status
   of PSU and fans on devices running Cumulus Linux
 - NSGDB-102 turn on auto scaling and automatic prefix for variables *DropsRateQueue*

Bug fixes
---------