===== Version Information =====
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=== Version v.1.25.12 (04/03/2024) ===

  * Memory consumption is significantly reduced due to the lazy loading mechanism. This is especially true for those who store data for a long time.

=== Version v.1.24.7 (02/12/2024) ===

  * Receiving and storing DNS logs: raw and aggregated
  * Receiving and storing MPLS tags in a raw log. Statistics are aggregated
  * The ability to receive and store all DSCP values (0-64)
  * Optimization and acceleration of reports when working in a cluster


=== Version v.1.19.1 (08/08/2023) ===

  * New feature: Ability to store up to three aggregated fullflow logs simultaneously with different aggregation period
  * Enhancement: Data collection by median RTT

=== Version v.1.18.1 (06/26/2023) ===

  * New feature: Fullflow raw log compression
  * Bug-fix

=== Version v.1.17.3 (03/21/2023) ===

  * New feature: Kaspersky feeds
  * Bug-fix

=== Version v.1.14.1 (09/06/2022) ===

  * New feature: OpenCellID service

=== Version v.1.12.9 (10/20/2021) ===

  * Clickhouse version update to 21.10+ 
  * Console command for displaying statistics - statdpi
  * Domain database

=== Version v.1.11.3 (08/23/2021) ===

   * Cluster support
   * Sharding support
   * Support for custom protocols 

=== Version v.1.10.7 (08/05/2021) ===

   * Clickhouse version update to 21.7+ 

=== Version v.1.9.0 (12/28/2020) ===

   * Receiving Netstream NAT from third-party systems in QoE Stor. Automatic binding of IP-LOGIN in NAT logs 

=== Version v.1.8.1 (11/12/2020) ===

   * Flexible configuration of fullflow and clickstream aggregation in QoE Stor

=== Version v.1.7.3 (10/15/2020) ===

   * The ability to store data on HOT and COLD disks
   * Reception and storage of NAT logs. The option to generate a NAT log from fullflow. Flexible configuration of the aggregation period and the list of fields to be aggregated
   * Reception and storage of GTP logs

=== Version v.1.6.0 (09/14/2020) ===

   * Option: substitution of the Login field with the value from the vchannel field
   * Bug fix

=== Version v.1.4.2 (06/02/2020) ===

  * Bug fix

=== Version v.1.4.0 (05/04/2020) ===

  * Clickhouse 20.3 compatibility support
  * Ability to install on CentOS 8

=== Version v.1.3.8 (04/09/2020) ===

  * Updated protocol dictionaries
  * Added auto-update of the AS dictionary

=== Version v.1.3.6 (11/25/2019) ===

  * Updated protocol dictionaries

=== Version v.1.3.5 (11/06/2019) ===

  * Fixed the behavior of the dictionary of local subnets (got extra addresses)
  * Adapted clickstream loading for the correct operation of the user interface in dpiui2-2.8.2

=== Version v.1.3.4 (10.25.2019) ===

  * Locked in clickstream

=== Version v.1.3.3 (10/15/2019) ===

  * Update Clickhouse to the latest version (> = 19.15)
  * Improved method of loading and processing logs
  * Prepared base for the analysis of raw logs
  * Connection logs Clear and Netflow


=== Version v.1.1.1 (09/06/2019) ===

  * Update Clickhouse to the latest version
  * Directories asnum_exclude_diс, subnets_exclude_dic and the corresponding filtering mode for these directories

=== Version v.1.0.9 (21.02.2019) ===

  * Bug concerning incorrect recognition of trunk switches is fixed
  * ''protocols_dic'' dictionary is updated

=== Version v.1.0.7 hot fixes (24.12.2018) ===

  * ipfix re-export feature is added and is available through the ipfixreceiver configuration file: IPFIX_FULLFLOW_EXPORT and IPFIX_CLICKSTREAM_EXPORT

=== Version v.1.0.6 hot fixes (04.12.2018) ===

  * Bugs concerning the work of the subnets_local_dic dictionary (such as "A call to function range would produce 12884901882 array elements")
  * ipfixreceiver2 receiver configuration has been fixed (FileWriter queue is full. Records dropped.)

=== Version v.1.0.5 (03.12.2018) ===

  * Host Category Dictionaries
  * Transition to the ipfixreceiver2

<note important>
  - Do not forget to update the installation script (in the Installation section) before upgrading. To upgrade, use the installation script.
  - After the upgrade has been finished, check whether the receivers are running: <code>netstat -nlp | grep 1500</code> and <code>netstat -nlp | grep 1501</code> ipfixreceiver2 should listen corresponding sockets. 
  - If receivers are not running, execute the /var/qoestor/backend/qoestor-config.sh script
</note>

=== Version v.1.0.4 (02.11.2018) ===

  * Preaggregation is implemented resulting in reducing the netflow by 6-7 times and clickstream by 3 times
  * The following dictionaries are implemented: subscribers, switches, autonomous systems (AS), crc
  * The following features are added: identification the traffic direction and subscribers filtering  (separation of IP hosts and IP subscribers) by AS and CIDR. This option  is meaningful only if the VAS Experts DPI is implemented using the mirror connection scheme.

This QoE Stor version works with the version of DPIUI2-2.1.5 and higher

<note important>If you have already installed version 1.0.0, then you should to delete the database due to complete version incompatibility before installing the new version.
To do so issue the command:  <code>clickhouse-client --query="drop database qoestor"</code></note>


=== Version v.1.0.0 (20.09.2018) ===

  * A new QoE Stor module is implemented