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Datacage: Add a pool of builders to make it multi threadable. XML DOM is not thread safe. Therefore the old implementation only allowed one thread to use the builder at a time. As the complexity of the configuration has increased over time this has become a bottleneck of the whole application because it took quiet some time to build a result. Furthermore the builder code path is visited very frequent. So many concurrent requests were piled up resulting in long waits for the users. To mitigate this problem a round robin pool of builders is used now. Each of the pooled builders has an independent copy of the XML template and can be run in parallel. The number of builders is determined by the system property 'flys.datacage.pool.size'. It defaults to 4.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 21 Apr 2013 12:48:09 +0200
parents 79878efbdf07
children
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2011-09-19      RELEASE 2.5

    NEW:

        * Improved the data model to support:
          - cross sections
          - hyks ("Hydraulische Kenngroessen")

        * Improved the importer to read:
          - PRF files
          - HYK files

        * Added a central Config to configure the Importer. There are several
          system properties to adjust what to import (see ChangeLog for
          details).

        * Added a Postgis and Oracle models for spatial flys data:
          - catchments
          - river axes
          - buildings
          - fixpoints
          - cross section tracks
          - hws ("HW-Schutzanlagen")
          - floodplains

        * Bumped Hibernate up to 3.6.5.

        * Bumped Apache DBCP up to 1.4.



2011-06-27      RELEASE 2.4

    New:

        * Improved the data model to support:
          - edges ("Oberkante", "Unterkante")
          - annotations

        * Improved the importer to read:
          - edges
          - annotations

        * Made search for gauges in River independent of from/to
          kilometer order.


    Fixes:

        * flys/issue76 Close gaps between q ranges

        * flys/issue110 Fixed import of ATs that skipped the first value.



2011-05-13      RELEASE 2.3

    New:

        * Import of:
          - "zusätzliche Längsschnitte"
          - "Fixierungen"
          - "amtliche Linien"
          - "Hochwassermarken"
          - "Historische Abflusskurven"
          - "HW-Schutzanlagen"

        * Improvements in the SQL schema:
          - Added a 'kind' column to WSTs
          - Added a 'position' column to WST columns to enable sorting WST columns.
          - Added a 'km_up' column to rivers to determine the flow direction of rivers.

        * Rivers are now able to:
          - determine their min/max kilometer range
          - determine the selected gauge(s) based on a kilometer range

        * WSTs are able to determine their min/max Q range.

        * Gauges are able to determine their min/max W range.

        * Added a view 'wst_value_table' that aggregates the data to build w/q
          value tables.

        * Added one-to-many relation Wst -> WstColumn

        * Speedup of the importer by using an internal caching mechanism.

        * Sta-Parse just accepts the following main value types: 'Q', 'W', 'D' and 'T'


    Fixes:

        * Fixed import of Q ranges in wst files.

        * Fixed flys/issue19: Do not take km column in wst file as a water level.

        * Fixed flys/issue11 (Diagramm: Fehlerhafte Werte in Abflusskurven)

        * Fixed flys/issue51 (WINFO: Fachdaten am Pegel Perl enthält Sprünge)


    !!!

    The version number of this release depends on an existing desktop variant of
    this software that is in version 2.1.

    !!!

2011-03-30      RELEASE 0.1
http://dive4elements.wald.intevation.org