Millistream Database Application (MDA) version 0.9.57 released

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The Millistream MDA project team is pleased to announce the release of version 0.9.57 of our open source application for updating SQL servers with data from the Millistream Data Feed.

  • Rewrote the reconnect code for MySQL/MariaDB to make it more robust for certain situations where MDA would not understand that it had to reconnect.
  • Treat “server gone away” on queries above 1MiB in size as rows to ignore on MySQL/MariaDB since this is the same error code as too large a packet. This could earlier end up in endless reconnect+update/insert+reconnct loops.
  • Fixed a bug where deadlocks in aggtrades would not rerun the transaction.
  • Contiunue the work from v0.9.56 with upserts to lessen the number of false warnings from PostgreSQL, now also updates to the newstags and newscoding tables uses upserts on PostgreSQL.

As previously announced, as of v0.9.33 the database schema is developed independently of the MDA and the latest schema including upgrade scripts is available on our http server under the documents section  (MDA_schemas_[version].zip). As of this writing the latest database schema is v127 and is available from https://packages.millistream.com/documents/MDA_schema_127.zip

Do note however that the latest schemas are only needed if you need the new columns/tables, they are not mandatory to operate the MDA!

We consider MDA 0.9.57 to be the best version of MDA available and we recommend that users of older versions upgrade as soon as possible.

MDA 0.9.57 is available for download from the following locations:

Windows users upgrade by running the installer for the new version.

Linux users who have added our apt or yum repositories can upgrade by simply issuing:

  • Debian/Ubuntu: “apt update && apt upgrade“
  • Red Hat/CentOS/Amazon Linux AMI: “yum upgrade“

Information on how to add these repositories are available athttps://packages.millistream.com/Linux/

And as usual, if you have any questions what so ever regarding this release or other things, don’t hesitate to contact us at tech@millistream.com