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(parent: 07ea54c) | patch
Maintain server checkpoint locations 40/90740/2
authorTschaen, Brendan <ctschaen@att.com>
Mon, 1 Jul 2019 16:45:24 +0000 (12:45 -0400)
committerTschaen, Brendan <ctschaen@att.com>
Mon, 1 Jul 2019 20:05:38 +0000 (16:05 -0400)
commitca670ecc97305331c27d0491b88cca490e1fdecf
tree125fa20e46f34c3fbdac1e887353583b2c229a7atree | snapshot
parent07ea54cfc9341cfc5cc64526e1d357981e6841edcommit | diff
Maintain server checkpoint locations

Issue-ID: MUSIC-421
Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
Change-Id: I39d3eec764e55b6544add41acbd2a86bde532262
mdbc-server/src/main/java/org/onap/music/mdbc/MdbcConnection.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/StateManager.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/DBInterface.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MusicInterface.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MusicMixin.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/MySQLMixin.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/mixins/PostgresMixin.java diff | blob | history
mdbc-server/src/main/java/org/onap/music/mdbc/ownership/OwnershipAndCheckpoint.java diff | blob | history
mdbc-server/src/test/java/org/onap/music/mdbc/ownership/OwnershipAndCheckpointTest.java diff | blob | history
The most crucial recipe is a multi-site database cache (mdbc) that enable ONAP components that maintain state in a SQL database to avail the benefits of MUSIC without compromising their need to use transactional SQL DBs. These ONAP components can rely on existing db clustering techniques like MariaDB for transactionality and complex querying within a site. mdbc will intercept each of these read/write calls to the db cluster and mirror this state to other geo-distributed sites through MUSIC either synchronously or asynchronously (configurable at a table-level). For example, components like the ONAP Service Orchestrator that use MariaDB to maintain state can directly use this recipe with no change to their SQL code.