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<p class="MsoNormal">Everyone<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here is some updated slides that I intend to put up on our Github site.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I worked on the Janusgraph/Cassandra server set-up over the last week and got a successful design, last night.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My working design is as follows:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">Ubuntu 22.x<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">2 cores of X86_64<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo1">4 GB of memory<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The choices were made as follows:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Cassandra database back-end<o:p></o:p></li><ul style="margin-top:0in" type="circle">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">I came to the conclusion that we needed a NoSQL database, as opposed to a relational database when I was imagining out the database transactions. I came to that conclusion due to
the fact that the keys needed to point to a next jumping off point. That just smells like a columnar format database instead of a primary key set-up with fixed data lengths. I saw a need to address multiple paths and simultaneous connections, something that
a relational database is going to struggle with. I jumped on Cassandra instead of Mongo or HBase because of its column data formatting and peer-to-peer architecture, for scaling.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Janusgraph can do BerkeleyDB, as well, but Cassandra is more ‘robust’ and is scalable.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can use Lucene for queries.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">For my testing, I chose 3.11.0 because that was the version that was verified with Janusgraph.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">I configured that back-end janusgraph configuration with cql and Lucene.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">For dependencies, I installed Python2 and OpenJDK-8.11-JRE.<o:p></o:p></li></ul>
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2">Janusgraph<o:p></o:p></li><ul style="margin-top:0in" type="circle">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Configurations set to run the Lucene search libraries.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can create Vertices and Edges that mirror our Sunfish database.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can fill the Vertices and Edges to match the Redfish entries<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">The edges can mirror our Redfish connections.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can leverage Lucene libraries to gather intelligence on the machines and components<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can describe multiple Graphs, simultaneously, for ‘zoom in/zoom out’.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can write tools that create Redfish/Swordfish associations and simultaneously build and deconstruct database entries and associations.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Do we want to do a start-up comparison of the persistent database entries and in-memory real-time entries? Are we looking for a run-time comparison?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can run Gremlin code (Turing compatible code for graph database entries and searches) for database changes and Lucene searches<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">Janusgraph and Gremlin work with Java and Python3 extensions. So, we can code up Gremlin transactions from a consistent code base.<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level2 lfo2">We can leverage the Gremlin shell and remote connections to provide in-code development and testing.<o:p></o:p></li></ul>
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo2"><o:p></o:p></li></ul>
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