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performance

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    Seperate JVM for cached objects

    Currently, DV runs with single JVM for all server threads, user requests, caching,etc. and causing too high HEAP requirement, custom GC settings and unrecoverable exceptions. This is causing frequent restarts (due to node shunned alerts) and somet...
    over 6 years ago in Spotfire Data Virtualization / performance 1 Needs Info

    Filter before Procedure Join

    We are increasing the use of Web Services, thus more procedures. It is very common for us to join a web service to a relational table, however the procedure join is executed for every row. Is it possible to update the query engine to apply a filte...
    almost 7 years ago in Spotfire Data Virtualization / performance 0 Will not implement

    Adaptive Query Engine Statistics

    Statistics for data-source tables are independent of the query being executed, and while heuristics can be used to guess the volume of data retrieved & processed by different portions of a query plan, if -- for a configurable time-window -- th...
    almost 8 years ago in Spotfire Data Virtualization / performance 0 Future Consideration

    Use or support Zing JVM for better GC and server performance

    We currently use large heap sizes >16gb and running into frequent client timeout issues caused by "Long GC pauses". We tried jvm fine-tuning with CMS and G1 GC. Other JVMs such as Azul's Zing/Zulu JVM would help in this case with true parallel ...
    almost 7 years ago in Spotfire Data Virtualization / performance 0 Will not implement
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