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PL/SQL parallel execution tool [message #671874] Fri, 21 September 2018 05:01
Olexandr Siroklyn
Messages: 2
Registered: September 2018
Junior Member

FCBAsyp is a software providing possibility to run Oracle PL/SQL code in simultaneous asynchro-parallel mode on Oracle 11g, 12c and 18c databases where standard Oracle database parallel execution ways aren't fast or restricted or just unacceptable.

Why FCBAsyp?

A few ways exist to execute PL/SQL code in parallel mode in Oracle database:

via DBMS_SCHEDULER package
  • A standard package for any Oracle editions starting from 10g version
  • A minimal latency to commit (one-by-one) PL/SQL units to launch them in parallel mode
  • Fast commit doesn't mean fast launch
  • Dependence on JOB_QUEUE_PROCESSES parameter, i.e. 1000 pcs. for 10g, 11g, 12c and 4000 pcs. for 18c database versions
  • The actual number of parallel processes created by DBMS_SCHEDULER is auto-tuned by the Oracle database scheduler depending on several factors, including available resources, resource manager settings, and currently running processes*, thus
  • Unpredictable count of simultaneously running parallel processes is guaranteed
  • A standard package for any Oracle edition starting from 10g version
  • Too complicated (a lot of preliminary steps) and therefore too slow, i.e. create chunk table, create task, split the workload into chunks, run the task etc.
a William Robertson's way http://www.williamrobertson.net/documents/parallel-plsql-launcher.html
  • It works
  • Oracle Enterprise Editions only
  • Too complicated usage
via FCBAsyp software
  • All editions of Oracle database (excluding XE edition) are supported for 11g, 12c and 18c versions
  • All kinds of PL/SQL program units supported
  • No any dependence on JOB_QUEUE_PROCESSES parameter
  • Adjustable CPU's utilization from low to extreme high value
  • Recursive launch possibility
  • Up to 15% faster than DBMS_SCHEDULER way
  • Due to "external nature" of FCBAsyp software you can run it on one host and distribute code execution to the different hosts
  • No named user license nor license per processor required. Only license per database instance
  • Java database component should be loaded and valid
  • Windows support is experimental
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Current Time: Sat Oct 20 01:05:32 CDT 2018