My earlier blog about shared pool duration got an offline response from one of my reader:
” So, you say that durations aka mini-heaps have been introduced from 10g onwards. I have been using Steve Adams’ script shared_pool_free_lists.sql. Is that not accurate anymore?”
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Shared pool free lists
I have a great respect for Steve Adams . In many ways, he has been a great virtual mentor and his insights are so remarkable.
Coming back to the question, I have used Steve’s script before and it is applicable prior to Oracle version 9i. In 9i, sub-heaps were introduced. Further, shared pool durations were introduced in Oracle version 10g. So, his script may not be applicable from version 9i onwards. We will probe this further in this blog.
This is the problem with writing anything about internals stuff, they tend to change from version to version and In many cases, our work can become obsolete in future releases(including this blog!).
