Hi, You may remember some thread about data loading performances and multi-threading support in pgloader: http://archives.postgresql.org/pgsql-performance/2008-02/msg00081.php The pgloader code to handle this is now ready to get tested, a more structured project could talk about a Release Candidate status. http://pgloader.projects.postgresql.org/dev/TODO.html http://pgloader.projects.postgresql.org/dev/pgloader.1.html#_parallel_loading http://packages.debian.org/pgloader --- experimental has the next version As for the performances benefit of this new version (2.3.0~dev2), all the work could be reduced to zilch because of the python Global Interpreter Lock, which I've been aware of late in the development effort. http://docs.python.org/api/threads.html This documentation states that (a) using generators you're not that concerned, and (b) the global lock still allows for IO and processing at the same time. As pgloader uses generators, I'm still not sure how much a problem this will be. I'd like to have some feedback about the new version, in term of bugs encountered and performance limitations (is pgloader up to what you would expect a multi-threaded loader to be at?) Regards, -- dim
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