From: Valeriy S. <sok...@gm...> - 2013-07-17 20:15:02
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Not sure if the quoted message was delivered to the list (maybe because I was not registered on this list), so reposting it this way... On Fri, Jul 12, 2013 at 5:40 PM, Valeriy Sokolov <sok...@gm...>wrote: > Hi, > > I am trying to store lots of small (~2Kb) files in the filenode-s of the > pytables. And I ran into a trouble with size overhead. > > 200 such files which consumes in total ~2Mb on the filesystem takes 14Mb > in the .h5 file produced by pytables. My experiments show that if I create > 200 file nodes and store 1 byte in each, I have .h5 of 14Mb. Approximately > from the size like 200Kb per file node I have a linear increase of size. > I.e. 400Kb per node leads to 89Mb, and 800Kb per node leads to 164Mb. > > But I would like to store ~2Kb there and current overhead (like 70Kb per > file node) is pretty huge. > > Could you please help me with work-around for this issue? > > Thank you in advance. > > -- > Best regards, > Valeriy Sokolov. > -- Best regards, Valeriy Sokolov. |