Re: [Pytables-users] Question about Leaf.remove() method

2013-08-29 Thread Anthony Scopatz
Hello Premal, This is just how HDF5 works. When you delete a Leaf the reference to that node is removed and the space in the file becomes available for future use. However, HDF5 will not reduce files, it will only grow them. Thus new data could fill in the used space but it doesn't go away. It

[Pytables-users] Question about Leaf.remove() method

2013-08-29 Thread Forafo San
Hello All, I have some data in an HDF5 file that is created with PyTables. Occasionally, I update the data by reading in one of the tables and adding or deleting rows. Then, I create a new table containing the updated data, give it a random name, and let it reside in the same group where the old t