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Additional buffers were being allocated for the protocol messages but not being freed. Most of the allocations were fairly harness, but storageRemoteOpenReadProtocol() and storageWriteRemote() were problematic because they were allocating (but not freeing) buffers equal to the transfer size of the file. Depending on compression, this could be a lot of memory. Though the memory was freed after each file transfer the aggregate of memory used during parallel processing could overwhelm systems with constrained memory. Also allocate larger initial buffers in storageRemoteOpenReadProtocol() and storageWriteRemote() so a reallocation is not needed.