[Duplicity-talk] Duplicity Backup capability

[Edward]

Hi Guys,

I found duplicity is a very cool idea to do backup, so i tried to use it for one of my servers, to a locally attached USB drive.
However, I encountered a few problems.

1. Speed. I backed up a 90G folder which took me 3 days. And about 200G of data goes infinite. It has been running for 2 weeks but the backup data grows super super slow about 19G.
2. It failed with a simple error message: MemoryError, (below is the stack trace)

No signatures found, switching to full backup.
Traceback (most recent call last):
  File "/usr/bin/duplicity", line 401, in ?
    if __name__ == "__main__": main()
  File "/usr/bin/duplicity", line 394, in main
    if not sig_chain: full_backup(col_stats)
  File "/usr/bin/duplicity", line 146, in full_backup
    bytes_written = write_multivol("full", tarblock_iter, globals.backend)
  File "/usr/bin/duplicity", line 83, in write_multivol
    else: at_end = gpg.GzipWriteFile(tarblock_iter, tdp.name,globals.volsize)
  File "/usr/lib/python2.3/site-packages/duplicity/gpg.py", line 241, in GzipWriteFile
    try: new_block = block_iter.next(bytes_to_go)
  File "/usr/lib/python2.3/site-packages/duplicity/diffdir.py", line 405, in next
    if self.process_waiting: result = self.process_continued(size)
  File "/usr/lib/python2.3/site-packages/duplicity/diffdir.py", line 520, in process_continued
    data, last_block = self.get_data_block(self.process_fp, size-512)
  File "/usr/lib/python2.3/site-packages/duplicity/diffdir.py", line 508, in get_data_block
    buf = fp.read(read_size)
  File "/usr/lib/python2.3/site-packages/duplicity/diffdir.py", line 339, in read
    self.sig_gen.update(buf)
  File "/usr/lib/python2.3/site-packages/duplicity/librsync.py", line 179, in update
    if self.process_buffer():
  File "/usr/lib/python2.3/site-packages/duplicity/librsync.py", line 187, in process_buffer
    self.sig_string += cycle_out
MemoryError

Does anyone encounter the same problem?

Best Regards
Edward

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