Arjen Lentz wrote:
For storage...
- is encryption really necessary for Drizzle-style uses?
- compression... could be interesting, to reduce disk I/O.
Not too fussed about having to scan from start of a log file to
decode, or at least in large chunks.
For transmission (to slaves), let's let stunnel deal with compression
and encryption.
Or did you want the server to just toss a complete compressed event at
a slave, with uncompressed header? Dunno if that's worth it.
The header needs to contain plenty of info (databases, tables, some
other foo) which could be subject to filtering on server-side at some
point.
I did a performance study on this awhile back. ZLib decompression on a
1.3 GHh Athlon was slower than reading it uncompressed, but I don't
think this means a great more than zlib is a suitable compression
scheme. Something faster at the cost of compression efficiency might do
the trick.
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