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implement chunk logs

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Slightly tricky as they are not normal UUIDBased logs, but are instead maps
from (uuid, chunksize) to chunkcount.

This commit was sponsored by Frank Thomas.
This commit is contained in:
Joey Hess 2014-07-24 16:23:36 -04:00
parent bbdb2c04d5
commit e2c44bf656
8 changed files with 134 additions and 39 deletions
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10
doc/internals.mdwn
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@ -224,16 +224,14 @@ are indicated by prefixing them with "!"
These log files are used when objects are stored in chunked form on
remotes. They record the size(s) of the chunks, and the number of chunks.
For example, this logs that a remote has an object stored using 9 chunks
of 1 mb size:
For example, this logs that a remote has an object stored using both
9 chunks of 1 mb size, and 1 chunk of 10 mb size.
1287290776.765152s e605dca6-446a-11e0-8b2a-002170d25c55 10240 9
1287290776.765152s e605dca6-446a-11e0-8b2a-002170d25c55:10240 9
1287290776.765153s e605dca6-446a-11e0-8b2a-002170d25c55:102400 1
(When those chunks are removed from the remote, the 9 is changed to 0.)
For future expansion, additional fields may be present following the
number of chunks.
## `schedule.log`
Used to record scheduled events, such as periodic fscks.