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docs: add some words about resource usage (fixed wording)

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Thomas Waldmann 2015-07-29 21:48:57 +02:00
parent 1e097bfd6b
commit 9d21e4ad69
1 changed files with 8 additions and 6 deletions
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docs/usage.rst
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@ -77,12 +77,12 @@ Resource Usage
CPU: it won't go beyond 100% of 1 core as the code is currently single-threaded. CPU: it won't go beyond 100% of 1 core as the code is currently single-threaded.
Memory (RAM): the chunks index and files index is read into memory for performance reasons. Memory (RAM): the chunks index and the files index are read into memory for performance reasons.
Temporary files: reading data and metadata from a FUSE mounted repository will consume about the same space as the Temporary files: reading data and metadata from a FUSE mounted repository will consume about the same space as the
deduplicated chunks used to represent them in the repository. deduplicated chunks used to represent them in the repository.
Cache files: chunks index and files index (plus a collection of single-archive chunk indexes). Cache files: chunks index and files index (plus a compressed collection of single-archive chunk indexes).
Chunks index: proportional to the amount of data chunks in your repo. lots of small chunks in your repo implies a big Chunks index: proportional to the amount of data chunks in your repo. lots of small chunks in your repo implies a big
chunks index. you may need to tweak the chunker params (see create options) if you have a lot of data and chunks index. you may need to tweak the chunker params (see create options) if you have a lot of data and
@ -91,10 +91,12 @@ Chunks index: proportional to the amount of data chunks in your repo. lots of sm
Files index: proportional to the amount of files in your last backup. can be switched off (see create options), but Files index: proportional to the amount of files in your last backup. can be switched off (see create options), but
next backup will be much slower if you do. next backup will be much slower if you do.
Network: if your repository is remote, all deduplicated (and optionally compressed/encrypted) of course have to go over Network: if your repository is remote, all deduplicated (and optionally compressed/encrypted) data of course has to go
the connection (ssh: repo url). if you use a locally mounted network filesystem, additional some copy over the connection (ssh: repo url). if you use a locally mounted network filesystem, additionally some copy
operations used for transaction support go over the connection additionally. if you backup multiple sources to operations used for transaction support also go over the connection. if you backup multiple sources to one
one target repository, additional traffic happens for cache resynchronization. target repository, additional traffic happens for cache resynchronization.
In case you are interested in more details, please read the internals documentation.
.. include:: usage/init.rst.inc .. include:: usage/init.rst.inc