diff --git a/docs/usage.rst b/docs/usage.rst index d80d5a5e2..fcbee5fef 100644 --- a/docs/usage.rst +++ b/docs/usage.rst @@ -77,12 +77,12 @@ Resource Usage 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 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. 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 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 - the connection (ssh: repo url). if you use a locally mounted network filesystem, additional some copy - operations used for transaction support go over the connection additionally. if you backup multiple sources to - one target repository, additional traffic happens for cache resynchronization. +Network: if your repository is remote, all deduplicated (and optionally compressed/encrypted) data of course has to go + over the connection (ssh: repo url). if you use a locally mounted network filesystem, additionally some copy + operations used for transaction support also go over the connection. if you backup multiple sources to one + 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