Thanks John, your opinion is really helpful :) El martes, 17 de junio de 2014 15:30:53 UTC+2, jcbollinger escribió: > > > > On Tuesday, June 17, 2014 3:45:57 AM UTC-5, Félix Barbeira wrote: >> >> I always heard that serve large files over puppet is a bad practice. >> But...I guess it depends of what you consider a large file. Everyone agree >> that serve for example a 25MB file over puppet it's definitely not >> recommended. >> >> > It is generally useful in such cases to understand *why* a thing is > considered poor practice. Otherwise it's very hard to reason about > questions such as the one you are posing. > > The general advice to avoid serving "large" files via the Puppet master's > built-in file server is based on Puppet's default behavior of using MD5 > checksums to determine whether the target file's content is already in > sync. Checksumming the source and target files is comparatively expensive, > and the master must do it for each catalog request for each client for each > File resource in its catalog (that uses the default checksum method). > > > >> My question is wether a text file of ~7000 lines and ~700KB would be >> acceptable. Do you think this file rebase "puppet recommended size limits >> for file" and it's big enough to use the advices of the following thread?? >> >> >> https://ask.puppetlabs.com/question/627/serving-large-files-formally-code-artifacts-best-practices/ >> >> <https://www.google.com/url?q=https%3A%2F%2Fask.puppetlabs.com%2Fquestion%2F627%2Fserving-large-files-formally-code-artifacts-best-practices%2F&sa=D&sntz=1&usg=AFQjCNEX6OGIKtjD9bPDQi_xRBYq9BN6LA> >> > > > There is no one-size-fits-all answer. If your master can support the > combined load, and if the load on your clients (from checksumming on their > side) is acceptable, then you are basically ok. Beware, however, of the > load creeping up as you add more Files, and mind that your master's client > capacity is affected by how much work it must perform for each client. > > Note, too, that there are multiple possible approaches. If the file(s) > you want to serve is static and doesn't change too frequently then > packaging it up and managing it via a Package is a good solution, and I > would certainly consider that for a 700kB file. Especially so if it's part > of a collection that you can package up together. On the other hand, you > can also reduce the computational load by switching to a lighter-weight > checksum method > <http://docs.puppetlabs.com/references/3.4.stable/type.html#file-attribute-checksum>, > > at the expense of a greater risk of Puppet mistaking whether the File is > already in sync. Or if you put it on a network file server accessible to > your clients, then 'source'ing it from there works, and spares the master > from checksumming. > > > John > >
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