Hey guys, thanks for the answers so far. I got your points. I would recommend to add a hint like „Don’t use /tmp as default in production. Please change this parameter in a production environment“. They are doing this with other parameters like the replication factor in the documenation, too.
Best regards Marc > Am 18.04.2018 um 20:46 schrieb Peter Bukowinski <pmb...@gmail.com>: > > I believe that default parameters should help people new to a product get a > test instance running relatively easily. Setting the log.dir to temp aligns > with this philosophy. > > Once you’re out of a testing phase, you’ll hopefully be familiar enough with > the product to set appropriate values for config parameters. > > That being said, perhaps this particular config parameter should be > highlighted for update when moving to production. > > -- Peter Bukowinski > >> On Apr 18, 2018, at 11:27 AM, adrien ruffie <adriennolar...@hotmail.fr> >> wrote: >> >> Hi Marc, >> >> >> I think it's depends rather on "log.dirs" parameter. Because this parameter >> would prefer to use in more convenient case, "log.dir" parameter is >> secondary. >> >> >> logs.dirs: The directories in which the log data is kept. If not set, the >> value in log.dir is used >> >> >> log.dir: The directory in which the log data is kept (supplemental for >> log.dirs property) >> >> >> It's obvious that the "logs.dirs" parameter should be used preferably, >> before "log.dir". >> >> >> and the "log.dir" is just used to make sure that writing is possible at a >> place where rights are most often allowed. >> >> >> best regards, >> >> >> Adrien >> >> ________________________________ >> De : Marc van den Bogaard <mailingl...@neozo.de> >> Envoyé : mercredi 18 avril 2018 17:43:07 >> À : users@kafka.apache.org >> Objet : Default kafka log.dir /tmp | tmp-file-cleaner process >> >> Hey guys, >> >> when I look in the kafka documentation >> (https://kafka.apache.org/documentation/ >> <https://kafka.apache.org/documentation/>) the default log.dir for the kafka >> logs is /tmp. >> >> Could someone please tell me why? Because if you don’t change this you >> probably get some issues regarding the tmp-file-cleaner process >> which is running on most of the nix-systems and deletes files under /tmp >> (e.g. older than 10 days which were not touched). We already had some >> problems and segment files where removed which caused kafka to crash. So we >> changed this configuration so something like /var/lib/kafka/data/… I didn’t >> find anyone else with this problem nor information regarding this. >> >> >> Best regards >> >> Marc