X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/2966d83fa4e18eb62d1bbb1c9a0c39d9d845112f..f3b8d03f7063b162355bccfd71aeb2b8b67bbdbb:/doc/admin/upgrading.html.textile.liquid?ds=sidebyside diff --git a/doc/admin/upgrading.html.textile.liquid b/doc/admin/upgrading.html.textile.liquid index ee7ac4e44e..32b3bf701c 100644 --- a/doc/admin/upgrading.html.textile.liquid +++ b/doc/admin/upgrading.html.textile.liquid @@ -32,6 +32,12 @@ h2(#main). development main "previous: Upgrading to 2.7.0":#v2_7_0 +h3. Synchronize keepstore and keep-balance upgrades + +The internal communication between keepstore and keep-balance about read-only volumes has changed. After keep-balance is upgraded, old versions of keepstore will be treated as read-only. We recommend upgrading and restarting all keepstore services first, then upgrading and restarting keep-balance. + +h3. Separate configs for MaxConcurrentRequests and MaxConcurrentRailsRequests + The default configuration value @API.MaxConcurrentRequests@ (the number of concurrent requests that will be processed by a single instance of an arvados service process) is raised from 8 to 64. A new configuration key @API.MaxConcurrentRailsRequests@ (default 8) limits the number of concurrent requests processed by a RailsAPI service process.