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Diffstat (limited to 'doc/en_US/performances.markdown')
| -rw-r--r-- | doc/en_US/performances.markdown | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/doc/en_US/performances.markdown b/doc/en_US/performances.markdown new file mode 100644 index 00000000..7b006bf8 --- /dev/null +++ b/doc/en_US/performances.markdown @@ -0,0 +1,39 @@ +Kanboard Performances +===================== + +According to your configuration, some features can slow down the usage of Kanboard. +By default, all operations are synchronous and performed in the same thread as the HTTP request. +This is a PHP limitation. +However, it's possible to improve that. + +Depending on the plugins you install, communicating to external services can take hundred of milliseconds or even seconds. +To avoid blocking the main thread, it's possible to delegate these operations to a pool of [background workers](worker.markdown). +This setup require that you install additional software in your infrastructure. + +How to detect the bottleneck? +----------------------------- + +- Enable the debug mode +- Monitor the log file +- Do something in Kanboard (drag and drop a task for example) +- All operations are logged with the execution time (HTTP requests, Email notifications, SQL requests) + +Improve Email notifications speed +--------------------------------- + +Using the SMTP method with an external server can be very slow. + +Possible solutions: + +- Use the background workers if you still want to use SMTP +- Use a local email relay with Postfix and use the "mail" transport +- Use an email provider that use an HTTP API to send emails (Sendgrid, Mailgun or Postmark) + +Improve Sqlite performances +--------------------------- + +Possible solutions: + +- Do not use Sqlite when you have a lot of concurrency (several users), choose Postgres or Mysql instead +- Do not use Sqlite on a shared NFS mount +- Do not use Sqlite on a disk with poor IOPS, it's always preferable to use local SSD drives |