# Consider increasing the configuration parameter "max\_wal\_size"

**URL:** <https://meta.discourse.org/t/consider-increasing-the-configuration-parameter-max-wal-size/47049>\
**Category:** Product Support\
**Created:** [Juillet 10, 2016, 4:10 UTC](https://meta.discourse.org/t/consider-increasing-the-configuration-parameter-max-wal-size/47049 "2016-07-10T04:10:06Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![diegoeis](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/diegoeis/32/121664_2.png) [@diegoeis](https://meta.discourse.org/u/diegoeis)\
**Post date:** [Juillet 10, 2016, 4:10 UTC](https://meta.discourse.org/t/consider-increasing-the-configuration-parameter-max-wal-size/47049/1 "2016-07-10T04:10:06Z")

</div>

Hi, I’m trying change the smtp address of my smtp email server. I edit my app.yml, change the address, :wq to save, and try rebuild the app. In a specific point, the system warn me this error.

```plaintext
Using spork-rails 4.0.0
0: spork-rails (4.0.0) from /var/www/discourse/vendor/bundle/ruby/2.3.0/specifications/spork-rails-4.0.0.gemspec
Bundle complete! 99 Gemfile dependencies, 179 gems now installed.
Gems in the group development were not installed.
Bundled gems are installed into ./vendor/bundle.

I, [2016-07-10T04:04:40.895077 #13] INFO -- : > cd /var/www/discourse && su discourse -c 'bundle exec rake db:migrate'
2016-07-10 04:05:40 UTC [46-1] LOG: checkpoints are occurring too frequently (24 seconds apart)
2016-07-10 04:05:40 UTC [46-2] HINT: Consider increasing the configuration parameter "max_wal_size".
2016-07-10 04:06:00 UTC [46-3] LOG: checkpoints are occurring too frequently (20 seconds apart)
2016-07-10 04:06:00 UTC [46-4] HINT: Consider increasing the configuration parameter "max_wal_size".
2016-07-10 04:06:19 UTC [46-5] LOG: checkpoints are occurring too frequently (19 seconds apart)
2016-07-10 04:06:19 UTC [46-6] HINT: Consider increasing the configuration parameter "max_wal_size".
2016-07-10 04:06:36 UTC [46-7] LOG: checkpoints are occurring too frequently (17 seconds apart)
2016-07-10 04:06:36 UTC [46-8] HINT: Consider increasing the configuration parameter "max_wal_size".
2016-07-10 04:06:53 UTC [46-9] LOG: checkpoints are occurring too frequently (17 seconds apart)
2016-07-10 04:06:53 UTC [46-10] HINT: Consider increasing the configuration parameter "max_wal_size".

```

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