It's not possible to change auto-compaction settings after changing internal 2i settings

Steps:

• Install a single data+index CB instance
• Make sure that compaction settings work correctly

  Request URL:http://172.23.100.70:8091/controller/setAutoCompaction?just_validate=1

  Request Method:POST

  Status Code:200 OK

  databaseFragmentationThreshold[percentage]:30

  indexCircularCompaction[daysOfWeek]:Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday

  indexCircularCompaction[interval][abortOutside]:false

  indexCircularCompaction[interval][fromHour]:0

  indexCircularCompaction[interval][fromMinute]:0

  indexCircularCompaction[interval][toHour]:0

  indexCircularCompaction[interval][toMinute]:0

  indexCompactionMode:circular

  indexFragmentationThreshold[percentage]:30

  indexFragmentationThreshold[size]:NaN

  parallelDBAndViewCompaction:false

  purgeInterval:3

  viewFragmentationThreshold[percentage]:30

  {"errors":{}}

• Change any 2i settings:

  > curl -XPOST -d '{"indexer.settings.wal_size":40960}' http://Administrator:password@172.23.100.70:9102/settings

  OK

• Check UI again:

  Request URL:http://172.23.100.70:8091/controller/setAutoCompaction?just_validate=1

  Request Method:POST

  Status Code:400 Bad Request

  databaseFragmentationThreshold[percentage]:30

  indexCircularCompaction[daysOfWeek]:sunday,monday,tuesday,wednesday,thursday,friday,saturday

  indexCircularCompaction[interval][abortOutside]:false

  indexCircularCompaction[interval][fromHour]:0

  indexCircularCompaction[interval][fromMinute]:0

  indexCircularCompaction[interval][toHour]:0

  indexCircularCompaction[interval][toMinute]:0

  indexCompactionMode:circular

  indexFragmentationThreshold[percentage]:30

  indexFragmentationThreshold[size]:NaN

  parallelDBAndViewCompaction:false

  purgeInterval:3

  viewFragmentationThreshold[percentage]:30

  {"errors":{"indexCircularCompaction[daysOfWeek]":"index circular compaction days must be one of [\"Sunday\",\"Monday\",\"Tuesday\",\n

Note: HTTP requests and responses are copied from the browser console.