nuke db on too many open files error, increase compaction size (#16141)
nuke db on too many open files error, increase compaction size (#16141)

* nuke db on too many open files error

* 10 mb not 50

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client