Run pt-table-checksum on s4 - commonswiki.
The following tables do not have a PK and thus need to be excluded:
```
archive_save
blobs
categorylinks
change_tag
click_tracking
click_tracking_user_properties
cur
edit_page_tracking
hidden
imagelinks
interwiki
iwlinks
l10n_cache
langlinks
linkscc
localisation_file_hash
log_search
logging_pre_1_10
math
module_deps
msg_resource
msg_resource_links
objectcache
oldimage
pagelinks
prefstats
prefswitch_survey
profiling
querycache
querycache_info
querycachetwo
revtag
searchindex
securepoll_lists
securepoll_msgs
securepoll_properties
site_identifiers
site_stats
tag_summary
templatelinks
text
transcache
translate_messageindex
translate_reviews
user_former_groups
user_newtalk
user_properties
uw_campaign_conf
watchlist
```
The __wmf_checksums is placed on:
commonswiki.__wmf_checksums