I'm trying to upgrade from 1.16a to 1.17.0rc1.

The process gets stuck after an exection time error.

...have ipb_id field in ipblocks table.
...have ipb_expiry field in ipblocks table.
...already have interwiki table
...indexes seem up to 20031107 standards
...hitcounter table already exists.
...have rc_type field in recentchanges table.
...have user_real_name field in user table.
...querycache table already exists.
...objectcache table already exists.
...categorylinks table already exists.
...il_from OK
...have rc_ip field in recentchanges table.
...PRIMARY key already set on image table.
...have rc_id field in recentchanges table.
...have rc_patrolled field in recentchanges table.
...logging table already exists.
...have user_token field in user table.
...have wl_notificationtimestamp field in watchlist table.
...watchlist talk page rows already present
...user table does not contain user_emailauthenticationtimestamp field.
...page table already exists.
...have log_params field in logging table.
...logging table has correct log_title encoding.
...have ar_rev_id field in archive table.
...have page_len field in page table.
...revision table does not contain inverse_timestamp field.
...have rev_text_id field in revision table.
...have rev_deleted field in revision table.
...have img_width field in image table.
...have img_metadata field in image table.
...have user_email_token field in user table.
...have ar_text_id field in archive table.
...page_namespace is already a full int (int(11)).
...ar_namespace is already a full int (int(11)).
...rc_namespace is already a full int (int(11)).
...wl_namespace is already a full int (int(11)).
...qc_namespace is already a full int (int(11)).
...log_namespace is already a full int (int(11)).
...have img_media_type field in image table.
...already have pagelinks table.
...image table does not contain img_type field.
...already have unique user_name index.
...user_groups table exists and is in current format.
...have ss_total_pages field in site_stats table.
...user_newtalk table already exists.
...transcache table already exists.
...have iw_trans field in interwiki table.
...trackbacks table already exists.
...wl_notificationtimestamp is already nullable.
...times key already set on logging table.
...have ipb_range_start field in ipblocks table.
...no page_random rows needed to be set
...have user_registration field in user table.
...templatelinks table already exists
...externallinks table already exists.
...job table already exists.
...have ss_images field in site_stats table.
...langlinks table already exists.
...querycache_info table already exists.
...filearchive table already exists.
...have ipb_anon_only field in ipblocks table.
...rc_ns_usertext key already set on recentchanges table.
...rc_user_text key already set on recentchanges table.
...have user_newpass_time field in user table.
...redirect table already exists.
...querycachetwo table already exists.
...have ipb_enable_autoblock field in ipblocks table.
...index pl_namespace on table pagelinks includes field pl_from
...index tl_namespace on table templatelinks includes field tl_from
...index il_to on table imagelinks includes field il_from
...have rc_old_len field in recentchanges table.
...have user_editcount field in user table.
...page_restrictions table already exists.
...have log_id field in logging table.
...have rev_parent_id field in revision table.
...have pr_id field in page_restrictions table.
...have rev_len field in revision table.
...have rc_deleted field in recentchanges table.
...have log_deleted field in logging table.
...have ar_deleted field in archive table.
...have ipb_deleted field in ipblocks table.
...have fa_deleted field in filearchive table.
...have ar_len field in archive table.
...have ipb_block_email field in ipblocks table.
...index cl_sortkey on table categorylinks includes field cl_from
...have oi_metadata field in oldimage table.
...usertext_timestamp key already set on archive table.
...img_usertext_timestamp key already set on image table.
...oi_usertext_timestamp key already set on oldimage table.
...have ar_page_id field in archive table.
...have img_sha1 field in image table.
...protected_titles table already exists.
...have ipb_by_text field in ipblocks table.
...page_props table already exists.
...updatelog table already exists.
...category table already exists.
...category table already populated.
...have ar_parent_id field in archive table.
...have user_last_timestamp field in user_newtalk table.
...rev_parent_id column already populated.
...protected_titles table has correct pt_title encoding.
...have ss_active_users field in site_stats table.
...ss_active_users user count set...
...have ipb_allow_usertalk field in ipblocks table.
...pl_namespace, tl_namespace, il_to indices are already UNIQUE.
...change_tag table already exists.
...tag_summary table already exists.
...valid_tag table already exists.
...user_properties table already exists.
...log_search table already exists.
...have log_user_text field in logging table.
Populating log_user_text field, printing progress markers. For large
databases, you may want to hit Ctrl-C and do this manually with
maintenance/populateLogUsertext.php.
Done populating log_user_text field.
...log_search table already populated.
...l10n_cache table already exists.
Creating external_user table...ok
...ls_field_val key already set on log_search table.
...change_tag_rc_tag key already set on change_tag table.
Adding rd_interwiki field to table redirect...ok
Converting tc_time from UNIX epoch to MediaWiki timestamp... ok
Renaming eu_wiki_id -> eu_local_id... done.
Altering all *_mime_minor fields to 100 bytes in size ... done.
<br />
<b>Fatal error</b>: Maximum execution time of 30 seconds exceeded in <b>.../maintenance/populateRevisionLength.php</b> on line <b>62</b><br />

My wiki has 50,000 articles / 110,000 total pages if that matters.

Version: 1.17.x
Severity: normal