[Labs-l] Upgrading labs db replicas to MariaDB 10

[Sean Pringle]

The first MariaDB 10 instance is migrated. These names now (or will very
shortly) access it:

bgwiki.labsdb
bgwiktionary.labsdb
cswiki.labsdb
commonswiki.labsdb
dewiki.labsdb
enwikiquote.labsdb
enwiktionary.labsdb
eowiki.labsdb
fiwiki.labsdb
idwiki.labsdb
itwiki.labsdb
nlwiki.labsdb
nowiki.labsdb
plwiki.labsdb
ptwiki.labsdb
svwiki.labsdb
thwiki.labsdb
trwiki.labsdb
wikidatawiki.labsdb
zhwiki.labsdb

Things to note:

1. There are no federated _f_p databases. Everything is local _p.

2. Some duplicate database names exist on s2, s4, and s5 labsdb replicas.
s5 was migrated first, so all databases that were on dewiki.labsdb and
wikidatawiki.labsdb exist with their original names. Where duplicate
database names existed for s2 and s4, a suffix has been added. This is a
complete list of the databases affected:

p50380g50506__temp_transient_s2
p50380g50507__temp_transient_s2
p50380g50536__catscan2_s2
p50380g50718__u_drtrigon_s2
p50380g50718__u_p50380g50718_s2
p50380g50921__ghel_p_s2
p50380g50921__wma_p_s2
s51127__temp_transient_s2
s51156__catscan2_s2
s51187__xtools_tmp_s2
s51362__erwin85_s2
s51892_toolserverdb_p_s2
s51892_toolserverdb_s2
s51966__temp_s2

p50380g50536__catscan2_s4
p50380g50921__ghel_p_s4
p50380g50921__wma_p_s4
s51156__catscan2_s4
s51187__xtools_tmp_s4
s51362__erwin85_s4
s51892_toolserverdb_p_s4
s51892_toolserverdb_s4
u2815_p_s4
ugwiki_p_s4
ugwikibooks_p_s4
ugwikiquote_p_s4
ugwiktionary_p_s4.

3. We have a backup of all the migrated data. If something goes wrong,
especially for the above list, feel free to request a reload.
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