Drupal 8, shared host, MySQL 5.6 and innodblog_file_size error

Hello,

I have just installed a Drupal 8 website on a shared host.

Everything went fine and is working fine, but when I try to activate a new module, I get this error : The size of BLOB/TEXT data inserted in one transaction is greater than 10% of redo log size. Increase the redo log size using innodblog_file_size.
Complete error is more like : DrupalCoreDatabaseDatabaseExceptionWrapper: SQLSTATE[42000]: Syntax error or access violation: 1118 The size of BLOB/TEXT data inserted in one transaction is greater than 10% of redo log size. Increase the redo log size using innodb_log_file_size.: INSERT INTO {watchdog} (uid, type, message, variables, severity, link, location, referer, hostname, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6, :db_insert_placeholder_7, :db_insert_placeholder_8, :db_insert_placeholder_9); Array ( [:db_insert_placeholder_0] => 1 [:db_insert_placeholder_1] => php [:db_insert_placeholder_2] => %type: @message in %function (line %line of %file). [:db_insert_placeholder_3] => a:6:{s:5:”%type”;s:45:”DrupalCoreDatabaseDatabaseExceptionWrapper”;s:8:”@message”;s:1344878:”SQLSTATE[42000]: Syntax error or access violation: 1118 The size of BLOB/TEXT data inserted in one transaction is greater than 10% of redo log size. Increase the redo log size using innodb_log_file_size.: INSERT INTO {batch} (bid, timestamp, token, batch) VALUES [and a lot more text]

After some research, it seems that MySQL 5.6 introduced a redo log BLOB write limit (https://stackoverflow.com/questions/25277452/how-to-configure-mysql-5-6-…) who generate the error.
I could just in fact increase the inno_db_log_file_size, but I can’t on a shared host. And its making the website completely unusable.

I have other Drupal 8 website running perfectly on the same hosting service but with MySQL 5.5.
I have asked to revert the database to that version and waiting for a reply.
But surely, somethning can be done on the Drupal side ?

Thanks for your help !

Drupal version: 


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