Hi,
After upgrading from TokuDB Enterprise with MariaDB 5.5 to MariaDB
10.1.14, I tried to enable the parallel replication
(parallel_mode=optimistic, slave_parallel_threads=4) on a GTID enabled
RFR slave, but it leads to random failures.
(both master & slave are running 10.1.14)
E.g :
Could not execute Update_rows_v1 event on table sc_2.sc_param_index;
Can't find record in 'sc_param_index', Error_code: 1032; handler error
HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.008418,
end_log_pos 217608066
If I issue a start slave (with sql_slave_skip_counter=0) :
Could not execute Update_rows_v1 event on table sc_2.sc_log_cron; Can't
find record in 'sc_log_cron', Error_code: 1032; handler error
HA_ERR_KEY_NOT_FOUND; the event's master log mysql-bin.008418,
end_log_pos 218275984
If I put back slave_parallel_threads to 0, the slave keeps replicating
happily without any issue.
Is this a known limitation with TokuDB ?
Tokudb configuration :
tokudb_rpl_lookup_rows=0
tokudb_rpl_unique_checks=0
tokudb_pk_insert_mode=2
tokudb_directio = 1
Thanks and regards,
Jocelyn Fournier
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