Category Archives: replication

Multithreaded Replication to the Rescue

Recently, I set up several new database pairs for our backend search team to use. After bringing them online, the search team began backfilling data by writing to the A-side. A bit later, I noticed that replication had started falling behind, maxing out at ~1000 inserts/second.

mysql_slavelag_1mysql_insert_sec_1

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