Coba atur nilai:
innodb_flush_log_at_trx_commit=2
innodb_flush_method=O_DIRECT (for non-windows machine)
innodb_buffer_pool_size=25GB (currently it is close to 21GB)
innodb_doublewrite=0
innodb_support_xa=0
innodb_thread_concurrency=0...1000 (try different values, beginning with 200)
Referensi:
dokumen MySQL untuk deskripsi variabel yang berbeda.
Penyetelan Pengaturan Server MySQL
Dasar-dasar Pengoptimalan Kinerja MySQL
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