3 ms·
Sentinel smears the SPOF out into a redundant (but still memory-backed) system. Backups mitigate the risk of data loss further. AOF can also be used but may can
by zbentley 6y ago
Sentinel smears the SPOF out into a redundant (but still memory-backed) system. Backups mitigate the risk of data loss further. AOF can also be used but may cancel out the performance gains.
...and none of those change the fundamental durability/performance tradeoff of the system, nor do they replace a proper scaling strategy for an RDBMS.