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Compatibility Between Features

Compatibility Between System Collaborative Optimization and Other Features

**Table 1** Compatibility between system collaborative optimization and other features
Feature	Compatibility Notes
NVMe SSD atomic write	Hardware optimization, with no compatibility issues involved.
Kunpeng GCC CFGO	Compatible with other features.
Network multipathing	Incompatible with the Gazelle network optimization feature.
Domain-based scheduling	Incompatible with the Gazelle network optimization feature.
Gazelle network optimization	Incompatible with the network multipathing, domain-based scheduling, and HiSock features.
HiSock	Incompatible with the Gazelle network optimization feature.

Compatibility Between MySQL Features

**Table 2** Compatibility between MySQL features
Feature	Compatibility Notes
CRC32 instruction optimization	Compatible with other features.
MySQL NUMA scheduling tuning	Incompatible with the parallel query tuning and pluggable online vectorized analysis engine features. If this feature is used together with undo_spaces_lock, this feature must be applied first.
SIMD-based character set processing optimization	Compatible with other features.
Record matching optimization	Compatible with other features.
Unaligned memory access optimization	Compatible with other features.
LSE optimization	Compatible with other features.
rec_get_offsets optimization	Compatible with other features.
KAEzip compression and decompression optimization	Compatible with other features.
MySQL KAEZstd page compression and decompression optimization	Compatible with other features.
MySQL plan cache optimization	Compatible with other features.
Binlog pre-allocation	Compatible with other features.
Binlog lock splitting	Compatible with other features.
Binlog writeset_history optimization	Compatible with other features.
MySQL 8.0.20 fine-grained lock tuning	Compatible with other features. This feature is a prerequisite for the lock-free tuning feature and therefore must be applied before it.
MySQL lock-free tuning	Compatible with other features. This feature depends on the fine-grained lock tuning feature and must be applied after it.
MySQL 5.7.44 fine-grained lock tuning	Compatible with other features. This feature has sequential dependencies with the MySQL table lock queue check optimization and MySQL ReadView version tracking features. The corresponding patches must therefore be applied in the order specified in the feature guides.
MySQL table lock queue check optimization	Compatible with other features. This feature has sequential dependencies with the MySQL 5.7.44 fine-grained lock tuning and MySQL ReadView version tracking features. The corresponding patches must therefore be applied in the order specified in the feature guides.
MySQL ReadView version tracking	Compatible with other features. This feature has sequential dependencies with the MySQL 5.7.44 fine-grained lock tuning and MySQL table lock queue check optimization features. The corresponding patches must therefore be applied in the order specified in the feature guides.
MySQL pluggable thread pool	Compatible with other features.

Compatibility Between Redis Features

**Table 3** Compatibility between Redis features
Feature	Compatibility Notes
Redis network asynchronization	Compatible with other features.
Redis 7.0.15 floating-point type acceleration	Compatible with other features.
Redis jemalloc memory library acceleration	Compatible with other features.
Redis domain-based scheduling	Compatible with other features.
Redis sockmap optimization	Compatible with other features.

Compatibility Between RocksDB Features

**Table 4** Compatibility between RocksDB features
Feature	Compatibility Notes
GCC feedback-directed compilation optimization	Compatible with other features.
CRC32 instruction optimization	Compatible with other features.
Filter optimization	Compatible with other features.
64 KB page-based optimization	Compatible with other features.
Bloom filter optimization	Compatible with other features.
Prefetch optimization	Compatible with other features.
HashSearch optimization	Compatible with other features.
Dynamic level capacity optimization	Compatible with other features.