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分区越大，插入速度越慢 #280

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Wangs121 opened this issue Mar 13, 2024 · 2 comments
Open

分区越大，插入速度越慢 #280

Wangs121 opened this issue Mar 13, 2024 · 2 comments

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@Wangs121
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使用记录bootcount的例子，norflash使用W25Q128JV，
主函数移植读取、写入。
读取基本不占事件。写入速度随分区大小变大越来越慢
如果fal的扇区大小设为8K，写一次大概需要2ms，
设置64KB，写一次大概需要10ms
设置4M，写一次大概需要500ms
修改FDB_KV_CACHE_TABLE_SIZE也只能提升前几次的写入速度
@armink
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armink commented Mar 15, 2024

这是正常的，可以通过增加多个分区，相当于 分表 的模式来提升性能

@yuehunliren
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这是正常的，可以通过增加多个分区，相当于 分表 的模式来提升性能

那数据库对象 fdb_kvdb也需要分多个出来嘛， 我分了10个区，那也要相应的分10个对象吗

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@armink @Wangs121 @yuehunliren