其他特性-本地缓存 支持本地缓存元素过期（TTL） 支持本地缓存预加载 支持多种本地缓存驱逐策略 （LRU，LFU，Weak，Soft， None） 支持本地缓存掉线脏读 支持本地缓存最大容量设定 ’ alt=‘OCR图片’/> 其他特性-Redis缓存 支持单集合最大容量设定 支持元素为粒度过期（TTL） 性能-本地缓存 吞吐量：每秒百万/千万级响应时间：微妙级

8.8: icmp_seq=1 ttl=61 time=80.4 ms64 bytes from 8.8.8.8: icmp_seq=3 ttl=61 time=125 ms64 bytes from 8.8.8.8: icmp_seq=4 ttl=61 time=85.6 msttl=61 time=90.7 ms64 bytes from 8.8.8.8: icmp_seq=6 ttl=61 time=177 ms64 bytes from 8.8.8.8: icmp_seq=7 ttl=61 time=108 msttl=61 time=184 ms64 bytes from 8.8.8.8: icmp_seq=9 ttl=61 time=232 ms64 bytes from 8.8.8.8: icmp_seq=10 ttl=61 time=167 ms

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4.6.2 Update Data ··· 375 4.6.3 Delete Data ··· 385 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) ··· 394 4.6.5 Prepared Statements ··· 410 4.7 Read Data ··· 416 4.7.1 Query Data 17.12.2 Store ... 5716 17.13 T ... 5716 17.13.1 Top SQL ... 5716 17.13.2 TSO ... 5716 17.13.3 TTL ... 5716  ## 1 Docs ```html 0 码力 | 5716 页 | 104.74 MB | 2 年前

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4.6.2 Update Data ··· 383 4.6.3 Delete Data ··· 393 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) ··· 402 4.6.5 Prepared Statements ··· 419 4.7 Read Data ··· 424 4.7.1 Query Data 17.12.2 Store ··· 6327 17.13 T ··· 6327 17.13.1 Top SQL ··· 6327 17.13.2 TSO ··· 6327 17.13.3 TTL ··· 6327  ## 1 Docs queries when the number in the LIMIT clause is too large #51188 @Defined2014 - Fix the issue that the TTL feature causes data hotspots due to incorrect data range splitting in some cases #51527 @lcwangchao

4.6.2 Update Data ··· 368 4.6.3 Delete Data ··· 378 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) ··· 387 4.6.5 Prepared Statements ··· 403 4.7 Read Data ··· 409 4.7.1 Query Data 6123 17.12.2 Store... 6123 17.13 T... 6123 17.13.1 Top SQL... 6123 17.13.2 TSO... 6123 17.13.3 TTL... 6123  ## 1 Docs Periodically Delete Expired Data Using TTL (Time to Live) Time to live (TTL) is a feature that allows you to manage TiDB data lifetime at the row level. For a table with the TTL attribute, TiDB automatically checks

Data 348 4.6.2 Update Data 355 4.6.3 Delete Data 365 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) 374 4.6.5 Prepared Statements 390 4.7 Read Data 396 4.7.1 Query Data from a Single 6c8741462ba102/bc63ab2c.png) 17.13 T...6020 17.13.1 Top SQL...6020 17.13.2 TSO...6020 17.13.3 TTL...6020  ## 1 Docs Periodically Delete Expired Data Using TTL (Time to Live) Time to live (TTL) is a feature that allows you to manage TiDB data lifetime at the row level. For a table with the TTL attribute, TiDB automatically checks

4.6.2 Update Data ··· 360 4.6.3 Delete Data ··· 371 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) ··· 379 4.6.5 Prepared Statements ··· 396 4.7 Read Data ··· 401 4.7.1 Query Data |Views|Y|Y|Y|Y|Y|Y|Y|Y| |Sequences|Y|Y|Y|Y|Y|Y|Y|Y| |Auto increment|Y|Y|Y|Y|Y4|Y|Y|Y| |Auto random|Y|Y|Y|Y|Y|Y|Y|Y| |TTL(Time to Live)|Y|Y|Y|Y|E|N|N|N| |DDL algorithm assertions|Y|Y|Y|Y|Y|Y|Y|Y| |Multi-schema change:add Periodically Delete Expired Data Using TTL (Time to Live) Time to live (TTL) is a feature that allows you to manage TiDB data lifetime at the row level. For a table with the TTL attribute, TiDB automatically checks

Data 347 4.6.2 Update Data 354 4.6.3 Delete Data 364 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) 373 4.6.5 Prepared Statements 390 4.7 Read Data 395 4.7.1 Query Data from a Single scheduler 6321 17.12.2 Store 6321 17.13 T 6321 17.13.1 Top SQL 6321 17.13.2 TSO 6321 17.13.3 TTL 6321  ## 1 Docs Home partition pruning mode (tidb_partition_prune_mode='static') #52282 @tangenta - Fix the issue that TTL is deviated by 1 hour in daylight saving time #51675 @lcwangchao - Fix the incorrect calculation and

4.6.2 Update Data ··· 360 4.6.3 Delete Data ··· 371 4.6.4 Periodically Delete Expired Data Using TTL (Time to Live) ··· 379 4.6.5 Prepared Statements ··· 396 4.7 Read Data ··· 401 4.7.1 Query Data partition pruning mode (tidb_partition_prune_mode='static') #52282 @tangenta - Fix the issue that TTL is deviated by 1 hour in daylight saving time #51675 @lcwangchao - Fix the incorrect calculation and binary versions might cause PD panic #7978 @JmPotato - Fix the type conversion error that occurs when TTL parameters are parsed #7980 @HuSharp - Fix the issue that the Leader fails to transfer when you switch

创建二级索引 ··· 243 4.6 数据写入 ··· 246 4.6.1 插入数据 ··· 246 4.6.2 更新数据 ··· 252 4.6.3 删除数据 ··· 261 4.6.4 使用 TTL (Time to Live) 定期删除过期数据 ··· 269 4.6.5 预处理语句 ··· 282 4.7 数据读取 ··· 286 4.7.1 单表查询 ··· 286 4.7.2 多表连接查询 17.12.2 Store ··· 4807 17.13 T ··· 4807 17.13.1 Top SQL ··· 4807 17.13.2 TSO ··· 4807 17.13.3 TTL ··· 4807  ## 1 文档中心 static 的情况下 (tidb_partition_prune_mode='static')，使用 TABLESAMPLE 返回错误结果的问题 #52282 @tangenta - 修复TTL在夏令时情况下出现1小时偏差的错误 #51675 @lcwangchao - 修复 TiDB Dashboard 监控页面中连接数 (Connection Count) 的计算和显示错误 #51889