increasing the write batch size when performing GC to Raft logs #11404 – Update the proc filesystem (procfs) to v0.12.0 #11702 • PD – Optimize the content format of the DR_STATE file #4341 • Tools – TiCDC the number of the Regions that require the Resolve Locks step #11993 – Update the proc filesystem (procfs) to v0.12.0 #11702 – Speed up the Garbage Collection (GC) process by increasing the write batch size of tracking memory usage when IndexJoin is executed #28650 • TiKV – Update the proc filesystem (procfs) to v0.12.0 #11702 – Improve the error log report in the Raft client #11959 – Increase the speed

CounterThe size of data read from the disk during initial scan. In Linux, this information is from procfs, which is the size of data actually read from the block device. The configuration item initial-scan-rate-limit when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC

when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC the number of the Regions that require the Resolve Locks step #11993 • Update the proc filesystem (procfs) to v0.12.0 #11702 • Speed up the Garbage Collection (GC) process by increasing the write batch size

CounterThe size of data read from the disk during initial scan. In Linux, this information is from procfs, which is the size of data actually read from the block device. The configuration item initial-scan-rate-limit when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC

CounterThe size of data read from the disk during initial scan. In Linux, this information is from procfs, which is the size of data actually read from the block device. The configuration item initial-scan-rate-limit when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC

CounterThe size of data read from the disk during initial scan. In Linux, this information is from procfs, which is the size of data actually read from the block device. The configuration item initial-scan-rate-limit when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC

increasing the write batch size when performing GC to Raft logs #11404 – Update the proc filesystem (procfs) to v0.12.0 #11702 • PD – Optimize the content format of the DR_STATE file #4341 • Tools – TiCDC the number of the Regions that require the Resolve Locks step #11993 – Update the proc filesystem (procfs) to v0.12.0 #11702 – Speed up the Garbage Collection (GC) process by increasing the write batch size of tracking memory usage when IndexJoin is executed #28650 • TiKV – Update the proc filesystem (procfs) to v0.12.0 #11702 – Improve the error log report in the Raft client #11959 – Increase the speed

恢复时间 #11993 – 通过增加对 Raft log 进行垃圾回收 (GC) 时的 write batch 大小来加快 GC 速度 #11404 – 将 proc filesystem (procfs) 升级至 0.12.0 版本 #11702 • PD – 优化 DR_STATE 文件内容的格式 #4341 • Tools – TiCDC 2084 * 暴露 Kafka producer 减少延迟抖动 #12111 – 通过减少需要进行清理锁 (Resolve Locks) 步骤的 Region 数量来减少 TiCDC 恢复时间 #11993 – 将 proc filesystem (procfs) 升级至 0.12.0 版本 #11702 – 通过增加对 Raft log 进行垃圾回收 (GC) 时的 write batch 大小来加快 GC 速度 #11404 – 将插入 SST 类型分区表中对 IN 表达式进行分区裁剪 #26739 – 提高在 IndexJoin 执行过程中追踪内存占用的准确度 #28650 • TiKV – 将 proc filesystem (procfs) 升级至 0.12.0 版本 #11702 – 优化 Raft client 错误日志的收集 #11959 – 将插入 SST 文件时的校验操作从 Apply 线程池移动到 Import 线程池，从而提高

Region 级别。 tikv_log_backup_initial_scan_disk_readCounter 增量扫期间，从硬盘读取的数据量的大小。在 Linux 系统下，这个信 息来自于 procfs，是实际从 block device 读取的数据量的大小；配置项 initial-scan-rate-limit 也是施加于这个数值上。 tikv_log_backup_incremental_scan_bytes @Connor1996 – 修复启用 Raft Engine 后特殊情况下 TiKV 会 panic 的问题 #12698 @tabokie – 修复无法找到 proc filesystem (procfs) 时警告级别日志过多的问题 #13116 @tabokie – 修复 Dashboard 中 Unified Read Pool CPU 表达式错误的问题 #13086 @glorv – 修复 #11993 – 通过增加对 Raft log 进行垃圾回收 (GC) 时的 write batch 大小来加快 GC 速度 #11404 4077 – 将 proc filesystem (procfs) 升级至 0.12.0 版本 #11702 • PD – 优化 DR_STATE 文件内容的格式 #4341 • Tools – TiCDC * 暴露 Kafka producer 配置参数，使之在

Counter The size of data read from the disk during initial scan. In Linux, this information is from procfs, which is the size of data actually read from the block device. The configuration item initial-scan-rate-limit when Raft Engine is enabled #12698 @tabokie • Avoid redundant log warnings when proc filesystem (procfs) cannot be found #13116 @tabokie • Fix the wrong expression of Unified Read Pool CPU in dashboard increasing the write batch size when performing GC to Raft logs #11404 • Update the proc filesystem (procfs) to v0.12.0 #11702 • PD • Optimize the content format of the DR_STATE file #4341 • Tools • TiCDC