用规范技术架构》《分布式数据库技术金融应用规范安全 技术要求》《分布式数据库技术金融应用规范灾难恢复要求》 。 ”主导联合技术课题《分布式数据库运维体系研究》《分布式数据库入云及多租户研究》 1.5 荣誉 TiDB 产品荣誉 。 2017 年度产品创新奖 。 2017 年度中国信通院 0SCAR 尖峰开源技术奖 。 2018InfoWorld | Bossie Awards 最佳数据库与数据分析平台奖 TiDB Binlog 实现从TiDB 向 MySQL 的反向同步TiDB 4.0配备 Tiflash 列存副本, 为多点DMall 实时 OLAP 业务提供了强劲的性能支撑。通过线上业务实测, 一 个1.5亿行大表的聚合查询, 通过执行计划, 整个 SQL 走到 Tiflash 之后, 能够在 8 秒左右就得到响应。 业务&财务系统 二， 1) 则务地&作证好 | 核心业务读写

download speed improving by 8 to 10 times, and �→ the end-to-end restore speed improving by approximately 1.5 to 3 �→ times. time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds Note: If you frequently is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. Before you deploy TiFlash, note the following items: • TiFlash

time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 605 Note: If you is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. • If you deploy TiKV on a cloud provider, such as AWS, Google Cloud speed per TiKV node stabilizes at 1.2 GiB/s, the end-to-end restore speed is improved by approximately 1.5 to 3 times, and 100 TiB of data can be restored within one hour. • Starting from BR v8.2.0, the command

time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 600 Note: If you is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. • If you deploy TiKV on a cloud provider, such as AWS, Google Cloud speed per TiKV node stabilizes at 1.2 GiB/s, the end-to-end restore speed is improved by approximately 1.5 to 3 times, and 100 TiB of data can be restored within one hour. • Starting from BR v8.2.0, the command

download speed improving by 8 to 10 times, and �→ the end-to-end restore speed improving by approximately 1.5 to 3 �→ times. 37 time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 516 Note: If you is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. • If you deploy TiKV on a cloud provider, such as AWS, Google Cloud

download speed improving by 8 to 10 times, and �→ the end-to-end restore speed improving by approximately 1.5 to 3 �→ times. Enhance the stability of caching the schema information when there is a �→ time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds Note: If you frequently is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. Before you deploy TiFlash, note the following items: • TiFlash

time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 516 Note: If you is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. • If you deploy TiKV on a cloud provider, such as AWS, Google Cloud speed per TiKV node stabilizes at 1.2 GiB/s, the end-to-end restore speed is improved by approximately 1.5 to 3 times, and 100 TiB of data can be restored within one hour. • Starting from BR v8.2.0, the command

time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 519 Note: If you is recommended to keep the size of TiKV hard disk within 4 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. • If you deploy TiKV on a cloud provider, such as AWS, Google Cloud speed per TiKV node stabilizes at 1.2 GiB/s, the end-to-end restore speed is improved by approximately 1.5 to 3 times, and 100 TiB of data can be restored within one hour. • Starting from BR v8.2.0, the command

time, # and exponentially increase the wait time for each transaction �→ failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds Note: If you frequently retry_on_exception(view, num_retries=3, on_failure=HttpResponse( �→ status=500), delay_=0.5, backoff_=1.5): @wraps(view) def retry(*args, **kwargs): delay = delay_ for i in range(num_retries): try: return is recommended to keep the size of TiKV hard disk within 2 TB if you are using PCIe SSDs or within 1.5 TB if you are using regular SSDs. Before you deploy TiFlash, note the following items: • TiFlash

集群中的所有节点都能参与到数据恢复的准备阶段，从而显著提升大规模集群中大数据集的恢复速度 �→ 。实际测试表明，该功能可将下载带宽打满，下载速度可提升 8 到 10 倍，端到端恢复速度大约提升 �→ 1.5 到 3 倍。 33 建表性能提升 of time, # and exponentially increase the wait time for each transaction failure sleep_ms = int(((1.5 ** n) + rand) * 100) sleep(sleep_ms) # make sure your sleep() takes milliseconds 389 注意： 如果你经常遇到 TiDB、TiKV 和 TiFlash 配置至少 8 核的 CPU。强烈推荐使用更 高的配置，以获得更好的性能。 • TiKV 硬盘大小配置建议 PCIe SSD 不超过 4 TB，普通 SSD 不超过 1.5 TB。 • TiFlash 支持多盘部署。 • TiFlash 数据目录的第一块磁盘推荐用高性能 SSD 来缓冲 TiKV 同步数据的实时写入，该盘 性能应不低于 TiKV 所使用的磁盘，比如