The controller then sends a series of DQS pulses. Since the DRAM is in write-leveling mode, it samples the value of CK using DQS and returns this sampled value (either a 1 or 0), back to the controller, through the DQ bus.
Notification table bloat: Without a unique constraint on (did, recordUri, reason), the notification table grows unbounded with duplicates. Ours reached 1.3 billion rows (663 GB) before we caught it. Adding ON CONFLICT DO NOTHING to INSERTs only helps if the unique index exists first, and creating the index requires deduplication of the existing data.，这一点在PDF资料中也有详细论述
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豆包手机走到今天，面对的已经不只是应用生态的阻力，还有手机厂商用系统级权限构筑起来的新壁垒。但字节的处境，也并非外界看起来那样被动。它在B端的MCP布局、飞书积累的协议化经验、以及独家内容技术生态，都是手机厂商无法复制的资产。问题在于，如何把这些资产转化成应用厂商愿意合作、硬件厂商无法忽视的实际筹码。。业内人士推荐新收录的资料作为进阶阅读