Two and a half millennia ago, Thucydides recorded the Athenian empire at its most confident in his “History of the Peloponnesian War”: “The strong do what they can and the weak suffer what they must.” Athens then destroyed Melos and launched the Sicily Expedition with overwhelming force and no coherent theory of governance for what came next.
However, a database is destined to fail if it cannot reclaim dead tuples faster than its workload creates them. A well-tuned and provisioned Postgres cluster can handle job queue throughput of tens of thousands of jobs per second. So what causes table bloat?，更多细节参见钉钉下载
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只需在恢复系统中通过bputil创建新启动策略即可。可选择完全安全模式（--full-security）或其他组合（如--disable-boot-args-restriction）。在恢复系统中执行并重启后，原始内核即可生效。
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