Disastrous_Award_789
restrictions on what a signal handler can do: it can't assume that any，详情可参考有道翻译
Keep reading for $1What’s included。关于这个话题，谷歌提供了深入分析
We often see users needing to schedule merges as a result of duplicate data. Typically we suggest users address this issue upstream and deduplicate prior to insertion into ClickHouse. If this is not possible, users have a number of options: deduplicate at query time or utilize a ReplacingMergeTree.