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我从12.2版更新到12.3版
12.2版时,一次可以查1万个timeseries,但换了12.3版后就报
Too many paths in one query! Currently allowed max deduplicated path number is 1000. Please use slimit or adjust max_deduplicated_path_num in iotdb-engine.properties.
把这个配置项给成1万也没用,依然报上述错误,这个配置项的说明是就算把数值改大也不见得有效
allowed max numbers of deduplicated path in one query
it's just an advised value, the real limitation will be the smaller one between this and the one we calculated
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luanshidujun commentedon Nov 26, 2021
我试过,我的服务器上只运行iotdb12.3版,其他程序全部关闭,无论我怎么改max_deduplicated_path_num参数,只要查询是超过1000个timeseries就报错
HTHou commentedon Nov 26, 2021
0.12.3版本有一个已知bug,必须将 chunk_timeseriesmeta_free_memory_proportion=1: 100:200:300:400 这条配置参数解注释,max_deduplicated_path_num 的调整才会生效。可以试试。
另外,0.12.4 版本会在近期快速发布,会包含修复这个bug的commit #4406 。
luanshidujun commentedon Nov 29, 2021
谢谢,我试了,可以的