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怎么查看一个表总共占用了多少磁盘空间

在DolphinDB中,怎么查看一个分布式表占用了多少磁盘空间?


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可以用下面脚本查看占用空间,库表名请根据实际情况修改,返回结果的单位是byte。

select sum(diskUsage) from pnodeRun(getTabletsMeta{chunkPath="/dbName/%", tableName="tablename", diskUsage=true,top=0})

比如对数据库dfs://STOCK_L2_TAQ下的TAQ表,可以这样查看:

select sum(diskUsage) from pnodeRun(getTabletsMeta{chunkPath="/STOCK_L2_TAQ/%", tableName="TAQ", diskUsage=true,top=0})

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