我正在使用 RJDBC 包和 dbGetQuery 函数来获取 SQL 查询的输出。该代码适用于行数不多的 SQL 语句,但哪些语句的行 > 1.000.000 出现错误。是否有处理内存的参数?
dbGetQuery(conn,"SQL..")
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然后我收到以下错误消息:
.jcall(rp, "I", "fetch", stride, block) 中的错误:
java.lang.OutOfMemoryError:超出 GC 开销限制
谢谢!R007
我安装了新的"Microsoft R Open 3.4.0"但我看不到Microsoft R Package,例如RevoScaleR.在这里您可以看到以下错误消息.你可以看到sessionInfo,结果是在线加载了Base-R软件包.
R version 3.4.0 (2017-04-21) -- "You Stupid Darkness"
Copyright (C) 2017 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for …Run Code Online (Sandbox Code Playgroud) 我对.xdf文件有一些疑问:
我真的很期待你的回答.
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