Error: cannot allocate vector of size XX Gb

Posted 2023-01-24 Data+Science+Insight

Error: cannot allocate vector of size XX Gb

目录

Error: cannot allocate vector of size XX Gb

#问题

#解决

#增大内存

---

#问题

x <- rnorm(4000000000)            
# Trying to run rnorm function
# Error: cannot allocate vector of size 29.8 Gb

#解决

#垃圾回收；
gc() 

#空间依旧不够
x <- rnorm(4000000000)            
# Trying to run rnorm function
# Error: cannot allocate vector of size 29.8 Gb

#增大内存

#查看分配的内存大小
memory.limit()                    
# Check currently set limit 
# [1] 16267



#增大分配的内存
memory.limit(size = 35000)        
# Increase limit
# [1] 35000



x <- rnorm(4000000000)            
# Successfully running rnorm function

参考：R

参考：R Error: Cannot Allocate Vector of Size N GB (2 Examples) | How to Increase the Memory Limit