GBase 8c
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FAQ : ERROR: memory is temporarily unavailable
GBase社区管理员发表于2023-04-27 13:10:3596次浏览0个评论
使用时显示此类错误信息:"ERROR: memory is temporarily unavailable
Detail: Failed on request of size 2104 bytes under queryid 72620543991352627 in tupdesc.cpp:71. Call getNextException to see other errors in the batch."
错误原因:并发高的时候,由于max_process_memory参数设置太小,而导致DN内存不够用
解决方法:调整CN、DN参数max_process_memory,最大可设置为机器内存的80%。例如:
gs_guc reload -N all -I all -Z coordinator -c "max_process_memory = 48GB"
gs_guc reload -N all -I all -Z datanode -c "max_process_memory = 48GB"
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