| Version 2 (modified by jazz, 15 years ago) (diff) |
|---|
2009-09-02
- hadoop.nchc.org.tw 系統維護
- 近期仍常有 Kernel Panic 問題，懷疑主因是記憶體空間不足。
- [追蹤一] HADOOP_HEAPSIZE 曾改為 1500MB 現下修至 1024MB - 實體記憶體只有 2GB，系統本身就會吃掉 1.5GB，若再額外執行 Map/Reduce? 程式，使用 HEAP 1.5GB 就高達 3GB。縱使 SWAP 開 2GB，或許還是無濟於事。
export HADOOP_HEAPSIZE=1024
- 在電腦教室測試多核心的 restore - 測 20090831-karmic 那個版本
Attachments (4)
- hadoop_kernel_panic.png (224.6 KB) - added by jazz 15 years ago.
- mem_usage_of_hadoop_cluster.png (23.9 KB) - added by jazz 15 years ago.
- hadoop_task_mem_usage.png (212.7 KB) - added by jazz 15 years ago.
- hadoop_mem_usages.xls (16.0 KB) - added by jazz 15 years ago.
Download all attachments as: .zip
