Changes between Version 2 and Version 3 of jazz/10-07-28
- Timestamp:
- Jul 30, 2010, 12:40:27 PM (14 years ago)
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jazz/10-07-28
v2 v3 4 4 * [原因] 小檔案太多,記憶體 HEAP Size 不足,已經使用到 100%,導致系統緩慢。 5 5 * [[Image(wiki:jazz/10-07-28:10-07-28_Hadoop_Out_of_HEAP_1.png)]] 6 * [[Image(wiki:jazz/10-07-28:10-07-28_Hadoop_Out_of_HEAP_3. png)]]6 * [[Image(wiki:jazz/10-07-28:10-07-28_Hadoop_Out_of_HEAP_3.PNG)]] 7 7 * [解法] 修改 /etc/hadoop/conf/hadoop-env.sh 中的 HADOOP_HEAPSIZE : 從 2048 一直加到 4096 才穩定!! 8 8 {{{