| Version 4 (modified by jazz, 14 years ago) (diff) |
|---|
2010-07-28
Hadoop
- [服務] hadoop.nchc.org.tw HDFS 連線緩慢狀況處理
- [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。
- [解法] 修改 /etc/hadoop/conf/hadoop-env.sh 中的 HADOOP_HEAPSIZE : 從 2048 一直加到 4096 才穩定!!
# The maximum amount of heap to use, in MB. Default is 1000. export HADOOP_HEAPSIZE=4096
Attachments (7)
- 10-07-28_Hadoop_Out_of_HEAP.png (33.2 KB) - added by jazz 14 years ago.
- 10-07-28_Hadoop_Out_of_HEAP_1.png (5.2 KB) - added by jazz 14 years ago.
- 10-07-28_Hadoop_Out_of_HEAP_2.jpg (557.8 KB) - added by jazz 14 years ago.
- 10-07-28_Hadoop_Out_of_HEAP_3.PNG (56.6 KB) - added by jazz 14 years ago.
- 10-07-28_HBase_Spreadsheet_Concept.jpg (182.1 KB) - added by jazz 14 years ago.
- 10-07-28_HBase_Tag_Concept.jpg (49.6 KB) - added by jazz 14 years ago.
- hbase_nosql.pdf (336.1 KB) - added by jazz 14 years ago.
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