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NOTE: To optimize the performance of a Trafodion system, we recommend that you enable HBase balancing during a maintenance window. For recommendations, see Maintenance Window.
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| HadoopDistroConfig |
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| HadoopDistroConfig |
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Hadoop Distribution Configuration and Fine Tuning
It is recommended that you modify these HDFS heap size settings as described below.
| HDFS Property | Recommended Setting | Notes |
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| DataNode Java Heap Size | 2 GiB | Use this setting for a large configuration. |
| NameNode Java Heap Size | 2 GiB | Use this setting for a large configuration. |
| Secondary NameNode Java Heap Size | 2 GiB | Use this setting for a large configuration. |
Trafodion Configuration and Fine Tuning
Connectivity
In the Trafodion software, the heap size for Database Connectivity Services (DCS) is set by default to 2GB. However, in our testing we found that limiting the DcsMaster to 64MB of heap size resulted in better throughput.
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