Saved Bookmarks
| 1. |
What Is The Difference Between Gen1 And Gen2 Hadoop With Regards To The Namenode? |
|
Answer» In Gen 1 Hadoop, Namenode is the single POINT of failure. In Gen 2 Hadoop, we have what is KNOWN as Active and PASSIVE Namenodes KIND of a structure. If the active Namenode fails, passive Namenode takes over the charge. In Gen 1 Hadoop, Namenode is the single point of failure. In Gen 2 Hadoop, we have what is known as Active and Passive Namenodes kind of a structure. If the active Namenode fails, passive Namenode takes over the charge. |
|