haiyang1987 opened a new pull request, #5063:
URL: https://github.com/apache/hadoop/pull/5063
In DatanodeAdminManager#activate
```
int blocksPerInterval = conf.getInt(
DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_BLOCKS_PER_INTERVAL_KEY,
DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_BLOCKS_PER_INTERVAL_DEFAULT);
final String deprecatedKey =
"dfs.namenode.decommission.nodes.per.interval";
final String strNodes = conf.get(deprecatedKey);
if (strNodes != null) {
LOG.warn("Deprecated configuration key {} will be ignored.",
deprecatedKey);
LOG.warn("Please update your configuration to use {} instead.",
DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_BLOCKS_PER_INTERVAL_KEY);
}
checkArgument(blocksPerInterval > 0,
"Must set a positive value for "
+ DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_BLOCKS_PER_INTERVAL_KEY);
final int maxConcurrentTrackedNodes = conf.getInt(
DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_MAX_CONCURRENT_TRACKED_NODES,
DFSConfigKeys
.DFS_NAMENODE_DECOMMISSION_MAX_CONCURRENT_TRACKED_NODES_DEFAULT);
checkArgument(maxConcurrentTrackedNodes >= 0, "Cannot set a negative " +
"value for "
+ DFSConfigKeys.DFS_NAMENODE_DECOMMISSION_MAX_CONCURRENT_TRACKED_NODES);
```
there is no need for parameters
dfs.namenode.decommission.blocks.per.interval and
dfs.namenode.decommission.max.concurrent.tracked.nodes to verify.
Because the parameters are processed in DatanodeAdminMonitorBase and
DatanodeAdminDefaultMonitor.
### Description of PR
### How was this patch tested?
### For code changes:
- [ ] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
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