xicm commented on a change in pull request #3634:
URL: https://github.com/apache/hadoop/pull/3634#discussion_r751066665
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/Quota.java
##########
@@ -50,7 +50,7 @@ public static Counts newInstance() {
* The quota is violated if quota is set and usage > quota.
*/
public static boolean isViolated(final long quota, final long usage) {
- return quota >= 0 && usage > quota;
+ return quota >= 0 && usage >= quota;
Review comment:
Sorry for taking so long to update, I checked the code, router checks
quota at getLocationsForPath, it is difficult to get a delta. Here is the
trace based on 3.3.0
```
org.apache.hadoop.hdfs.protocol.NSQuotaExceededException: The NameSpace
quota (directories and files) is exceeded: quota=3 file count=4
at
org.apache.hadoop.hdfs.server.federation.router.RouterQuotaUsage.verifyNamespaceQuota(RouterQuotaUsage.java:100)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getLocationsForPath(RouterRpcServer.java:1535)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getLocationsForPath(RouterRpcServer.java:1475)
at
org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.create(RouterClientProtocol.java:286)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.create(RouterRpcServer.java:611)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:494)
at
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at
org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:532)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1020)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:948)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1845)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2952)
```
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