Apache
/
hadoop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HDFS-2209 datanode connection failure logging 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1180354 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steve Loughran 2011-10-08 10:42:02 +00:00
parent f74e8b2219
commit 9993ecab87
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
View File

@ -388,6 +388,8 @@ public class DFSInputStream extends FSInputStream {
DatanodeInfo chosenNode = null; DatanodeInfo chosenNode = null;
int refetchToken = 1; // only need to get a new access token once int refetchToken = 1; // only need to get a new access token once
boolean connectFailedOnce = false;
while (true) { while (true) {
// //
// Compute desired block // Compute desired block
@ -409,6 +411,10 @@ public class DFSInputStream extends FSInputStream {
accessToken, accessToken,
offsetIntoBlock, blk.getNumBytes() - offsetIntoBlock, offsetIntoBlock, blk.getNumBytes() - offsetIntoBlock,
buffersize, verifyChecksum, dfsClient.clientName); buffersize, verifyChecksum, dfsClient.clientName);
if(connectFailedOnce) {
DFSClient.LOG.info("Successfully connected to " + targetAddr +
" for block " + blk.getBlockId());
}
return chosenNode; return chosenNode;
} catch (IOException ex) { } catch (IOException ex) {
if (ex instanceof InvalidBlockTokenException && refetchToken > 0) { if (ex instanceof InvalidBlockTokenException && refetchToken > 0) {
@ -428,11 +434,9 @@ public class DFSInputStream extends FSInputStream {
refetchToken--; refetchToken--;
fetchBlockAt(target); fetchBlockAt(target);
} else { } else {
DFSClient.LOG.warn("Failed to connect to " + targetAddr connectFailedOnce = true;
+ ", add to deadNodes and continue " + ex); DFSClient.LOG.warn("Failed to connect to " + targetAddr + " for block"
if (DFSClient.LOG.isDebugEnabled()) { + ", add to deadNodes and continue. " + ex, ex);
DFSClient.LOG.debug("Connection failure ", ex);
}
// Put chosen node into dead list, continue // Put chosen node into dead list, continue
addToDeadNodes(chosenNode); addToDeadNodes(chosenNode);
} }