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From e..@apache.org
Subject svn commit: r1442166 - /accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java
Date Mon, 04 Feb 2013 16:30:44 GMT
Author: ecn
Date: Mon Feb  4 16:30:44 2013
New Revision: 1442166

URL: http://svn.apache.org/viewvc?rev=1442166&view=rev
Log:
ACCUMULO-1033 ignore WALs that contain no definition for the given key extent

Modified:
    accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java

Modified: accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java
URL: http://svn.apache.org/viewvc/accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java?rev=1442166&r1=1442165&r2=1442166&view=diff
==============================================================================
--- accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java
(original)
+++ accumulo/trunk/server/src/main/java/org/apache/accumulo/server/tabletserver/log/SortedLogRecovery.java
Mon Feb  4 16:30:44 2013
@@ -51,7 +51,13 @@ public class SortedLogRecovery {
 
     public EmptyMapFileException() { super(); }
   }
-  
+
+  static class UnusedException extends Exception {
+    private static final long serialVersionUID = 1L;
+
+    public UnusedException() { super(); }
+  }
+
   public SortedLogRecovery() {}
   
   private enum Status {
@@ -98,6 +104,9 @@ public class SortedLogRecovery {
         } catch (EmptyMapFileException ex) {
           log.info("Ignoring empty map file " + logfile);
           tids[i] = -1;
+        } catch (UnusedException ex) {
+          log.info("Ignoring log file " + logfile + " appears to be unused by " + extent);
+          tids[i] = -1;
         }
       } finally {
         try {
@@ -128,7 +137,7 @@ public class SortedLogRecovery {
     }
   }
   
-  int findLastStartToFinish(MultiReader reader, int fileno, KeyExtent extent, Set<String>
tabletFiles, LastStartToFinish lastStartToFinish) throws IOException, EmptyMapFileException
{
+  int findLastStartToFinish(MultiReader reader, int fileno, KeyExtent extent, Set<String>
tabletFiles, LastStartToFinish lastStartToFinish) throws IOException, EmptyMapFileException,
UnusedException {
     // Scan for tableId for this extent (should always be in the log)
     LogFileKey key = new LogFileKey();
     LogFileValue value = new LogFileValue();
@@ -161,7 +170,7 @@ public class SortedLogRecovery {
       }
     }
     if (tid < 0) {
-      throw new RuntimeException("log file contains no tablet definition for key extent "
+ extent);
+      throw new UnusedException();
     }
     
     log.debug("Found tid, seq " + tid + " " + defineKey.seq);



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