Package org.apache.accumulo.cloudtrace.instrument

Examples of org.apache.accumulo.cloudtrace.instrument.Span.stop()

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        log.info("Beginning garbage collection of write-ahead logs");
        GarbageCollectWriteAheadLogs.collect(fs, status);
      } catch (Exception e) {
        log.error(e, e);
      }
      waLogs.stop();
      gcSpan.stop();
     
      // we just made a lot of changes to the !METADATA table: flush them out
      try {
        AuthInfo creds = SecurityConstants.getSystemCredentials();
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          @Override
          public int compare(Pair<LogFileKey,LogFileValue> o1, Pair<LogFileKey,LogFileValue> o2) {
            return o1.getFirst().compareTo(o2.getFirst());
          }
        });
        span.stop();
        span = Trace.start("Logger write");
        span.data("logfile", dest.getName());
        MapFile.Writer writer = new MapFile.Writer(fs.getConf(), fs, path, LogFileKey.class, LogFileValue.class);
        short replication = (short) acuConf.getCount(Property.LOGGER_RECOVERY_FILE_REPLICATION);
        fs.setReplication(new Path(path + "/" + MapFile.DATA_FILE_NAME), replication);
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        try {
          for (Pair<LogFileKey,LogFileValue> entry : kv)
            writer.append(entry.getFirst(), entry.getSecond());
        } finally {
          writer.close();
          span.stop();
        }
      }

      private void copyLog(final String localLog, final String fullyQualifiedFileName) throws IOException {
        Path dest = new Path(fullyQualifiedFileName + ".copy");
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          for (Entry<Key,Value> entry : scanner) {
            validate(entry.getKey(), entry.getValue());
            values.add(entry.getValue());
          }
        } finally {
          span.stop();
        }
        long t2 = System.currentTimeMillis();
       
        System.out.printf("SRQ %d %s %d %d\n", t1, row, (t2 - t1), values.size());
       
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      int count = scanServers(fileToServerMap);
      long fileScanStop = System.currentTimeMillis();
      log.info(String.format("Fetched %d files from %d servers in %.2f seconds", fileToServerMap.size(), count,
          (fileScanStop - status.currentLog.started) / 1000.));
      status.currentLog.candidates = fileToServerMap.size();
      span.stop();
     
      span = Trace.start("removeMetadataEntries");
      try {
        count = removeMetadataEntries(fileToServerMap, status);
      } catch (Exception ex) {
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        count = removeMetadataEntries(fileToServerMap, status);
      } catch (Exception ex) {
        log.error("Unable to scan metadata table", ex);
        return;
      } finally {
        span.stop();
      }
     
      long logEntryScanStop = System.currentTimeMillis();
      log.info(String.format("%d log entries scanned in %.2f seconds", count, (logEntryScanStop - fileScanStop) / 1000.));
     
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      long removeStop = System.currentTimeMillis();
      log.info(String.format("%d total logs removed from %d servers in %.2f seconds", count, serverToFileMap.size(), (removeStop - logEntryScanStop) / 1000.));
      status.currentLog.finished = removeStop;
      status.lastLog = status.currentLog;
      status.currentLog = new GcCycleStats();
      span.stop();
     
    } catch (Exception e) {
      log.error("exception occured while garbage collecting write ahead logs", e);
      span.stop();
    }
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      status.currentLog = new GcCycleStats();
      span.stop();
     
    } catch (Exception e) {
      log.error("exception occured while garbage collecting write ahead logs", e);
      span.stop();
    }
  }
 
  private static int removeFiles(final FileSystem fs, Map<String,ArrayList<String>> serverToFileMap, final GCStatus status) {
    final AtomicInteger count = new AtomicInteger();
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            log.error("Unexpected error preparing for commit", error);
            break;
          }
        }
      }
      prep.stop();

      Span wal = Trace.start("wal");
      long pt2 = System.currentTimeMillis();
      long avgPrepareTime = (long) ((pt2 - pt1) / (double) us.queuedMutations.size());
      us.prepareTimes.addStat(pt2 - pt1);
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            log.error("Unknown exception logging mutations, counts for mutations in flight not decremented!", t);
            throw new RuntimeException(t);
          }
        }

        wal.stop();

        Span commit = Trace.start("commit");
        long t1 = System.currentTimeMillis();
        for (Entry<CommitSession,? extends List<Mutation>> entry : sendables.entrySet()) {
          CommitSession commitSession = entry.getKey();
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