private void closeOtherOplogs() {
    // get a snapshot to prevent CME
    Oplog[] oplogs = getAllOplogs();

    // if there are oplogs which are to be compacted, destroy them do not do oplogs[0]
    for (int i = 1; i < oplogs.length; i++) {
      oplogs[i].finishKrf();
      oplogs[i].close();
      removeOplog(oplogs[i].getOplogId());
    }
  }
closes all the oplogs except the current one *
geode-core/src/main/java/org/apache/geode/internal/cache/PersistentOplogSet.java