private void zkCoordinatedSplitMetaLogs(MasterProcedureEnv env) throws IOException {
    LOG.debug("Splitting meta WALs {}", this);
    MasterWalManager mwm = env.getMasterServices().getMasterWalManager();
    AssignmentManager am = env.getMasterServices().getAssignmentManager();
    am.getRegionStates().metaLogSplitting(serverName);
    mwm.splitMetaLog(serverName);
    am.getRegionStates().metaLogSplit(serverName);
    LOG.debug("Done splitting meta WALs {}", this);
  }
Split hbase:meta logs using 'classic' zk-based coordination. Superceded by procedure-based WAL
splitting.
@see #createSplittingWalProcedures(MasterProcedureEnv, boolean)
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/ServerCrashProcedure.java