Examples with RepairLogTruncationMessage org.voltdb.messaging.RepairLogTruncationMessage used on opensource projects

Example 1 with RepairLogTruncationMessage

use of org.voltdb.messaging.RepairLogTruncationMessage in project voltdb by VoltDB.

the class RepairLog method deliver.

// Offer a new message to the repair log. This will truncate
// the repairLog if the message includes a truncation hint.
public void deliver(VoltMessage msg) {
    if (!m_isLeader && msg instanceof Iv2InitiateTaskMessage) {
        final Iv2InitiateTaskMessage m = (Iv2InitiateTaskMessage) msg;
        // We can't repair read only SP transactions. Just don't log them to the repair log.
        if (m.isReadOnly()) {
            return;
        }
        m_lastSpHandle = m.getSpHandle();
        truncate(m.getTruncationHandle(), IS_SP);
        m_logSP.add(new Item(IS_SP, m, m.getSpHandle(), m.getTxnId()));
    } else if (msg instanceof FragmentTaskMessage) {
        final FragmentTaskMessage m = (FragmentTaskMessage) msg;
        // We can't repair read only SP transactions. Just don't log them to the repair log.
        if (m.isReadOnly()) {
            return;
        }
        truncate(m.getTruncationHandle(), IS_MP);
        // only log the first fragment of a procedure (and handle 1st case)
        if (m.getTxnId() > m_lastMpHandle || m_lastMpHandle == Long.MAX_VALUE) {
            m_logMP.add(new Item(IS_MP, m, m.getSpHandle(), m.getTxnId()));
            m_lastMpHandle = m.getTxnId();
            m_lastSpHandle = m.getSpHandle();
        }
    } else if (msg instanceof CompleteTransactionMessage) {
        // a CompleteTransactionMessage which indicates restart is not the end of the
        // transaction.  We don't want to log it in the repair log.
        CompleteTransactionMessage ctm = (CompleteTransactionMessage) msg;
        // Restart transaction do not need to be repaired here, don't log them as well.
        if (ctm.isReadOnly() || ctm.isRestart()) {
            return;
        }
        truncate(ctm.getTruncationHandle(), IS_MP);
        m_logMP.add(new Item(IS_MP, ctm, ctm.getSpHandle(), ctm.getTxnId()));
        //Restore will send a complete transaction message with a lower mp transaction id because
        //the restore transaction precedes the loading of the right mp transaction id from the snapshot
        //Hence Math.max
        m_lastMpHandle = Math.max(m_lastMpHandle, ctm.getTxnId());
        m_lastSpHandle = ctm.getSpHandle();
    } else if (msg instanceof DumpMessage) {
        String who = CoreUtils.hsIdToString(m_HSId);
        tmLog.warn("Repair log dump for site: " + who + ", isLeader: " + m_isLeader + ", " + who + ": lastSpHandle: " + m_lastSpHandle + ", lastMpHandle: " + m_lastMpHandle);
        for (Iv2RepairLogResponseMessage il : contents(0l, false)) {
            tmLog.warn("[Repair log contents]" + who + ": msg: " + il);
        }
    } else if (msg instanceof RepairLogTruncationMessage) {
        final RepairLogTruncationMessage truncateMsg = (RepairLogTruncationMessage) msg;
        truncate(truncateMsg.getHandle(), IS_SP);
    }
}