Examples with ClusterServer com.ctrip.xpipe.redis.meta.server.cluster.ClusterServer used on opensource projects

Example 1 with ClusterServer

use of com.ctrip.xpipe.redis.meta.server.cluster.ClusterServer in project x-pipe by ctripcorp.

the class AbstractDirectMoveSharding method doShardingTask.

@Override
protected void doShardingTask() throws ShardingException {
    List<Integer> slots = getSlotsToArrange();
    List<ClusterServer> aliveServers = allAliveServers();
    logger.info("[doExecute][aliveServers]{}", aliveServers);
    if (aliveServers.size() == 0) {
        logger.info("[doExecute][no aliveServers]{}");
        future().setSuccess(null);
        return;
    }
    int aliveTotal = getAliveTotal(aliveServers);
    int average = (aliveTotal + slots.size()) / aliveServers.size();
    int slotIndex = 0;
    for (ClusterServer alive : aliveServers) {
        int currentServerSlotsSize = slotManager.getSlotsSizeByServerId(alive.getServerId());
        for (int i = 0; i < average - currentServerSlotsSize; i++) {
            executeTask(new MoveSlotFromDeadOrEmpty(slots.get(slotIndex), getDeadServer(), alive, zkClient));
            slotIndex++;
        }
    }
    int aliveServerIndex = 0;
    for (; slotIndex < slots.size(); slotIndex++) {
        executeTask(new MoveSlotFromDeadOrEmpty(slots.get(slotIndex), getDeadServer(), aliveServers.get(aliveServerIndex++ % aliveServers.size()), zkClient));
    }
}

Example 2 with ClusterServer

use of com.ctrip.xpipe.redis.meta.server.cluster.ClusterServer in project x-pipe by ctripcorp.

the class RollbackMovingTask method doExecute.

@Override
protected void doExecute() throws Exception {
    setSlotInfo(new SlotInfo(from.getServerId()));
    ClusterServer from = getFrom();
    ClusterServer to = getTo();
    if (from != null) {
        from.addSlot(slot);
    }
    if (to != null) {
        to.deleteSlot(slot);
    }
    future().setSuccess();
}

Example 3 with ClusterServer

use of com.ctrip.xpipe.redis.meta.server.cluster.ClusterServer in project x-pipe by ctripcorp.

the class ServerBalanceResharding method doShardingTask.

@Override
protected void doShardingTask() throws ShardingException {
    Set<? extends ClusterServer> aliveServers = servers.allClusterServers();
    if (aliveServers.size() == 0) {
        logger.info("[doExecute][no aliveServers]{}", aliveServers);
        future().setSuccess(null);
        return;
    }
    int totalSlots = getAliveTotal(aliveServers);
    int average = totalSlots / aliveServers.size();
    ClusterServer easyServer = null;
    for (ClusterServer clusterServer : aliveServers) {
        int currentSlots = slotManager.getSlotsSizeByServerId(clusterServer.getServerId());
        logger.info("[doExecute]{}, {}", clusterServer, currentSlots);
        if (currentSlots < average / 2) {
            easyServer = clusterServer;
            break;
        }
    }
    if (easyServer == null) {
        logger.info("[doExecute][no easy server][exit]{}", servers.allClusterServers());
        future().setSuccess(null);
        return;
    }
    logger.info("[doExecute][easy server]{}", easyServer);
    int maxMove = average - slotManager.getSlotsSizeByServerId(easyServer.getServerId());
    int totalMove = 0;
    for (ClusterServer clusterServer : aliveServers) {
        if (clusterServer.equals(easyServer)) {
            continue;
        }
        int currentSlotsSize = slotManager.getSlotsSizeByServerId(clusterServer.getServerId());
        int toMove = Math.min(currentSlotsSize - average, maxMove - totalMove);
        if (toMove > 0) {
            logger.info("[doExecute][move from server to dst]{}->{} {}", clusterServer, easyServer, toMove);
            move(clusterServer, easyServer, toMove);
        }
        totalMove += toMove;
        if (totalMove >= maxMove) {
            logger.info("[doExecute][totalMove > maxMove]{} > {}", totalMove, maxMove);
            break;
        }
    }
}