Examples with ConQueue com.actiontech.dble.backend.ConQueue used on opensource projects

Example 1 with ConQueue

use of com.actiontech.dble.backend.ConQueue in project dble by actiontech.

the class PhysicalDatasource method closeByIdleMany.

private void closeByIdleMany(int idleCloseCount, int idleCons) {
    LOGGER.info("too many ilde cons ,close some for datasouce  " + name + " want close :" + idleCloseCount + " total idle " + idleCons);
    List<BackendConnection> readyCloseCons = new ArrayList<BackendConnection>(idleCloseCount);
    for (ConQueue queue : conMap.getAllConQueue()) {
        int closeNumber = (queue.getManCommitCons().size() + queue.getAutoCommitCons().size()) * idleCloseCount / idleCons;
        readyCloseCons.addAll(queue.getIdleConsToClose(closeNumber));
    }
    for (BackendConnection idleCon : readyCloseCons) {
        if (idleCon.isBorrowed()) {
            LOGGER.info("find idle con is using " + idleCon);
        }
        idleCon.close("too many idle con");
    }
}

Example 2 with ConQueue

use of com.actiontech.dble.backend.ConQueue in project dble by actiontech.

the class PhysicalDatasource method getIdleCountForSchema.

public int getIdleCountForSchema(String schema) {
    ConQueue queue = conMap.getSchemaConQueue(schema);
    int total = 0;
    total += queue.getAutoCommitCons().size() + queue.getManCommitCons().size();
    return total;
}

Example 3 with ConQueue

use of com.actiontech.dble.backend.ConQueue in project dble by actiontech.

the class PhysicalDatasource method connectionHeatBeatCheck.

public void connectionHeatBeatCheck(long conHeartBeatPeriod) {
    // to die
    if (dying.get()) {
        closeByDyingAll();
        return;
    }
    long hearBeatTime = TimeUtil.currentTimeMillis() - conHeartBeatPeriod;
    for (ConQueue queue : conMap.getAllConQueue()) {
        longIdleHeartBeat(queue.getAutoCommitCons(), hearBeatTime);
        longIdleHeartBeat(queue.getManCommitCons(), hearBeatTime);
    }
    // the following is about the idle connection number control
    int idleCons = getIdleCount();
    int activeCons = this.getActiveCount();
    int createCount = (hostConfig.getMinCon() - idleCons) / 3;
    // create if idle too little
    if ((createCount > 0) && (idleCons + activeCons < size)) {
        createByIdleLittle(idleCons, createCount);
    } else if (idleCons > hostConfig.getMinCon()) {
        closeByIdleMany(idleCons - hostConfig.getMinCon(), idleCons);
    } else {
        int activeCount = this.getActiveCount();
        if (activeCount > size) {
            String s = Alarms.DEFAULT + "DATASOURCE EXCEED [name=" + name + ",active=" + activeCount + ",size=" + size + ']';
            LOGGER.info(s);
        }
    }
}

Example 4 with ConQueue

use of com.actiontech.dble.backend.ConQueue in project dble by actiontech.

the class PhysicalDatasource method returnCon.

private void returnCon(BackendConnection c) {
    if (dying.get()) {
        c.close("dying");
        closeByDyingAll();
        return;
    }
    c.setAttachment(null);
    c.setBorrowed(false);
    c.setLastTime(TimeUtil.currentTimeMillis());
    ConQueue queue = this.conMap.getSchemaConQueue(c.getSchema());
    boolean ok = false;
    if (c.isAutocommit()) {
        ok = queue.getAutoCommitCons().offer(c);
    } else {
        ok = queue.getManCommitCons().offer(c);
    }
    if (!ok) {
        LOGGER.info("can't return to pool ,so close con " + c);
        c.close("can't return to pool ");
    }
}

Example 5 with ConQueue

use of com.actiontech.dble.backend.ConQueue in project dble by actiontech.

the class PhysicalDatasource method takeCon.

private BackendConnection takeCon(BackendConnection conn, String schema) {
    conn.setBorrowed(true);
    if (!conn.getSchema().equals(schema)) {
        // need do schema syn in before sql send
        conn.setSchema(schema);
    }
    ConQueue queue = conMap.getSchemaConQueue(schema);
    queue.incExecuteCount();
    // update last time, the schedule job will not close it
    conn.setLastTime(System.currentTimeMillis());
    return conn;
}