php如何设置kafka手动提交消费ack？

设置('enable.auto.commit', 'false');

消费完数据后进行 $consumer->commit($message);

示例代码如下：

<?php

$conf = new RdKafka\Conf();

// Set a rebalance callback to log partition assignments (optional)
// 当有新的消费进程加入或者退出消费组时，kafka 会自动重新分配分区给消费者进程，这里注册了一个回调函数，当分区被重新分配时触发
$conf->setRebalanceCb(function (RdKafka\KafkaConsumer $kafka, $err, array $partitions = null) {
    switch ($err) {
        case RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS:
            echo "Assign: ";
            var_dump($partitions);
            $kafka->assign($partitions);
            break;

        case RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS:
            echo "Revoke: ";
            var_dump($partitions);
            $kafka->assign(NULL);
            break;

        default:
    ...

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