Question

我正在向CouchBase批量插入数据并在几分钟后获得此异常：

com.couchbase.client.java.error.TemporaryFailureException at com.couchbase.client.java.CouchbaseAsyncBucket $ 13.call（CouchbaseAsyncBucket.java:445）在 com.couchbase.client.java.CouchbaseAsyncBucket $ 13.call（CouchbaseAsyncBucket.java:426） at rx.internal.operators.OperatorMap $ 1.onNext（OperatorMap.java:54）在rx.observers.Subscribers $ 5.onNext（Subscribers.java:234）at rx.subjects.SubjectSubscriptionManager $ SubjectObserver.onNext（SubjectSubscriptionManager.java:222）在rx.subjects.AsyncSubject.onCompleted（AsyncSubject.java:101）at com.couchbase.client.core.endpoint.AbstractGenericHandler $ 1.call（AbstractGenericHandler.java:265）在 rx.internal.schedulers.ScheduledAction.run（ScheduledAction.java:55）在 java.util.concurrent.Executors $ RunnableAdapter.call（Executors.java:511）在java.util.concurrent.FutureTask.run（FutureTask.java:266）at java.util.concurrent.ScheduledThreadPoolExecutor中的$ ScheduledFutureTask.access $ 201（ScheduledThreadPoolExecutor.java:180）在 java.util.concurrent.ScheduledThreadPoolExecutor中的$ ScheduledFutureTask.run（ScheduledThreadPoolExecutor.java:293）在 java.util.concurrent.ThreadPoolExecutor.runWorker（ThreadPoolExecutor.java:1142）在 java.util.concurrent.ThreadPoolExecutor中的$ Worker.run（ThreadPoolExecutor.java:617）在java.lang.Thread.run（Thread.java:745）

以下是代码：

    cluster = CouchbaseCluster.create();
    Bucket bucket = cluster.openBucket();

    int numBatchs = 10000;
    int numDocsInBatch = 1000;

    for (int j = 0; j < numBatchs; j++) {
        long start = System.currentTimeMillis();

        List<JsonDocument> documents = new ArrayList<>(numDocsInBatch);
        for (int i = 0; i < numDocsInBatch; i++) {
            String uniqueID = UUID.randomUUID().toString() + "_" + System.currentTimeMillis();

            JsonObject user = JsonObject.
                    empty();

            documents.add(JsonDocument.create(uniqueID, user));
        }

        Observable
                .from(documents)
                .flatMap(new Func1<JsonDocument, Observable<JsonDocument>>() {
                    @Override
                    public Observable<JsonDocument> call(final JsonDocument docToInsert) {
                        return bucket.async().insert(docToInsert);
                    }
                })
                .last()
                .toBlocking()
                .single();

我做错了什么？

Answer 1

TemporaryFailureException通常是因为服务器可能太忙而导致的，通常可以通过退避重试该操作。

供参考：http://developer.couchbase.com/documentation/server/4.0/sdks/java-2.2/documents-bulk.html

在批量插入

1 个答案: