Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/3358#discussion_r102184622
--- Diff:
flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java
---
@@ -165,20 +286,36 @@ public void beforeBulk(long executionId, BulkRequest
request) { }
@Override
public void afterBulk(long executionId,
BulkRequest request, BulkResponse response) {
if (response.hasFailures()) {
- for (BulkItemResponse itemResp
: response.getItems()) {
- Throwable failure =
callBridge.extractFailureCauseFromBulkItemResponse(itemResp);
+ BulkItemResponse itemResponse;
+ Throwable failure;
+
+ for (int i = 0; i <
response.getItems().length; i++) {
+ itemResponse =
response.getItems()[i];
+ failure =
callBridge.extractFailureCauseFromBulkItemResponse(itemResponse);
if (failure != null) {
-
LOG.error("Failed Elasticsearch item request: {}", failure.getMessage(),
failure);
-
failureThrowable.compareAndSet(null, failure);
+
LOG.error("Failed Elasticsearch item request: {}",
itemResponse.getFailureMessage(), failure);
+
+ if
(failureHandler.onFailure(request.requests().get(i), failure, requestIndexer)) {
+
failureThrowable.compareAndSet(null, failure);
+ }
}
}
}
+
+
numPendingRequests.getAndAdd(-request.numberOfActions());
}
@Override
public void afterBulk(long executionId,
BulkRequest request, Throwable failure) {
- LOG.error("Failed Elasticsearch bulk
request: {}", failure.getMessage(), failure);
- failureThrowable.compareAndSet(null,
failure);
+ LOG.error("Failed Elasticsearch bulk
request: {}", failure.getMessage(), failure.getCause());
+
+ // whole bulk request failures are
usually just temporary timeouts on
+ // the Elasticsearch side; simply retry
all action requests in the bulk
+ for (ActionRequest action :
request.requests()) {
+ requestIndexer.add(action);
+ }
+
+
numPendingRequests.getAndAdd(-request.numberOfActions());
--- End diff --
The `BulkProcessorIndexer` will increment `numPendingRequests` whenever the
user calls `add(ActionRequest)`. So, in your description, when the user re-adds
the 500 requests, `numPendingRequests` first becomes `500+500=1000`. Then, we
consider the failed 500 requests to have completed when this line is reached,
so `numPendingRequests` becomes `1000-500=500`.
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