[GitHub] flink pull request #2861: [FLINK-5122] Index requests will be retried if the...

[static-max <gi...@git.apache.org>]

Github user static-max commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2861#discussion_r94382504
  
    --- Diff: flink-streaming-connectors/flink-connector-elasticsearch2/src/main/java/org/apache/flink/streaming/connectors/elasticsearch2/ElasticsearchSink.java ---
    @@ -186,22 +198,47 @@ public void beforeBulk(long executionId, BulkRequest request) {
     
     			@Override
     			public void afterBulk(long executionId, BulkRequest request, BulkResponse response) {
    +				boolean allRequestsRepeatable = true;
     				if (response.hasFailures()) {
     					for (BulkItemResponse itemResp : response.getItems()) {
     						if (itemResp.isFailed()) {
    -							LOG.error("Failed to index document in Elasticsearch: " + itemResp.getFailureMessage());
    -							failureThrowable.compareAndSet(null, new RuntimeException(itemResp.getFailureMessage()));
    +							// Check if index request can be retried
    +							String failureMessageLowercase = itemResp.getFailureMessage().toLowerCase();
    +							if (checkErrorAndRetryBulk && (
    +									failureMessageLowercase.contains("timeout") || failureMessageLowercase.contains("timed out") // Generic timeout errors
    +									|| failureMessageLowercase.contains("UnavailableShardsException".toLowerCase()) // Shard not available due to rebalancing or node down
    +									|| (failureMessageLowercase.contains("data/write/bulk") && failureMessageLowercase.contains("bulk")) // Bulk index queue on node full
    +									)
    +								) {
    +								LOG.debug("Retry bulk: {}", itemResp.getFailureMessage());
    +								reAddBulkRequest(request);
    --- End diff --
    
    Your're right, it gets added multiple times, I'll fix that.


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