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From: rmetzger <git@git.apache.org>
To: issues@flink.incubator.apache.org
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References: <git-pr-2861-flink@git.apache.org>
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Subject: [GitHub] flink pull request #2861: [FLINK-5122] Index requests will be retried if the...
Content-Type: text/plain
Message-Id: <20161205174746.21F52DFB89@git1-us-west.apache.org>
Date: Mon,  5 Dec 2016 17:47:46 +0000 (UTC)
archived-at: Mon, 05 Dec 2016 17:47:50 -0000

Github user rmetzger commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2861#discussion_r90916979
  
    --- Diff: flink-streaming-connectors/flink-connector-elasticsearch2/src/main/java/org/apache/flink/streaming/connectors/elasticsearch2/ElasticsearchSink.java ---
    @@ -186,22 +191,44 @@ 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 (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 batch: " + itemResp.getFailureMessage());
    +								reAddBulkRequest(request);
    +							} else { // Cannot retry action
    +								allRequestsRepeatable = false;
    +								LOG.error("Failed to index document in Elasticsearch: " + itemResp.getFailureMessage());
    --- End diff --
    
    {} instead of string concat.


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