Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/2861#discussion_r90916177
--- 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());
--- End diff --
I would log here at a higher logging level.
Also, could you not use string concatenation here and use the "Retry batch:
{}", itemResp.getFailureMessage()); pattern?
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