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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/05/18 03:41:08 UTC
[GitHub] [flink] hequn8128 commented on a change in pull request #8429:
[FLINK-12499][JDBC] JDBCAppendTableSink support retry
hequn8128 commented on a change in pull request #8429: [FLINK-12499][JDBC] JDBCAppendTableSink support retry
URL: https://github.com/apache/flink/pull/8429#discussion_r285117690
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File path: flink-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCOutputFormat.java
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@@ -221,11 +231,34 @@ public void writeRecord(Row row) throws IOException {
}
void flush() {
+ CompletableFuture<Boolean> retry = FutureUtils.retry(
+ () -> {
+ try {
+ upload.executeBatch();
+ batchCount = 0;
+ return CompletableFuture.completedFuture(true);
+ } catch (SQLException e) {
+ // Sync sleep to simulate delay
+ try {
+ Thread.sleep(retryDelay.toMilliseconds());
Review comment:
Maybe sleep longer if the thread keep failing? For example, sleep 1s for the first time, sleep 2s for the second time. sleep n seconds for the nth time.
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