szaszm commented on a change in pull request #719: MINIFICPP-1133 - Rocksdb
operation errors should cause exceptions ins…
URL: https://github.com/apache/nifi-minifi-cpp/pull/719#discussion_r372343778
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File path: extensions/rocksdb-repos/FlowFileRepository.cpp
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@@ -158,7 +166,21 @@ void FlowFileRepository::prune_stored_flowfiles() {
}
delete it;
+}
+bool FlowFileRepository::ExecuteWithRetry(std::function<rocksdb::Status()>
operation) {
+ int waitTime = FLOWFILE_REPOSITORY_RETRY_INTERVAL;
+ for (int i=0; i<3; ++i) {
+ auto status = operation();
+ if (status.ok()) {
+ logger_->log_trace("Rocksdb operation executed successfully");
+ return true;
+ }
+ logger_->log_error("Rocksdb operation failed: %s", status.ToString());
+ std::this_thread::sleep_for(std::chrono::milliseconds(waitTime));
+ waitTime += FLOWFILE_REPOSITORY_RETRY_INTERVAL;
Review comment:
The suffix `RETRY_INTERVAL` suggests that we retry every so often but here
we increase the delay between retries in each iteration.
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