New C API to expose NewCompactOnDeletionCollectorFactory (#8233)

Summary:
New C API rocksdb_options_add_compact_on_deletion_collector_factory to expose NewCompactOnDeletionCollectorFactory

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8233

Reviewed By: mrambacher

Differential Revision: D28018381

Pulled By: anand1976

fbshipit-source-id: 674c9ed902c91ff0d9f09e7a60c5f37b907604c6

db/c.cc

@@ -40,6 +40,7 @@
 #include "rocksdb/utilities/db_ttl.h"
 #include "rocksdb/utilities/memory_util.h"
 #include "rocksdb/utilities/optimistic_transaction_db.h"
+#include "rocksdb/utilities/table_properties_collectors.h"
 #include "rocksdb/utilities/transaction.h"
 #include "rocksdb/utilities/transaction_db.h"
 #include "rocksdb/utilities/write_batch_with_index.h"
@@ -84,6 +85,7 @@ using ROCKSDB_NAMESPACE::MemoryAllocator;
 using ROCKSDB_NAMESPACE::MemoryUtil;
 using ROCKSDB_NAMESPACE::MergeOperator;
 using ROCKSDB_NAMESPACE::NewBloomFilterPolicy;
+using ROCKSDB_NAMESPACE::NewCompactOnDeletionCollectorFactory;
 using ROCKSDB_NAMESPACE::NewGenericRateLimiter;
 using ROCKSDB_NAMESPACE::NewLRUCache;
 using ROCKSDB_NAMESPACE::OptimisticTransactionDB;
@@ -104,6 +106,7 @@ using ROCKSDB_NAMESPACE::SliceTransform;
 using ROCKSDB_NAMESPACE::Snapshot;
 using ROCKSDB_NAMESPACE::SstFileWriter;
 using ROCKSDB_NAMESPACE::Status;
+using ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory;
 using ROCKSDB_NAMESPACE::Transaction;
 using ROCKSDB_NAMESPACE::TransactionDB;
 using ROCKSDB_NAMESPACE::TransactionDBOptions;
@@ -3497,6 +3500,14 @@ void rocksdb_options_set_row_cache(rocksdb_options_t* opt, rocksdb_cache_t* cach
   }
 }
 
+void rocksdb_options_add_compact_on_deletion_collector_factory(
+    rocksdb_options_t* opt, size_t window_size, size_t num_dels_trigger) {
+  std::shared_ptr<ROCKSDB_NAMESPACE::TablePropertiesCollectorFactory>
+      compact_on_del =
+          NewCompactOnDeletionCollectorFactory(window_size, num_dels_trigger);
+  opt->rep.table_properties_collector_factories.emplace_back(compact_on_del);
+}
+
 void rocksdb_set_perf_level(int v) {
   PerfLevel level = static_cast<PerfLevel>(v);
   SetPerfLevel(level);

db/c_test.c

@@ -517,6 +517,9 @@ int main(int argc, char** argv) {
   coptions = rocksdb_compactoptions_create();
   rocksdb_compactoptions_set_exclusive_manual_compaction(coptions, 1);
 
+  rocksdb_options_add_compact_on_deletion_collector_factory(options, 10000,
+                                                            10001);
+
   StartPhase("destroy");
   rocksdb_destroy_db(options, dbname, &err);
   Free(&err);

include/rocksdb/c.h

@@ -1414,6 +1414,10 @@ extern ROCKSDB_LIBRARY_API void rocksdb_options_set_row_cache(
     rocksdb_options_t* opt, rocksdb_cache_t* cache
 );
 
+extern ROCKSDB_LIBRARY_API void
+rocksdb_options_add_compact_on_deletion_collector_factory(
+    rocksdb_options_t*, size_t window_size, size_t num_dels_trigger);
+
 /* RateLimiter */
 extern ROCKSDB_LIBRARY_API rocksdb_ratelimiter_t* rocksdb_ratelimiter_create(
     int64_t rate_bytes_per_sec, int64_t refill_period_us, int32_t fairness);