Merge pull request #9 from stefan-zobel/9.2.fb

Merge 9.2.1

pom.xml

@@ -4,7 +4,7 @@
     <groupId>net.sourceforge.streamsupport</groupId>
     <artifactId>schwefel</artifactId>
     <packaging>jar</packaging>
-    <version>9.1.1.1</version>
+    <version>9.2.1.1-SNAPSHOT</version>
     <name>schwefel</name>
     <description>A dead simple RocksDB Java wrapper</description>
     <url>https://github.com/stefan-zobel/schwefel/</url>

src/main/java/org/rocksdb/BlockBasedTableConfig.java

@@ -31,7 +31,7 @@ public BlockBasedTableConfig() {
     indexBlockRestartInterval = 1;
     metadataBlockSize = 4096;
     partitionFilters = false;
-    optimizeFiltersForMemory = false;
+    optimizeFiltersForMemory = true;
     useDeltaEncoding = true;
     filterPolicy = null;
     wholeKeyFiltering = true;

src/main/java/org/rocksdb/PerfContext.java

@@ -657,6 +657,15 @@ public long getNumberAsyncSeek() {
     return getNumberAsyncSeek(nativeHandle_);
   }
 
+  @Override
+  public String toString() {
+    return toString(true);
+  }
+
+  public String toString(final boolean excludeZeroCounters) {
+    return toString(nativeHandle_, excludeZeroCounters);
+  }
+
   @Override
   protected void disposeInternal(long handle) {
     // Nothing to do. Perf context is valid for all the time of application is running.
@@ -764,4 +773,6 @@ protected void disposeInternal(long handle) {
   private native long getEncryptDataNanos(long nativeHandle_);
   private native long getDecryptDataNanos(long nativeHandle_);
   private native long getNumberAsyncSeek(long nativeHandle_);
+
+  private native String toString(final long nativeHandle, final boolean excludeZeroCounters);
 }