Summary: Closes https://github.com/facebook/rocksdb/pull/3666 Differential Revision: D7457634 Pulled By: sagar0 fbshipit-source-id: 47741e2ee66e9255c580f4e38cfb86b284c27c2fmain
Adam Retter
7 years ago
committed by
Facebook Github Bot
parent
74767deec3
commit
ca87aef82d
@ -0,0 +1,217 @@ |
||||
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
||||
// This source code is licensed under both the GPLv2 (found in the
|
||||
// COPYING file in the root directory) and Apache 2.0 License
|
||||
// (found in the LICENSE.Apache file in the root directory).
|
||||
//
|
||||
// This file implements the "bridge" between Java and C++ and enables
|
||||
// calling C++ rocksdb::SstFileManager methods
|
||||
// from Java side.
|
||||
|
||||
#include <jni.h> |
||||
#include <memory> |
||||
|
||||
#include "include/org_rocksdb_SstFileManager.h" |
||||
#include "rocksdb/sst_file_manager.h" |
||||
#include "rocksjni/portal.h" |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: newSstFileManager |
||||
* Signature: (JJJDJ)J |
||||
*/ |
||||
jlong Java_org_rocksdb_SstFileManager_newSstFileManager( |
||||
JNIEnv* jnienv, jclass jcls, jlong jenv_handle, jlong jlogger_handle, |
||||
jlong jrate_bytes, jdouble jmax_trash_db_ratio, |
||||
jlong jmax_delete_chunk_bytes) { |
||||
|
||||
auto* env = reinterpret_cast<rocksdb::Env*>(jenv_handle); |
||||
rocksdb::Status s; |
||||
rocksdb::SstFileManager* sst_file_manager = nullptr; |
||||
|
||||
if (jlogger_handle != 0) { |
||||
auto* sptr_logger = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::Logger> *>(jlogger_handle); |
||||
sst_file_manager = rocksdb::NewSstFileManager(env, *sptr_logger, "", |
||||
jrate_bytes, true, &s, jmax_trash_db_ratio, |
||||
jmax_delete_chunk_bytes); |
||||
} else { |
||||
sst_file_manager = rocksdb::NewSstFileManager(env, nullptr, "", |
||||
jrate_bytes, true, &s, jmax_trash_db_ratio, |
||||
jmax_delete_chunk_bytes); |
||||
} |
||||
|
||||
if (!s.ok()) { |
||||
if (sst_file_manager != nullptr) { |
||||
delete sst_file_manager; |
||||
} |
||||
rocksdb::RocksDBExceptionJni::ThrowNew(jnienv, s); |
||||
} |
||||
auto* sptr_sst_file_manager |
||||
= new std::shared_ptr<rocksdb::SstFileManager>(sst_file_manager); |
||||
|
||||
return reinterpret_cast<jlong>(sptr_sst_file_manager); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: setMaxAllowedSpaceUsage |
||||
* Signature: (JJ)V |
||||
*/ |
||||
void Java_org_rocksdb_SstFileManager_setMaxAllowedSpaceUsage( |
||||
JNIEnv* env, jobject jobj, jlong jhandle, jlong jmax_allowed_space) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
sptr_sst_file_manager->get()->SetMaxAllowedSpaceUsage(jmax_allowed_space); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: setCompactionBufferSize |
||||
* Signature: (JJ)V |
||||
*/ |
||||
void Java_org_rocksdb_SstFileManager_setCompactionBufferSize( |
||||
JNIEnv* env, jobject jobj, jlong jhandle, jlong jcompaction_buffer_size) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
sptr_sst_file_manager->get()->SetCompactionBufferSize(jcompaction_buffer_size); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: isMaxAllowedSpaceReached |
||||
* Signature: (J)Z |
||||
*/ |
||||
jboolean Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReached( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
return sptr_sst_file_manager->get()->IsMaxAllowedSpaceReached(); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: isMaxAllowedSpaceReachedIncludingCompactions |
||||
* Signature: (J)Z |
||||
*/ |
||||
jboolean Java_org_rocksdb_SstFileManager_isMaxAllowedSpaceReachedIncludingCompactions( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
return sptr_sst_file_manager->get()->IsMaxAllowedSpaceReachedIncludingCompactions(); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: getTotalSize |
||||
* Signature: (J)J |
||||
*/ |
||||
jlong Java_org_rocksdb_SstFileManager_getTotalSize( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
return sptr_sst_file_manager->get()->GetTotalSize(); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: getTrackedFiles |
||||
* Signature: (J)Ljava/util/Map; |
||||
*/ |
||||
jobject Java_org_rocksdb_SstFileManager_getTrackedFiles( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
auto tracked_files = sptr_sst_file_manager->get()->GetTrackedFiles(); |
||||
|
||||
const jobject jtracked_files = rocksdb::HashMapJni::construct(env, |
||||
static_cast<uint32_t>(tracked_files.size())); |
||||
if (jtracked_files == nullptr) { |
||||
// exception occurred
|
||||
return nullptr; |
||||
} |
||||
|
||||
const rocksdb::HashMapJni::FnMapKV<const std::string, const uint64_t> fn_map_kv = |
||||
[env, &tracked_files](const std::pair<const std::string, const uint64_t>& pair) { |
||||
const jstring jtracked_file_path = env->NewStringUTF(pair.first.c_str()); |
||||
if (jtracked_file_path == nullptr) { |
||||
// an error occurred
|
||||
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); |
||||
} |
||||
const jobject jtracked_file_size = |
||||
rocksdb::LongJni::valueOf(env, pair.second); |
||||
if (jtracked_file_size == nullptr) { |
||||
// an error occurred
|
||||
return std::unique_ptr<std::pair<jobject, jobject>>(nullptr); |
||||
} |
||||
return std::unique_ptr<std::pair<jobject, jobject>>(new std::pair<jobject, jobject>(jtracked_file_path, |
||||
jtracked_file_size)); |
||||
}; |
||||
|
||||
if(!rocksdb::HashMapJni::putAll(env, jtracked_files, |
||||
tracked_files.begin(), tracked_files.end(), fn_map_kv)) { |
||||
// exception occcurred
|
||||
return nullptr; |
||||
} |
||||
|
||||
return jtracked_files; |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: getDeleteRateBytesPerSecond |
||||
* Signature: (J)J |
||||
*/ |
||||
jlong Java_org_rocksdb_SstFileManager_getDeleteRateBytesPerSecond( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
return sptr_sst_file_manager->get()->GetDeleteRateBytesPerSecond(); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: setDeleteRateBytesPerSecond |
||||
* Signature: (JJ)V |
||||
*/ |
||||
void Java_org_rocksdb_SstFileManager_setDeleteRateBytesPerSecond( |
||||
JNIEnv* env, jobject jobj, jlong jhandle, jlong jdelete_rate) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
sptr_sst_file_manager->get()->SetDeleteRateBytesPerSecond(jdelete_rate); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: getMaxTrashDBRatio |
||||
* Signature: (J)D |
||||
*/ |
||||
jdouble Java_org_rocksdb_SstFileManager_getMaxTrashDBRatio( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
return sptr_sst_file_manager->get()->GetMaxTrashDBRatio(); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: setMaxTrashDBRatio |
||||
* Signature: (JD)V |
||||
*/ |
||||
void Java_org_rocksdb_SstFileManager_setMaxTrashDBRatio( |
||||
JNIEnv* env, jobject jobj, jlong jhandle, jdouble jratio) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
sptr_sst_file_manager->get()->SetMaxTrashDBRatio(jratio); |
||||
} |
||||
|
||||
/*
|
||||
* Class: org_rocksdb_SstFileManager |
||||
* Method: disposeInternal |
||||
* Signature: (J)V |
||||
*/ |
||||
void Java_org_rocksdb_SstFileManager_disposeInternal( |
||||
JNIEnv* env, jobject jobj, jlong jhandle) { |
||||
auto* sptr_sst_file_manager = |
||||
reinterpret_cast<std::shared_ptr<rocksdb::SstFileManager> *>(jhandle); |
||||
delete sptr_sst_file_manager; |
||||
} |
||||
@ -0,0 +1,241 @@ |
||||
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
||||
// This source code is licensed under both the GPLv2 (found in the
|
||||
// COPYING file in the root directory) and Apache 2.0 License
|
||||
// (found in the LICENSE.Apache file in the root directory).
|
||||
|
||||
package org.rocksdb; |
||||
|
||||
import java.util.Map; |
||||
|
||||
/** |
||||
* SstFileManager is used to track SST files in the DB and control their |
||||
* deletion rate. |
||||
* |
||||
* All SstFileManager public functions are thread-safe. |
||||
* |
||||
* SstFileManager is not extensible. |
||||
*/ |
||||
//@ThreadSafe
|
||||
public final class SstFileManager extends RocksObject { |
||||
|
||||
public static final long RATE_BYTES_PER_SEC_DEFAULT = 0; |
||||
public static final boolean DELETE_EXISTING_TRASH_DEFAULT = true; |
||||
public static final double MAX_TRASH_DB_RATION_DEFAULT = 0.25; |
||||
public static final long BYTES_MAX_DELETE_CHUNK_DEFAULT = 64 * 1024 * 1024; |
||||
|
||||
/** |
||||
* Create a new SstFileManager that can be shared among multiple RocksDB |
||||
* instances to track SST file and control there deletion rate. |
||||
* |
||||
* @param env the environment. |
||||
*/ |
||||
public SstFileManager(final Env env) throws RocksDBException { |
||||
this(env, null); |
||||
} |
||||
|
||||
/** |
||||
* Create a new SstFileManager that can be shared among multiple RocksDB |
||||
* instances to track SST file and control there deletion rate. |
||||
* |
||||
* @param env the environment. |
||||
* @param logger if not null, the logger will be used to log errors. |
||||
*/ |
||||
public SstFileManager(final Env env, /*@Nullable*/ final Logger logger) |
||||
throws RocksDBException { |
||||
this(env, logger, RATE_BYTES_PER_SEC_DEFAULT); |
||||
} |
||||
|
||||
/** |
||||
* Create a new SstFileManager that can be shared among multiple RocksDB |
||||
* instances to track SST file and control there deletion rate. |
||||
* |
||||
* @param env the environment. |
||||
* @param logger if not null, the logger will be used to log errors. |
||||
* |
||||
* == Deletion rate limiting specific arguments == |
||||
* @param rateBytesPerSec how many bytes should be deleted per second, If |
||||
* this value is set to 1024 (1 Kb / sec) and we deleted a file of size |
||||
* 4 Kb in 1 second, we will wait for another 3 seconds before we delete |
||||
* other files, Set to 0 to disable deletion rate limiting. |
||||
*/ |
||||
public SstFileManager(final Env env, /*@Nullable*/ final Logger logger, |
||||
final long rateBytesPerSec) throws RocksDBException { |
||||
this(env, logger, rateBytesPerSec, MAX_TRASH_DB_RATION_DEFAULT); |
||||
} |
||||
|
||||
/** |
||||
* Create a new SstFileManager that can be shared among multiple RocksDB |
||||
* instances to track SST file and control there deletion rate. |
||||
* |
||||
* @param env the environment. |
||||
* @param logger if not null, the logger will be used to log errors. |
||||
* |
||||
* == Deletion rate limiting specific arguments == |
||||
* @param rateBytesPerSec how many bytes should be deleted per second, If |
||||
* this value is set to 1024 (1 Kb / sec) and we deleted a file of size |
||||
* 4 Kb in 1 second, we will wait for another 3 seconds before we delete |
||||
* other files, Set to 0 to disable deletion rate limiting. |
||||
* @param maxTrashDbRatio if the trash size constitutes for more than this |
||||
* fraction of the total DB size we will start deleting new files passed |
||||
* to DeleteScheduler immediately. |
||||
*/ |
||||
public SstFileManager(final Env env, /*@Nullable*/ final Logger logger, |
||||
final long rateBytesPerSec, final double maxTrashDbRatio) |
||||
throws RocksDBException { |
||||
this(env, logger, rateBytesPerSec, maxTrashDbRatio, |
||||
BYTES_MAX_DELETE_CHUNK_DEFAULT); |
||||
} |
||||
|
||||
/** |
||||
* Create a new SstFileManager that can be shared among multiple RocksDB |
||||
* instances to track SST file and control there deletion rate. |
||||
* |
||||
* @param env the environment. |
||||
* @param logger if not null, the logger will be used to log errors. |
||||
* |
||||
* == Deletion rate limiting specific arguments == |
||||
* @param rateBytesPerSec how many bytes should be deleted per second, If |
||||
* this value is set to 1024 (1 Kb / sec) and we deleted a file of size |
||||
* 4 Kb in 1 second, we will wait for another 3 seconds before we delete |
||||
* other files, Set to 0 to disable deletion rate limiting. |
||||
* @param maxTrashDbRatio if the trash size constitutes for more than this |
||||
* fraction of the total DB size we will start deleting new files passed |
||||
* to DeleteScheduler immediately. |
||||
* @param bytesMaxDeleteChunk if a single file is larger than delete chunk, |
||||
* ftruncate the file by this size each time, rather than dropping the whole |
||||
* file. 0 means to always delete the whole file. |
||||
*/ |
||||
public SstFileManager(final Env env, /*@Nullable*/final Logger logger, |
||||
final long rateBytesPerSec, final double maxTrashDbRatio, |
||||
final long bytesMaxDeleteChunk) throws RocksDBException { |
||||
super(newSstFileManager(env.nativeHandle_, |
||||
logger != null ? logger.nativeHandle_ : 0, |
||||
rateBytesPerSec, maxTrashDbRatio, bytesMaxDeleteChunk)); |
||||
} |
||||
|
||||
|
||||
/** |
||||
* Update the maximum allowed space that should be used by RocksDB, if |
||||
* the total size of the SST files exceeds {@code maxAllowedSpace}, writes to |
||||
* RocksDB will fail. |
||||
* |
||||
* Setting {@code maxAllowedSpace} to 0 will disable this feature; |
||||
* maximum allowed space will be infinite (Default value). |
||||
* |
||||
* @param maxAllowedSpace the maximum allowed space that should be used by |
||||
* RocksDB. |
||||
*/ |
||||
public void setMaxAllowedSpaceUsage(final long maxAllowedSpace) { |
||||
setMaxAllowedSpaceUsage(nativeHandle_, maxAllowedSpace); |
||||
} |
||||
|
||||
/** |
||||
* Set the amount of buffer room each compaction should be able to leave. |
||||
* In other words, at its maximum disk space consumption, the compaction |
||||
* should still leave {@code compactionBufferSize} available on the disk so |
||||
* that other background functions may continue, such as logging and flushing. |
||||
* |
||||
* @param compactionBufferSize the amount of buffer room each compaction |
||||
* should be able to leave. |
||||
*/ |
||||
public void setCompactionBufferSize(final long compactionBufferSize) { |
||||
setCompactionBufferSize(nativeHandle_, compactionBufferSize); |
||||
} |
||||
|
||||
/** |
||||
* Determines if the total size of SST files exceeded the maximum allowed |
||||
* space usage. |
||||
* |
||||
* @return true when the maximum allows space usage has been exceeded. |
||||
*/ |
||||
public boolean isMaxAllowedSpaceReached() { |
||||
return isMaxAllowedSpaceReached(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Determines if the total size of SST files as well as estimated size |
||||
* of ongoing compactions exceeds the maximums allowed space usage. |
||||
* |
||||
* @return true when the total size of SST files as well as estimated size |
||||
* of ongoing compactions exceeds the maximums allowed space usage. |
||||
*/ |
||||
public boolean isMaxAllowedSpaceReachedIncludingCompactions() { |
||||
return isMaxAllowedSpaceReachedIncludingCompactions(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Get the total size of all tracked files. |
||||
* |
||||
* @return the total size of all tracked files. |
||||
*/ |
||||
public long getTotalSize() { |
||||
return getTotalSize(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Gets all tracked files and their corresponding sizes. |
||||
* |
||||
* @return a map containing all tracked files and there corresponding sizes. |
||||
*/ |
||||
public Map<String, Long> getTrackedFiles() { |
||||
return getTrackedFiles(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Gets the delete rate limit. |
||||
* |
||||
* @return the delete rate limit (in bytes per second). |
||||
*/ |
||||
public long getDeleteRateBytesPerSecond() { |
||||
return getDeleteRateBytesPerSecond(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Set the delete rate limit. |
||||
* |
||||
* Zero means disable delete rate limiting and delete files immediately. |
||||
* |
||||
* @param deleteRate the delete rate limit (in bytes per second). |
||||
*/ |
||||
public void setDeleteRateBytesPerSecond(final long deleteRate) { |
||||
setDeleteRateBytesPerSecond(nativeHandle_, deleteRate); |
||||
} |
||||
|
||||
/** |
||||
* Get the trash/DB size ratio where new files will be deleted immediately. |
||||
* |
||||
* @return the trash/DB size ratio. |
||||
*/ |
||||
public double getMaxTrashDBRatio() { |
||||
return getMaxTrashDBRatio(nativeHandle_); |
||||
} |
||||
|
||||
/** |
||||
* Set the trash/DB size ratio where new files will be deleted immediately. |
||||
* |
||||
* @param ratio the trash/DB size ratio. |
||||
*/ |
||||
public void setMaxTrashDBRatio(final double ratio) { |
||||
setMaxTrashDBRatio(nativeHandle_, ratio); |
||||
} |
||||
|
||||
private native static long newSstFileManager(final long handle, |
||||
final long logger_handle, final long rateBytesPerSec, |
||||
final double maxTrashDbRatio, final long bytesMaxDeleteChunk) |
||||
throws RocksDBException; |
||||
private native void setMaxAllowedSpaceUsage(final long handle, |
||||
final long maxAllowedSpace); |
||||
private native void setCompactionBufferSize(final long handle, |
||||
final long compactionBufferSize); |
||||
private native boolean isMaxAllowedSpaceReached(final long handle); |
||||
private native boolean isMaxAllowedSpaceReachedIncludingCompactions( |
||||
final long handle); |
||||
private native long getTotalSize(final long handle); |
||||
private native Map<String, Long> getTrackedFiles(final long handle); |
||||
private native long getDeleteRateBytesPerSecond(final long handle); |
||||
private native void setDeleteRateBytesPerSecond(final long handle, |
||||
final long deleteRate); |
||||
private native double getMaxTrashDBRatio(final long handle); |
||||
private native void setMaxTrashDBRatio(final long handle, final double ratio); |
||||
@Override protected final native void disposeInternal(final long handle); |
||||
} |
||||
@ -0,0 +1,66 @@ |
||||
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
||||
// This source code is licensed under both the GPLv2 (found in the
|
||||
// COPYING file in the root directory) and Apache 2.0 License
|
||||
// (found in the LICENSE.Apache file in the root directory).
|
||||
|
||||
package org.rocksdb; |
||||
|
||||
import org.junit.Test; |
||||
|
||||
import java.util.Collections; |
||||
|
||||
import static org.assertj.core.api.Assertions.*; |
||||
|
||||
public class SstFileManagerTest { |
||||
|
||||
@Test |
||||
public void maxAllowedSpaceUsage() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
sstFileManager.setMaxAllowedSpaceUsage(1024 * 1024 * 64); |
||||
assertThat(sstFileManager.isMaxAllowedSpaceReached()).isFalse(); |
||||
assertThat(sstFileManager.isMaxAllowedSpaceReachedIncludingCompactions()).isFalse(); |
||||
} |
||||
} |
||||
|
||||
@Test |
||||
public void compactionBufferSize() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
sstFileManager.setCompactionBufferSize(1024 * 1024 * 10); |
||||
assertThat(sstFileManager.isMaxAllowedSpaceReachedIncludingCompactions()).isFalse(); |
||||
} |
||||
} |
||||
|
||||
@Test |
||||
public void totalSize() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
assertThat(sstFileManager.getTotalSize()).isEqualTo(0); |
||||
} |
||||
} |
||||
|
||||
@Test |
||||
public void trackedFiles() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
assertThat(sstFileManager.getTrackedFiles()).isEqualTo(Collections.emptyMap()); |
||||
} |
||||
} |
||||
|
||||
@Test |
||||
public void deleteRateBytesPerSecond() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
assertThat(sstFileManager.getDeleteRateBytesPerSecond()).isEqualTo(SstFileManager.RATE_BYTES_PER_SEC_DEFAULT); |
||||
final long ratePerSecond = 1024 * 1024 * 52; |
||||
sstFileManager.setDeleteRateBytesPerSecond(ratePerSecond); |
||||
assertThat(sstFileManager.getDeleteRateBytesPerSecond()).isEqualTo(ratePerSecond); |
||||
} |
||||
} |
||||
|
||||
@Test |
||||
public void maxTrashDBRatio() throws RocksDBException { |
||||
try (final SstFileManager sstFileManager = new SstFileManager(Env.getDefault())) { |
||||
assertThat(sstFileManager.getMaxTrashDBRatio()).isEqualTo(SstFileManager.MAX_TRASH_DB_RATION_DEFAULT); |
||||
final double trashRatio = 0.2; |
||||
sstFileManager.setMaxTrashDBRatio(trashRatio); |
||||
assertThat(sstFileManager.getMaxTrashDBRatio()).isEqualTo(trashRatio); |
||||
} |
||||
} |
||||
} |
||||
Loading…
Reference in new issue