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hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/OzoneClientConfig.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.apache.hadoop.hdds.scm; | ||
|
|
||
| import org.apache.hadoop.hdds.conf.Config; | ||
| import org.apache.hadoop.hdds.conf.ConfigGroup; | ||
| import org.apache.hadoop.hdds.conf.ConfigTag; | ||
| import org.apache.hadoop.hdds.conf.ConfigType; | ||
| import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ChecksumType; | ||
| import org.apache.hadoop.ozone.OzoneConfigKeys; | ||
|
|
||
| import com.google.common.base.Preconditions; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * Configuration values for Ozone Client. | ||
| */ | ||
| @ConfigGroup(prefix = "ozone.client") | ||
| public class OzoneClientConfig { | ||
|
|
||
| private static final Logger LOG = | ||
| LoggerFactory.getLogger(OzoneClientConfig.class); | ||
|
|
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| @Config(key = "stream.buffer.flush.size", | ||
| defaultValue = "16MB", | ||
| type = ConfigType.SIZE, | ||
| description = "Size which determines at what buffer position a partial " | ||
| + "flush will be initiated during write. It should be a multiple of" | ||
| + " ozone.client.stream.buffer.size", | ||
| tags = ConfigTag.CLIENT) | ||
| private long streamBufferFlushSize = 16 * 1024 * 1024; | ||
|
|
||
| @Config(key = "stream.buffer.size", | ||
| defaultValue = "4MB", | ||
| type = ConfigType.SIZE, | ||
| description = "The size of chunks the client will send to the server", | ||
| tags = ConfigTag.CLIENT) | ||
| private int streamBufferSize = 4 * 1024 * 1024; | ||
|
|
||
| @Config(key = "stream.buffer.flush.delay", | ||
| defaultValue = "true", | ||
| description = "Default true, when call flush() and determine whether " | ||
| + "the data in the current buffer is greater than ozone.client" | ||
| + ".stream.buffer.size, if greater than then send buffer to the " | ||
| + "datanode. You can turn this off by setting this configuration " | ||
| + "to false.", tags = ConfigTag.CLIENT) | ||
| private boolean streamBufferFlushDelay = true; | ||
|
|
||
| @Config(key = "stream.buffer.max.size", | ||
| defaultValue = "32MB", | ||
| type = ConfigType.SIZE, | ||
| description = "Size which determines at what buffer position write call" | ||
| + " be blocked till acknowledgement of the first partial flush " | ||
| + "happens by all servers.", | ||
| tags = ConfigTag.CLIENT) | ||
| private long streamBufferMaxSize = 32 * 1024 * 1024; | ||
|
|
||
| @Config(key = "max.retries", | ||
| defaultValue = "5", | ||
| description = "Maximum number of retries by Ozone Client on " | ||
| + "encountering exception while writing a key", | ||
| tags = ConfigTag.CLIENT) | ||
| private int maxRetryCount = 5; | ||
|
|
||
| @Config(key = "retry.interval", | ||
| defaultValue = "0", | ||
| description = | ||
| "Indicates the time duration a client will wait before retrying a " | ||
| + "write key request on encountering an exception. By default " | ||
| + "there is no wait", | ||
| tags = ConfigTag.CLIENT) | ||
| private int retryInterval = 0; | ||
|
|
||
| @Config(key = "checksum.type", | ||
| defaultValue = "CRC32", | ||
| description = "The checksum type [NONE/ CRC32/ CRC32C/ SHA256/ MD5] " | ||
| + "determines which algorithm would be used to compute checksum for " | ||
| + "chunk data. Default checksum type is CRC32.", | ||
| tags = ConfigTag.CLIENT) | ||
| private String checksumType = ChecksumType.CRC32.name(); | ||
|
|
||
| @Config(key = "bytes.per.checksum", | ||
| defaultValue = "1MB", | ||
| type = ConfigType.SIZE, | ||
| description = "Checksum will be computed for every bytes per checksum " | ||
| + "number of bytes and stored sequentially. The minimum value for " | ||
| + "this config is 256KB.", | ||
| tags = ConfigTag.CLIENT) | ||
| private int bytesPerChecksum = 1024 * 1024; | ||
|
|
||
| @Config(key = "verify.checksum", | ||
| defaultValue = "true", | ||
| description = "Ozone client to verify checksum of the checksum " | ||
| + "blocksize data.", | ||
| tags = ConfigTag.CLIENT) | ||
| private boolean checksumVerify = true; | ||
|
|
||
| public OzoneClientConfig() { | ||
| } | ||
|
|
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| private void validate() { | ||
| Preconditions.checkState(streamBufferSize > 0); | ||
| Preconditions.checkState(streamBufferFlushSize > 0); | ||
| Preconditions.checkState(streamBufferMaxSize > 0); | ||
|
|
||
| Preconditions.checkState(streamBufferMaxSize % streamBufferFlushSize == 0, | ||
| "expected max. buffer size (%s) to be a multiple of flush size (%s)", | ||
| streamBufferMaxSize, streamBufferFlushSize); | ||
| Preconditions.checkState(streamBufferFlushSize % streamBufferSize == 0, | ||
| "expected flush size (%s) to be a multiple of buffer size (%s)", | ||
| streamBufferFlushSize, streamBufferSize); | ||
|
|
||
| if (bytesPerChecksum < | ||
| OzoneConfigKeys.OZONE_CLIENT_BYTES_PER_CHECKSUM_MIN_SIZE) { | ||
| LOG.warn("The checksum size ({}) is not allowed to be less than the " + | ||
| "minimum size ({}), resetting to the minimum size.", | ||
| bytesPerChecksum, | ||
| OzoneConfigKeys.OZONE_CLIENT_BYTES_PER_CHECKSUM_MIN_SIZE); | ||
| bytesPerChecksum = | ||
| OzoneConfigKeys.OZONE_CLIENT_BYTES_PER_CHECKSUM_MIN_SIZE; | ||
| } | ||
|
|
||
| } | ||
|
|
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| public long getStreamBufferFlushSize() { | ||
| return streamBufferFlushSize; | ||
| } | ||
|
|
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| public void setStreamBufferFlushSize(long streamBufferFlushSize) { | ||
| this.streamBufferFlushSize = streamBufferFlushSize; | ||
| } | ||
|
|
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| public int getStreamBufferSize() { | ||
| return streamBufferSize; | ||
| } | ||
|
|
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| public void setStreamBufferSize(int streamBufferSize) { | ||
| this.streamBufferSize = streamBufferSize; | ||
| } | ||
|
|
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| public boolean isStreamBufferFlushDelay() { | ||
| return streamBufferFlushDelay; | ||
| } | ||
|
|
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| public void setStreamBufferFlushDelay(boolean streamBufferFlushDelay) { | ||
| this.streamBufferFlushDelay = streamBufferFlushDelay; | ||
| } | ||
|
|
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| public long getStreamBufferMaxSize() { | ||
| return streamBufferMaxSize; | ||
| } | ||
|
|
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| public void setStreamBufferMaxSize(long streamBufferMaxSize) { | ||
| this.streamBufferMaxSize = streamBufferMaxSize; | ||
| } | ||
|
|
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| public int getMaxRetryCount() { | ||
| return maxRetryCount; | ||
| } | ||
|
|
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| public void setMaxRetryCount(int maxRetryCount) { | ||
| this.maxRetryCount = maxRetryCount; | ||
| } | ||
|
|
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| public int getRetryInterval() { | ||
| return retryInterval; | ||
| } | ||
|
|
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| public void setRetryInterval(int retryInterval) { | ||
| this.retryInterval = retryInterval; | ||
| } | ||
|
|
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| public ChecksumType getChecksumType() { | ||
| return ChecksumType.valueOf(checksumType); | ||
| } | ||
|
|
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| public void setChecksumType(ChecksumType checksumType) { | ||
| this.checksumType = checksumType.name(); | ||
| } | ||
|
|
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| public int getBytesPerChecksum() { | ||
| return bytesPerChecksum; | ||
| } | ||
|
|
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| public void setBytesPerChecksum(int bytesPerChecksum) { | ||
| this.bytesPerChecksum = bytesPerChecksum; | ||
| } | ||
|
|
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| public boolean isChecksumVerify() { | ||
| return checksumVerify; | ||
| } | ||
|
|
||
| public void setChecksumVerify(boolean checksumVerify) { | ||
| this.checksumVerify = checksumVerify; | ||
| } | ||
|
|
||
| } |
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