index int64 0 10.7k | class stringclasses 867 values | comment_sentence stringlengths 1 1.78k | partition int64 0 0 | combo stringlengths 17 1.81k | labels listlengths 7 7 |
|---|---|---|---|---|---|
5,734 | NNThroughputBenchmark.java | List file status statistics.
*
* Measure how many get-file-status calls the name-node can handle per second. | 0 | List file status statistics.
*
* Measure how many get-file-status calls the name-node can handle per second. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,735 | NNThroughputBenchmark.java | Operation types | 0 | Operation types | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,736 | NNThroughputBenchmark.java | Rename file statistics.
*
* Measure how many rename calls the name-node can handle per second. | 0 | Rename file statistics.
*
* Measure how many rename calls the name-node can handle per second. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,737 | NNThroughputBenchmark.java | Operation types | 0 | Operation types | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,738 | NNThroughputBenchmark.java | Minimal data-node simulator. | 0 | Minimal data-node simulator. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,739 | NNThroughputBenchmark.java | //only one storage | 0 | //only one storage | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,740 | NNThroughputBenchmark.java | // actual number of blocks | 0 | // actual number of blocks | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,741 | NNThroughputBenchmark.java | // get versions from the namenode | 0 | // get versions from the namenode | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,742 | NNThroughputBenchmark.java | // register datanode | 0 | // register datanode | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,743 | NNThroughputBenchmark.java | //first block reports | 0 | //first block reports | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,744 | NNThroughputBenchmark.java | Send a heartbeat to the name-node.
* Ignore reply commands. | 0 | Send a heartbeat to the name-node.
* Ignore reply commands. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,745 | NNThroughputBenchmark.java | // register datanode | 0 | // register datanode | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,746 | NNThroughputBenchmark.java | // fill remaining slots with blocks that do not exist | 0 | // fill remaining slots with blocks that do not exist | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,747 | NNThroughputBenchmark.java | * Send a heartbeat to the name-node and replicate blocks if requested. | 0 | * Send a heartbeat to the name-node and replicate blocks if requested. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,748 | NNThroughputBenchmark.java | // keep it for future blockReceived benchmark | 0 | // keep it for future blockReceived benchmark | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,749 | NNThroughputBenchmark.java | // register datanode | 0 | // register datanode | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,750 | NNThroughputBenchmark.java | // Send a copy of a block to another datanode | 0 | // Send a copy of a block to another datanode | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,751 | NNThroughputBenchmark.java | Transfer blocks to another data-node.
* Just report on behalf of the other data-node
* that the blocks have been received. | 0 | Transfer blocks to another data-node.
* Just report on behalf of the other data-node
* that the blocks have been received. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,752 | NNThroughputBenchmark.java | Block report statistics.
*
* Each thread here represents its own data-node.
* Data-nodes send the same block report each time.
* The block report may contain missing or non-existing blocks. | 0 | Block report statistics.
*
* Each thread here represents its own data-node.
* Data-nodes send the same block report each time.
* The block report may contain missing or non-existing blocks. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,753 | NNThroughputBenchmark.java | // array of data-nodes sorted by name | 0 | // array of data-nodes sorted by name | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,754 | NNThroughputBenchmark.java | // set heartbeat interval to 3 min, so that expiration were 40 min | 0 | // set heartbeat interval to 3 min, so that expiration were 40 min | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,755 | NNThroughputBenchmark.java | // adjust replication to the number of data-nodes | 0 | // adjust replication to the number of data-nodes | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,756 | NNThroughputBenchmark.java | // parse command line | 0 | // parse command line | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,757 | NNThroughputBenchmark.java | // create data-nodes | 0 | // create data-nodes | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,758 | NNThroughputBenchmark.java | // create files | 0 | // create files | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,759 | NNThroughputBenchmark.java | // prepare block reports | 0 | // prepare block reports | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,760 | NNThroughputBenchmark.java | // IBRs are asynchronously processed by NameNode. The next
// ClientProtocol#addBlock() may throw NotReplicatedYetException. | 0 | // IBRs are asynchronously processed by NameNode. The next
// ClientProtocol#addBlock() may throw NotReplicatedYetException. | NNThroughputBenchmark.java | [
0,
0,
0,
0,
0,
0,
1
] |
5,761 | NNThroughputBenchmark.java | Retry ClientProtocol.addBlock() if it throws NotReplicatedYetException.
* Because addBlock() also commits the previous block,
* it fails if enough IBRs are not processed by NameNode.
*/ | 0 | Retry ClientProtocol.addBlock() if it throws NotReplicatedYetException.
* Because addBlock() also commits the previous block,
* it fails if enough IBRs are not processed by NameNode.
*/ | NNThroughputBenchmark.java | [
1,
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5,762 | NNThroughputBenchmark.java | * Does not require the argument | 0 | * Does not require the argument | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,763 | NNThroughputBenchmark.java | Measures how fast replication monitor can compute data-node work.
*
* It runs only one thread until no more work can be scheduled. | 0 | Measures how fast replication monitor can compute data-node work.
*
* It runs only one thread until no more work can be scheduled. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,764 | NNThroughputBenchmark.java | // parse command line | 0 | // parse command line | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,765 | NNThroughputBenchmark.java | // start data-nodes; create a bunch of files; generate block reports. | 0 | // start data-nodes; create a bunch of files; generate block reports. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,766 | NNThroughputBenchmark.java | // stop replication monitor | 0 | // stop replication monitor | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,767 | NNThroughputBenchmark.java | // report blocks once | 0 | // report blocks once | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,768 | NNThroughputBenchmark.java | // decommission data-nodes | 0 | // decommission data-nodes | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,769 | NNThroughputBenchmark.java | // set node replication limit | 0 | // set node replication limit | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,770 | NNThroughputBenchmark.java | Does not require the argument | 0 | Does not require the argument | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,771 | NNThroughputBenchmark.java | // compute data-node work | 0 | // compute data-node work | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,772 | NNThroughputBenchmark.java | @param aArgs command line parameters | 0 | @param aArgs command line parameters | NNThroughputBenchmark.java | [
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0,
0
] |
5,773 | NNThroughputBenchmark.java | Main method of the benchmark. | 0 | Main method of the benchmark. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,774 | NNThroughputBenchmark.java | // Start the NameNode | 0 | // Start the NameNode | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,775 | NNThroughputBenchmark.java | // run each benchmark | 0 | // run each benchmark | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,776 | NNThroughputBenchmark.java | // print statistics | 0 | // print statistics | NNThroughputBenchmark.java | [
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0,
0,
0,
0,
0,
0
] |
5,777 | NNThroughputBenchmark.java | // Configurable | 0 | // Configurable | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,778 | NNThroughputBenchmark.java | // Configurable | 0 | // Configurable | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,779 | NNThroughputBenchmark.java | @link Level#ERROR | 0 | @link Level#ERROR | NNThroughputBenchmark.java | [
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0,
1,
0,
0
] |
5,780 | NNThroughputBenchmark.java | @link NameNodeRpcServer#refreshUserToGroupsMappings | 0 | @link NameNodeRpcServer#refreshUserToGroupsMappings | NNThroughputBenchmark.java | [
0,
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1,
0,
0
] |
5,781 | NNThroughputBenchmark.java | @docRoot | 0 | @docRoot | NNThroughputBenchmark.java | [
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1,
0,
0
] |
5,782 | NNThroughputBenchmark.java | Main class for a series of name-node benchmarks.
*
* Each benchmark measures throughput and average execution time
* of a specific name-node operation, e.g. file creation or block reports. | 0 | Main class for a series of name-node benchmarks.
*
* Each benchmark measures throughput and average execution time
* of a specific name-node operation, e.g. file creation or block reports. | NNThroughputBenchmark.java | [
1,
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5,783 | NNThroughputBenchmark.java | The benchmark does not involve any other hadoop components
* except for the name-node. Each operation is executed
* by calling directly the respective name-node method.
* The name-node here is real all other components are simulated.
*
* This benchmark supports
* <a href="{@docRoot}/../hadoop-project-dist/hadoop-common/CommandsManual.html#Generic_Options">
* standard command-line options</a>. If you use remote namenode by <tt>-fs</tt>
* option, its config <tt>dfs.namenode.fs-limits.min-block-size</tt> should be
* set as 16.
*
* Command line arguments for the benchmark include:
* <ol>
* <li>total number of operations to be performed,</li>
* <li>number of threads to run these operations,</li>
* <li>followed by operation specific input parameters.</li>
* <li>-logLevel L specifies the logging level when the benchmark runs.
* The default logging level is {@link Level#ERROR}.</li>
* <li>-UGCacheRefreshCount G will cause the benchmark to call
* {@link NameNodeRpcServer#refreshUserToGroupsMappings} after
* every G operations, which purges the name-node's user group cache.
* By default the refresh is never called.</li>
* <li>-keepResults do not clean up the name-space after execution.</li>
* <li>-useExisting do not recreate the name-space, use existing data.</li>
* </ol>
*
* The benchmark first generates inputs for each thread so that the
* input generation overhead does not effect the resulting statistics.
* The number of operations performed by threads is practically the same.
* Precisely, the difference between the number of operations
* performed by any two threads does not exceed 1.
*
* Then the benchmark executes the specified number of operations using
* the specified number of threads and outputs the resulting stats. | 0 | The benchmark does not involve any other hadoop components
* except for the name-node. Each operation is executed
* by calling directly the respective name-node method.
* The name-node here is real all other components are simulated.
*
* This benchmark supports
* <a href="{@docRoot}/../hadoop-project-dist/hadoop-common/CommandsManual.html#Generic_Options">
* standard command-line options</a>. If you use remote namenode by <tt>-fs</tt>
* option, its config <tt>dfs.namenode.fs-limits.min-block-size</tt> should be
* set as 16.
*
* Command line arguments for the benchmark include:
* <ol>
* <li>total number of operations to be performed,</li>
* <li>number of threads to run these operations,</li>
* <li>followed by operation specific input parameters.</li>
* <li>-logLevel L specifies the logging level when the benchmark runs.
* The default logging level is {@link Level#ERROR}.</li>
* <li>-UGCacheRefreshCount G will cause the benchmark to call
* {@link NameNodeRpcServer#refreshUserToGroupsMappings} after
* every G operations, which purges the name-node's user group cache.
* By default the refresh is never called.</li>
* <li>-keepResults do not clean up the name-space after execution.</li>
* <li>-useExisting do not recreate the name-space, use existing data.</li>
* </ol>
*
* The benchmark first generates inputs for each thread so that the
* input generation overhead does not effect the resulting statistics.
* The number of operations performed by threads is practically the same.
* Precisely, the difference between the number of operations
* performed by any two threads does not exceed 1.
*
* Then the benchmark executes the specified number of operations using
* the specified number of threads and outputs the resulting stats. | NNThroughputBenchmark.java | [
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] |
5,784 | NNThroughputBenchmark.java | // We do not need many handlers, since each thread simulates a handler
// by calling name-node methods directly | 0 | // We do not need many handlers, since each thread simulates a handler
// by calling name-node methods directly | NNThroughputBenchmark.java | [
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5,785 | NNThroughputBenchmark.java | // Turn off minimum block size verification | 0 | // Turn off minimum block size verification | NNThroughputBenchmark.java | [
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0
] |
5,786 | NNThroughputBenchmark.java | // set exclude file | 0 | // set exclude file | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,787 | NNThroughputBenchmark.java | // change log level to NameNode logs | 0 | // change log level to NameNode logs | NNThroughputBenchmark.java | [
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0,
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0
] |
5,788 | NNThroughputBenchmark.java | Base class for collecting operation statistics.
*
* Overload this class in order to run statistics for a
* specific name-node operation. | 0 | Base class for collecting operation statistics.
*
* Overload this class in order to run statistics for a
* specific name-node operation. | NNThroughputBenchmark.java | [
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5,789 | NNThroughputBenchmark.java | // number of threads | 0 | // number of threads | NNThroughputBenchmark.java | [
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0
] |
5,790 | NNThroughputBenchmark.java | // number of operations requested | 0 | // number of operations requested | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,791 | NNThroughputBenchmark.java | // number of operations executed | 0 | // number of operations executed | NNThroughputBenchmark.java | [
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0,
0,
0
] |
5,792 | NNThroughputBenchmark.java | // sum of times for each op | 0 | // sum of times for each op | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,793 | NNThroughputBenchmark.java | // time from start to finish | 0 | // time from start to finish | NNThroughputBenchmark.java | [
1,
0,
0,
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0,
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0
] |
5,794 | NNThroughputBenchmark.java | // don't clean base directory on exit | 0 | // don't clean base directory on exit | NNThroughputBenchmark.java | [
1,
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0
] |
5,795 | NNThroughputBenchmark.java | // logging level, ERROR by default | 0 | // logging level, ERROR by default | NNThroughputBenchmark.java | [
1,
0,
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0,
0,
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0
] |
5,796 | NNThroughputBenchmark.java | // user group cache refresh count | 0 | // user group cache refresh count | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,797 | NNThroughputBenchmark.java | * Operation name. | 0 | * Operation name. | NNThroughputBenchmark.java | [
1,
0,
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0,
0
] |
5,798 | NNThroughputBenchmark.java | * Parse command line arguments. | 0 | * Parse command line arguments. | NNThroughputBenchmark.java | [
1,
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0
] |
5,799 | NNThroughputBenchmark.java | * Generate inputs for each daemon thread. | 0 | * Generate inputs for each daemon thread. | NNThroughputBenchmark.java | [
1,
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0,
0,
0,
0,
0
] |
5,800 | NNThroughputBenchmark.java | This corresponds to the arg1 argument of
* {@link #executeOp(int, int, String)}, which can have different meanings
* depending on the operation performed. | 0 | This corresponds to the arg1 argument of
* {@link #executeOp(int, int, String)}, which can have different meanings
* depending on the operation performed. | NNThroughputBenchmark.java | [
1,
0,
0,
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0
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5,801 | NNThroughputBenchmark.java | * Execute name-node operation. | 0 | * Execute name-node operation. | NNThroughputBenchmark.java | [
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0,
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0,
0,
0,
0
] |
5,802 | NNThroughputBenchmark.java | * Print the results of the benchmarking. | 0 | * Print the results of the benchmarking. | NNThroughputBenchmark.java | [
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0
] |
5,803 | NNThroughputBenchmark.java | // thread index < nrThreads | 0 | // thread index < nrThreads | NNThroughputBenchmark.java | [
1,
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0,
0
] |
5,804 | NNThroughputBenchmark.java | // execute in a separate thread | 0 | // execute in a separate thread | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,805 | NNThroughputBenchmark.java | // if numThreads > numOpsRequired then the remaining threads will do nothing | 0 | // if numThreads > numOpsRequired then the remaining threads will do nothing | NNThroughputBenchmark.java | [
1,
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0
] |
5,806 | NNThroughputBenchmark.java | // try {Thread.sleep(500);} catch (InterruptedException e) {} | 0 | // try {Thread.sleep(500);} catch (InterruptedException e) {} | NNThroughputBenchmark.java | [
1,
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5,807 | NNThroughputBenchmark.java | * @param args arguments | 0 | * @param args arguments | NNThroughputBenchmark.java | [
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5,808 | NNThroughputBenchmark.java | * @param opsPerThread number of inputs for each thread. | 0 | * @param opsPerThread number of inputs for each thread. | NNThroughputBenchmark.java | [
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] |
5,809 | NNThroughputBenchmark.java | * @param daemonId id of the daemon calling this method | 0 | * @param daemonId id of the daemon calling this method | NNThroughputBenchmark.java | [
0,
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] |
5,810 | NNThroughputBenchmark.java | * @param daemonId id of the daemon calling this method. | 0 | * @param daemonId id of the daemon calling this method. | NNThroughputBenchmark.java | [
0,
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1,
0,
0,
0
] |
5,811 | NNThroughputBenchmark.java | * @param inputIdx serial index of the operation called by the deamon. | 0 | * @param inputIdx serial index of the operation called by the deamon. | NNThroughputBenchmark.java | [
0,
0,
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1,
0,
0,
0
] |
5,812 | NNThroughputBenchmark.java | * @param arg1 operation specific argument. | 0 | * @param arg1 operation specific argument. | NNThroughputBenchmark.java | [
0,
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0,
0
] |
5,813 | NNThroughputBenchmark.java | * @return time of the individual name-node call. | 0 | * @return time of the individual name-node call. | NNThroughputBenchmark.java | [
0,
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0
] |
5,814 | NNThroughputBenchmark.java | * @return the argument | 0 | * @return the argument | NNThroughputBenchmark.java | [
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0
] |
5,815 | NNThroughputBenchmark.java | @link #executeOp(int, int, String) | 0 | @link #executeOp(int, int, String) | NNThroughputBenchmark.java | [
0,
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0,
0
] |
5,816 | NNThroughputBenchmark.java | * Parse first 2 arguments, corresponding to the "-op" option. | 0 | * Parse first 2 arguments, corresponding to the "-op" option. | NNThroughputBenchmark.java | [
1,
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0,
0
] |
5,817 | NNThroughputBenchmark.java | @param args argument list | 0 | @param args argument list | NNThroughputBenchmark.java | [
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] |
5,818 | NNThroughputBenchmark.java | @return true if operation is all, which means that options not related
* to this operation should be ignored, or false otherwise, meaning
* that usage should be printed when an unrelated option is encountered. | 0 | @return true if operation is all, which means that options not related
* to this operation should be ignored, or false otherwise, meaning
* that usage should be printed when an unrelated option is encountered. | NNThroughputBenchmark.java | [
0,
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1,
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0
] |
5,819 | NNThroughputBenchmark.java | // process common options | 0 | // process common options | NNThroughputBenchmark.java | [
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0
] |
5,820 | NNThroughputBenchmark.java | * One of the threads that perform stats operations. | 0 | * One of the threads that perform stats operations. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,821 | NNThroughputBenchmark.java | // argument passed to executeOp() | 0 | // argument passed to executeOp() | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,822 | NNThroughputBenchmark.java | * Schedule to stop this daemon. | 0 | * Schedule to stop this daemon. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,823 | NNThroughputBenchmark.java | * Clean all benchmark result directories. | 0 | * Clean all benchmark result directories. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,824 | NNThroughputBenchmark.java | // Operation types | 0 | // Operation types | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,825 | NNThroughputBenchmark.java | // do nothing | 0 | // do nothing | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,826 | NNThroughputBenchmark.java | * Does not require the argument | 0 | * Does not require the argument | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,827 | NNThroughputBenchmark.java | * Remove entire benchmark directory. | 0 | * Remove entire benchmark directory. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,828 | NNThroughputBenchmark.java | File creation statistics.
*
* Each thread creates the same (+ or -1) number of files.
* File names are pre-generated during initialization.
* The created files do not have blocks. | 0 | File creation statistics.
*
* Each thread creates the same (+ or -1) number of files.
* File names are pre-generated during initialization.
* The created files do not have blocks. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,829 | NNThroughputBenchmark.java | // Operation types | 0 | // Operation types | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,830 | NNThroughputBenchmark.java | // parse command line | 0 | // parse command line | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,831 | NNThroughputBenchmark.java | * returns client name | 0 | * returns client name | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,832 | NNThroughputBenchmark.java | * Do file create. | 0 | * Do file create. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
5,833 | NNThroughputBenchmark.java | Directory creation statistics.
*
* Each thread creates the same (+ or -1) number of directories.
* Directory names are pre-generated during initialization. | 0 | Directory creation statistics.
*
* Each thread creates the same (+ or -1) number of directories.
* Directory names are pre-generated during initialization. | NNThroughputBenchmark.java | [
1,
0,
0,
0,
0,
0,
0
] |
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