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
|
|---|---|---|---|---|---|
8,466
|
TaskLogAppender.java
|
//so that log4j can configure it from the configuration(log4j.properties).
| 0
|
//so that log4j can configure it from the configuration(log4j.properties). | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,467
|
TaskLogAppender.java
|
// System properties passed in from JVM runner
| 0
|
// System properties passed in from JVM runner | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,468
|
TaskLogAppender.java
|
static final String ISCLEANUP_PROPERTY = "hadoop.tasklog.iscleanup";
static final String LOGSIZE_PROPERTY = "hadoop.tasklog.totalLogFileSize";
static final String TASKID_PROPERTY = "hadoop.tasklog.taskid";
| 0
|
static final String ISCLEANUP_PROPERTY = "hadoop.tasklog.iscleanup";
static final String LOGSIZE_PROPERTY = "hadoop.tasklog.totalLogFileSize";
static final String TASKID_PROPERTY = "hadoop.tasklog.taskid"; | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,469
|
TaskLogAppender.java
|
/**
* A simple log4j-appender for the task child's
* map-reduce system logs.
*
*/
| 0
|
/**
* A simple log4j-appender for the task child's
* map-reduce system logs.
*
*/ | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,470
|
TaskLogAppender.java
|
/**
* The Task Runner passes in the options as system properties. Set
* the options if the setters haven't already been called.
*/
| 0
|
/**
* The Task Runner passes in the options as system properties. Set
* the options if the setters haven't already been called.
*/ | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,471
|
TaskLogAppender.java
|
/**
* Getter/Setter methods for log4j.
*/
| 0
|
/**
* Getter/Setter methods for log4j.
*/ | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,472
|
TaskLogAppender.java
|
/**
* Set whether the task is a cleanup attempt or not.
*
* @param isCleanup
* true if the task is cleanup attempt, false otherwise.
*/
| 0
|
/**
* Set whether the task is a cleanup attempt or not.
*
* @param isCleanup
* true if the task is cleanup attempt, false otherwise.
*/ | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,473
|
TaskLogAppender.java
|
/**
* Get whether task is cleanup attempt or not.
*
* @return true if the task is cleanup attempt, false otherwise.
*/
| 0
|
/**
* Get whether task is cleanup attempt or not.
*
* @return true if the task is cleanup attempt, false otherwise.
*/ | TaskLogAppender.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,474
|
BlockPoolSliceStorage.java
|
/**
* Create a rolling upgrade marker file for each BP storage root, if it
* does not exist already.
*/
| 0
|
/**
* Create a rolling upgrade marker file for each BP storage root, if it
* does not exist already.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,475
|
BlockPoolSliceStorage.java
|
/**
* Check whether the rolling upgrade marker file exists for each BP storage
* root. If it does exist, then the marker file is cleared and more
* importantly the layout upgrade is finalized.
*/
| 0
|
/**
* Check whether the rolling upgrade marker file exists for each BP storage
* root. If it does exist, then the marker file is cleared and more
* importantly the layout upgrade is finalized.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,476
|
BlockPoolSliceStorage.java
|
/** trash is enabled if at least one storage directory contains trash root */
| 0
|
/** trash is enabled if at least one storage directory contains trash root */ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,477
|
BlockPoolSliceStorage.java
|
* Delete all files and directories in the trash directories.
| 0
|
* Delete all files and directories in the trash directories. | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,478
|
BlockPoolSliceStorage.java
|
* @return the target directory to restore a previously deleted block file.
| 0
|
* @return the target directory to restore a previously deleted block file. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,479
|
BlockPoolSliceStorage.java
|
* @return the trash directory for a given block file that is being deleted.
| 0
|
* @return the trash directory for a given block file that is being deleted. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,480
|
BlockPoolSliceStorage.java
|
* @return root directory for block pool storage
| 0
|
* @return root directory for block pool storage | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,481
|
BlockPoolSliceStorage.java
|
* @param dnCurDir data node storage root directory
| 0
|
* @param dnCurDir data node storage root directory | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,482
|
BlockPoolSliceStorage.java
|
* @param bpID block pool ID
| 0
|
* @param bpID block pool ID | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,483
|
BlockPoolSliceStorage.java
|
* @param fromDir directory where the snapshot is stored
| 0
|
* @param fromDir directory where the snapshot is stored | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,484
|
BlockPoolSliceStorage.java
|
* @param toDir the current data directory
| 0
|
* @param toDir the current data directory | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,485
|
BlockPoolSliceStorage.java
|
* @param bpSd Block pool storage directory at <SD>/current/<bpid>
| 0
|
* @param bpSd Block pool storage directory at <SD>/current/<bpid> | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,486
|
BlockPoolSliceStorage.java
|
* @param detachDir detach directory
| 0
|
* @param detachDir detach directory | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,487
|
BlockPoolSliceStorage.java
|
* @param bpSd storage directory <SD>/current/<bpid>
| 0
|
* @param bpSd storage directory <SD>/current/<bpid> | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,488
|
BlockPoolSliceStorage.java
|
* @param nsInfo Namespace Info from the namenode
| 0
|
* @param nsInfo Namespace Info from the namenode | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,489
|
BlockPoolSliceStorage.java
|
* @param sd storage directory <SD>/current/<bpid>
| 0
|
* @param sd storage directory <SD>/current/<bpid> | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,490
|
BlockPoolSliceStorage.java
|
* @param nsInfo namespace info
| 0
|
* @param nsInfo namespace info | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,491
|
BlockPoolSliceStorage.java
|
* @param startOpt startup option
| 0
|
* @param startOpt startup option | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,492
|
BlockPoolSliceStorage.java
|
* @return true if the new properties has been written.
| 0
|
* @return true if the new properties has been written. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,493
|
BlockPoolSliceStorage.java
|
@param absPathToRemove the absolute path of the root for the block pool
* level storage to remove.
| 0
|
@param absPathToRemove the absolute path of the root for the block pool
* level storage to remove. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,494
|
BlockPoolSliceStorage.java
|
* @param bpSdir the block pool storage
| 0
|
* @param bpSdir the block pool storage | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,495
|
BlockPoolSliceStorage.java
|
* @param nsInfo the name space info
| 0
|
* @param nsInfo the name space info | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,496
|
BlockPoolSliceStorage.java
|
* @param dnCurDir DataStorage current directory
| 0
|
* @param dnCurDir DataStorage current directory | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,497
|
BlockPoolSliceStorage.java
|
* @param nsInfo the name space info
| 0
|
* @param nsInfo the name space info | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,498
|
BlockPoolSliceStorage.java
|
* @param nsInfo namespace information
| 0
|
* @param nsInfo namespace information | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,499
|
BlockPoolSliceStorage.java
|
* @param dataDirs storage directories of block pool
| 0
|
* @param dataDirs storage directories of block pool | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,500
|
BlockPoolSliceStorage.java
|
* @param startOpt startup option
| 0
|
* @param startOpt startup option | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,501
|
BlockPoolSliceStorage.java
|
* @param nsInfo namespace information
| 0
|
* @param nsInfo namespace information | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,502
|
BlockPoolSliceStorage.java
|
* @param dataDirs storage directories of block pool
| 0
|
* @param dataDirs storage directories of block pool | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,503
|
BlockPoolSliceStorage.java
|
* @param startOpt startup option
| 0
|
* @param startOpt startup option | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,504
|
BlockPoolSliceStorage.java
|
* @return an array of loaded block pool directories.
| 0
|
* @return an array of loaded block pool directories. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,505
|
BlockPoolSliceStorage.java
|
* @param nsInfo namespace information
| 0
|
* @param nsInfo namespace information | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,506
|
BlockPoolSliceStorage.java
|
* @param dataDir the root path of the storage directory
| 0
|
* @param dataDir the root path of the storage directory | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,507
|
BlockPoolSliceStorage.java
|
* @param startOpt startup option
| 0
|
* @param startOpt startup option | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,508
|
BlockPoolSliceStorage.java
|
* @return the StorageDirectory successfully loaded.
| 0
|
* @return the StorageDirectory successfully loaded. | BlockPoolSliceStorage.java
|
[
0,
0,
0,
1,
0,
0,
0
] |
8,509
|
BlockPoolSliceStorage.java
|
@see Storage
| 0
|
@see Storage | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
1,
0,
0
] |
8,510
|
BlockPoolSliceStorage.java
|
/**
* A marker file that is created on each root directory if a rolling upgrade
* is in progress. The NN does not inform the DN when a rolling upgrade is
* finalized. All the DN can infer is whether or not a rolling upgrade is
* currently in progress. When the rolling upgrade is not in progress:
* 1. If the marker file is present, then a rolling upgrade just completed.
* If a 'previous' directory exists, it can be deleted now.
* 2. If the marker file is absent, then a regular upgrade may be in
* progress. Do not delete the 'previous' directory.
*/
| 0
|
/**
* A marker file that is created on each root directory if a rolling upgrade
* is in progress. The NN does not inform the DN when a rolling upgrade is
* finalized. All the DN can infer is whether or not a rolling upgrade is
* currently in progress. When the rolling upgrade is not in progress:
* 1. If the marker file is present, then a rolling upgrade just completed.
* If a 'previous' directory exists, it can be deleted now.
* 2. If the marker file is absent, then a regular upgrade may be in
* progress. Do not delete the 'previous' directory.
*/ | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
0,
0,
1
] |
8,511
|
BlockPoolSliceStorage.java
|
// Expose visibility for VolumeBuilder#commit().
| 0
|
// Expose visibility for VolumeBuilder#commit(). | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,512
|
BlockPoolSliceStorage.java
|
/**
* Get a target subdirectory under current/ for a given block file that is being
* restored from trash.
*
* The subdirectory structure under trash/ mirrors that under current/ to keep
* implicit memory of where the files are to be restored.
*
* @return the target directory to restore a previously deleted block file.
*/
| 0
|
/**
* Get a target subdirectory under current/ for a given block file that is being
* restored from trash.
*
* The subdirectory structure under trash/ mirrors that under current/ to keep
* implicit memory of where the files are to be restored.
*
* @return the target directory to restore a previously deleted block file.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,513
|
BlockPoolSliceStorage.java
|
/**
* Get a target subdirectory under trash/ for a given block file that is being
* deleted.
*
* The subdirectory structure under trash/ mirrors that under current/ to keep
* implicit memory of where the files are to be restored (if necessary).
*
* @return the trash directory for a given block file that is being deleted.
*/
| 0
|
/**
* Get a target subdirectory under trash/ for a given block file that is being
* deleted.
*
* The subdirectory structure under trash/ mirrors that under current/ to keep
* implicit memory of where the files are to be restored (if necessary).
*
* @return the trash directory for a given block file that is being deleted.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,514
|
BlockPoolSliceStorage.java
|
/**
* Determine whether we can use trash for the given blockFile. Trash
* is disallowed if a 'previous' directory exists for the
* storage directory containing the block.
*/
| 0
|
/**
* Determine whether we can use trash for the given blockFile. Trash
* is disallowed if a 'previous' directory exists for the
* storage directory containing the block.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,515
|
BlockPoolSliceStorage.java
|
/**
* Get a block pool storage root based on data node storage root
* @param bpID block pool ID
* @param dnCurDir data node storage root directory
* @return root directory for block pool storage
*/
| 0
|
/**
* Get a block pool storage root based on data node storage root
* @param bpID block pool ID
* @param dnCurDir data node storage root directory
* @return root directory for block pool storage
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,516
|
BlockPoolSliceStorage.java
|
// return the data node root directory
| 0
|
// return the data node root directory | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,517
|
BlockPoolSliceStorage.java
|
/**
* gets the data node storage directory based on block pool storage
*/
| 0
|
/**
* gets the data node storage directory based on block pool storage
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,518
|
BlockPoolSliceStorage.java
|
// do the link
// hardlink finalized blocks in tmpDir
| 0
|
// do the link
// hardlink finalized blocks in tmpDir | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,519
|
BlockPoolSliceStorage.java
|
/**
* Hardlink all finalized and RBW blocks in fromDir to toDir
*
* @param fromDir directory where the snapshot is stored
* @param toDir the current data directory
* @throws IOException if error occurs during hardlink
*/
| 0
|
/**
* Hardlink all finalized and RBW blocks in fromDir to toDir
*
* @param fromDir directory where the snapshot is stored
* @param toDir the current data directory
* @throws IOException if error occurs during hardlink
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,520
|
BlockPoolSliceStorage.java
|
// delete finalized.tmp dir in a separate thread
| 0
|
// delete finalized.tmp dir in a separate thread | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,521
|
BlockPoolSliceStorage.java
|
// rename previous to finalized.tmp
| 0
|
// rename previous to finalized.tmp | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,522
|
BlockPoolSliceStorage.java
|
// already finalized
| 0
|
// already finalized | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,523
|
BlockPoolSliceStorage.java
|
// block pool level previous directory
| 0
|
// block pool level previous directory | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,524
|
BlockPoolSliceStorage.java
|
/*
* Finalize the block pool storage by deleting <BP>/previous directory
* that holds the snapshot.
*/
| 0
|
/*
* Finalize the block pool storage by deleting <BP>/previous directory
* that holds the snapshot.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,525
|
BlockPoolSliceStorage.java
|
// 3. delete removed.tmp dir
| 0
|
// 3. delete removed.tmp dir | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,526
|
BlockPoolSliceStorage.java
|
// 2. rename previous to current
| 0
|
// 2. rename previous to current | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,527
|
BlockPoolSliceStorage.java
|
// 1. rename current to tmp
| 0
|
// 1. rename current to tmp | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,528
|
BlockPoolSliceStorage.java
|
// We allow rollback to a state, which is either consistent with
// the namespace state or can be further upgraded to it.
// In another word, we can only roll back when ( storedLV >= software LV)
// && ( DN.previousCTime <= NN.ctime)
| 0
|
// We allow rollback to a state, which is either consistent with
// the namespace state or can be further upgraded to it.
// In another word, we can only roll back when ( storedLV >= software LV)
// && ( DN.previousCTime <= NN.ctime) | BlockPoolSliceStorage.java
|
[
0,
0,
1,
0,
0,
0,
0
] |
8,529
|
BlockPoolSliceStorage.java
|
// 4.rename <SD>/current/<bpid>/previous.tmp to
// <SD>/current/<bpid>/previous
| 0
|
// 4.rename <SD>/current/<bpid>/previous.tmp to
// <SD>/current/<bpid>/previous | BlockPoolSliceStorage.java
|
[
0,
0,
1,
0,
0,
0,
0
] |
8,530
|
BlockPoolSliceStorage.java
|
// 2. Rename <SD>/current/<bpid>/current to
// <SD>/current/<bpid>/previous.tmp
| 0
|
// 2. Rename <SD>/current/<bpid>/current to
// <SD>/current/<bpid>/previous.tmp | BlockPoolSliceStorage.java
|
[
0,
0,
1,
0,
0,
0,
0
] |
8,531
|
BlockPoolSliceStorage.java
|
// If <SD>/previous directory exists delete it
| 0
|
// If <SD>/previous directory exists delete it | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
0,
0,
1
] |
8,532
|
BlockPoolSliceStorage.java
|
<ol>
* <li>If <SD>/current/<bpid>/previous exists then delete it</li>
* <li>Rename <SD>/current/<bpid>/current to
* <SD>/current/bpid/current/previous.tmp</li>
* <li>Create new <SD>current/<bpid>/current directory</li>
* <ol>
* <li>Hard links for block files are created from previous.tmp to current</li>
* <li>Save new version file in current directory</li>
* </ol>
* <li>Rename previous.tmp to previous</li> </ol>
| 0
|
<ol>
* <li>If <SD>/current/<bpid>/previous exists then delete it</li>
* <li>Rename <SD>/current/<bpid>/current to
* <SD>/current/bpid/current/previous.tmp</li>
* <li>Create new <SD>current/<bpid>/current directory</li>
* <ol>
* <li>Hard links for block files are created from previous.tmp to current</li>
* <li>Save new version file in current directory</li>
* </ol>
* <li>Rename previous.tmp to previous</li> </ol> | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
0,
0,
1
] |
8,533
|
BlockPoolSliceStorage.java
|
Rollback if previousLV >= LAYOUT_VERSION && prevCTime <= namenode.cTime.
* Upgrade if this.LV > LAYOUT_VERSION || this.cTime < namenode.cTime Regular
* startup if this.LV = LAYOUT_VERSION && this.cTime = namenode.cTime
| 0
|
Rollback if previousLV >= LAYOUT_VERSION && prevCTime <= namenode.cTime.
* Upgrade if this.LV > LAYOUT_VERSION || this.cTime < namenode.cTime Regular
* startup if this.LV = LAYOUT_VERSION && this.cTime = namenode.cTime | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
0,
0,
1
] |
8,534
|
BlockPoolSliceStorage.java
|
/**
* Manages storage for the set of BlockPoolSlices which share a particular
* block pool id, on this DataNode.
*
* This class supports the following functionality:
* <ol>
* <li> Formatting a new block pool storage</li>
* <li> Recovering a storage state to a consistent state (if possible></li>
* <li> Taking a snapshot of the block pool during upgrade</li>
* <li> Rolling back a block pool to a previous snapshot</li>
* <li> Finalizing block storage by deletion of a snapshot</li>
* </ul>
*
* @see Storage
*/
| 0
|
/**
* Manages storage for the set of BlockPoolSlices which share a particular
* block pool id, on this DataNode.
*
* This class supports the following functionality:
* <ol>
* <li> Formatting a new block pool storage</li>
* <li> Recovering a storage state to a consistent state (if possible></li>
* <li> Taking a snapshot of the block pool during upgrade</li>
* <li> Rolling back a block pool to a previous snapshot</li>
* <li> Finalizing block storage by deletion of a snapshot</li>
* </ul>
*
* @see Storage
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,535
|
BlockPoolSliceStorage.java
|
// id of the blockpool
| 0
|
// id of the blockpool | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,536
|
BlockPoolSliceStorage.java
|
/**
* These maps are used as an optimization to avoid one filesystem operation
* per storage on each heartbeat response.
*/
| 0
|
/**
* These maps are used as an optimization to avoid one filesystem operation
* per storage on each heartbeat response.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,537
|
BlockPoolSliceStorage.java
|
/**
* Load one storage directory. Recover from previous transitions if required.
*
* @param nsInfo namespace information
* @param dataDir the root path of the storage directory
* @param startOpt startup option
* @return the StorageDirectory successfully loaded.
* @throws IOException
*/
| 0
|
/**
* Load one storage directory. Recover from previous transitions if required.
*
* @param nsInfo namespace information
* @param dataDir the root path of the storage directory
* @param startOpt startup option
* @return the StorageDirectory successfully loaded.
* @throws IOException
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,538
|
BlockPoolSliceStorage.java
|
// format
| 0
|
// format | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,539
|
BlockPoolSliceStorage.java
|
// recovery part is common
| 0
|
// recovery part is common | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,540
|
BlockPoolSliceStorage.java
|
// 2. Do transitions
// Each storage directory is treated individually.
// During startup some of them can upgrade or roll back
// while others could be up-to-date for the regular startup.
| 0
|
// 2. Do transitions
// Each storage directory is treated individually.
// During startup some of them can upgrade or roll back
// while others could be up-to-date for the regular startup. | BlockPoolSliceStorage.java
|
[
0,
0,
1,
0,
0,
0,
0
] |
8,541
|
BlockPoolSliceStorage.java
|
/**
* Analyze and load storage directories. Recover from previous transitions if
* required.
*
* The block pool storages are either all analyzed or none of them is loaded.
* Therefore, a failure on loading any block pool storage results a faulty
* data volume.
*
* @param nsInfo namespace information
* @param dataDirs storage directories of block pool
* @param startOpt startup option
* @return an array of loaded block pool directories.
* @throws IOException on error
*/
| 0
|
/**
* Analyze and load storage directories. Recover from previous transitions if
* required.
*
* The block pool storages are either all analyzed or none of them is loaded.
* Therefore, a failure on loading any block pool storage results a faulty
* data volume.
*
* @param nsInfo namespace information
* @param dataDirs storage directories of block pool
* @param startOpt startup option
* @return an array of loaded block pool directories.
* @throws IOException on error
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,542
|
BlockPoolSliceStorage.java
|
// sd is locked but not opened
| 0
|
// sd is locked but not opened | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,543
|
BlockPoolSliceStorage.java
|
/**
* Analyze storage directories. Recover from previous transitions if required.
*
* The block pool storages are either all analyzed or none of them is loaded.
* Therefore, a failure on loading any block pool storage results a faulty
* data volume.
*
* @param nsInfo namespace information
* @param dataDirs storage directories of block pool
* @param startOpt startup option
* @throws IOException on error
*/
| 0
|
/**
* Analyze storage directories. Recover from previous transitions if required.
*
* The block pool storages are either all analyzed or none of them is loaded.
* Therefore, a failure on loading any block pool storage results a faulty
* data volume.
*
* @param nsInfo namespace information
* @param dataDirs storage directories of block pool
* @param startOpt startup option
* @throws IOException on error
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,544
|
BlockPoolSliceStorage.java
|
/**
* Format a block pool slice storage.
* @param dnCurDir DataStorage current directory
* @param nsInfo the name space info
* @throws IOException Signals that an I/O exception has occurred.
*/
| 0
|
/**
* Format a block pool slice storage.
* @param dnCurDir DataStorage current directory
* @param nsInfo the name space info
* @throws IOException Signals that an I/O exception has occurred.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,545
|
BlockPoolSliceStorage.java
|
/**
* Format a block pool slice storage.
* @param bpSdir the block pool storage
* @param nsInfo the name space info
* @throws IOException Signals that an I/O exception has occurred.
*/
| 0
|
/**
* Format a block pool slice storage.
* @param bpSdir the block pool storage
* @param nsInfo the name space info
* @throws IOException Signals that an I/O exception has occurred.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,546
|
BlockPoolSliceStorage.java
|
// create directory
| 0
|
// create directory | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,547
|
BlockPoolSliceStorage.java
|
/**
* Remove block pool level storage directory.
* @param absPathToRemove the absolute path of the root for the block pool
* level storage to remove.
*/
| 0
|
/**
* Remove block pool level storage directory.
* @param absPathToRemove the absolute path of the root for the block pool
* level storage to remove.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,548
|
BlockPoolSliceStorage.java
|
/**
* Set layoutVersion, namespaceID and blockpoolID into block pool storage
* VERSION file
*/
| 0
|
/**
* Set layoutVersion, namespaceID and blockpoolID into block pool storage
* VERSION file
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,549
|
BlockPoolSliceStorage.java
|
/** Validate and set block pool ID */
| 0
|
/** Validate and set block pool ID */ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,550
|
BlockPoolSliceStorage.java
|
/**
* Analyze whether a transition of the BP state is required and
* perform it if necessary.
* <br>
* Rollback if previousLV >= LAYOUT_VERSION && prevCTime <= namenode.cTime.
* Upgrade if this.LV > LAYOUT_VERSION || this.cTime < namenode.cTime Regular
* startup if this.LV = LAYOUT_VERSION && this.cTime = namenode.cTime
*
* @param sd storage directory <SD>/current/<bpid>
* @param nsInfo namespace info
* @param startOpt startup option
* @return true if the new properties has been written.
*/
| 0
|
/**
* Analyze whether a transition of the BP state is required and
* perform it if necessary.
* <br>
* Rollback if previousLV >= LAYOUT_VERSION && prevCTime <= namenode.cTime.
* Upgrade if this.LV > LAYOUT_VERSION || this.cTime < namenode.cTime Regular
* startup if this.LV = LAYOUT_VERSION && this.cTime = namenode.cTime
*
* @param sd storage directory <SD>/current/<bpid>
* @param nsInfo namespace info
* @param startOpt startup option
* @return true if the new properties has been written.
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,551
|
BlockPoolSliceStorage.java
|
// rollback if applicable
| 0
|
// rollback if applicable | BlockPoolSliceStorage.java
|
[
0,
0,
0,
0,
0,
0,
1
] |
8,552
|
BlockPoolSliceStorage.java
|
// Restore all the files in the trash. The restored files are retained
// during rolling upgrade rollback. They are deleted during rolling
// upgrade downgrade.
| 0
|
// Restore all the files in the trash. The restored files are retained
// during rolling upgrade rollback. They are deleted during rolling
// upgrade downgrade. | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,553
|
BlockPoolSliceStorage.java
|
// regular startup
| 0
|
// regular startup | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,554
|
BlockPoolSliceStorage.java
|
// upgrade
| 0
|
// upgrade | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,555
|
BlockPoolSliceStorage.java
|
// layoutVersion == LAYOUT_VERSION && this.cTime > nsInfo.cTime
// must shutdown
| 0
|
// layoutVersion == LAYOUT_VERSION && this.cTime > nsInfo.cTime
// must shutdown | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,556
|
BlockPoolSliceStorage.java
|
/**
* Upgrade to any release after 0.22 (0.22 included) release e.g. 0.22 => 0.23
* Upgrade procedure is as follows:
* <ol>
* <li>If <SD>/current/<bpid>/previous exists then delete it</li>
* <li>Rename <SD>/current/<bpid>/current to
* <SD>/current/bpid/current/previous.tmp</li>
* <li>Create new <SD>current/<bpid>/current directory</li>
* <ol>
* <li>Hard links for block files are created from previous.tmp to current</li>
* <li>Save new version file in current directory</li>
* </ol>
* <li>Rename previous.tmp to previous</li> </ol>
*
* @param bpSd storage directory <SD>/current/<bpid>
* @param nsInfo Namespace Info from the namenode
* @throws IOException on error
*/
| 0
|
/**
* Upgrade to any release after 0.22 (0.22 included) release e.g. 0.22 => 0.23
* Upgrade procedure is as follows:
* <ol>
* <li>If <SD>/current/<bpid>/previous exists then delete it</li>
* <li>Rename <SD>/current/<bpid>/current to
* <SD>/current/bpid/current/previous.tmp</li>
* <li>Create new <SD>current/<bpid>/current directory</li>
* <ol>
* <li>Hard links for block files are created from previous.tmp to current</li>
* <li>Save new version file in current directory</li>
* </ol>
* <li>Rename previous.tmp to previous</li> </ol>
*
* @param bpSd storage directory <SD>/current/<bpid>
* @param nsInfo Namespace Info from the namenode
* @throws IOException on error
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,557
|
BlockPoolSliceStorage.java
|
// Upgrading is applicable only to release with federation or after
| 0
|
// Upgrading is applicable only to release with federation or after | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,558
|
BlockPoolSliceStorage.java
|
// get <SD>/previous directory
| 0
|
// get <SD>/previous directory | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,559
|
BlockPoolSliceStorage.java
|
// 1. Delete <SD>/current/<bpid>/previous dir before upgrading
| 0
|
// 1. Delete <SD>/current/<bpid>/previous dir before upgrading | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,560
|
BlockPoolSliceStorage.java
|
// 3. Create new <SD>/current with block files hardlinks and VERSION
| 0
|
// 3. Create new <SD>/current with block files hardlinks and VERSION | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,561
|
BlockPoolSliceStorage.java
|
/**
* Cleanup the detachDir.
*
* If the directory is not empty report an error; Otherwise remove the
* directory.
*
* @param detachDir detach directory
* @throws IOException if the directory is not empty or it can not be removed
*/
| 0
|
/**
* Cleanup the detachDir.
*
* If the directory is not empty report an error; Otherwise remove the
* directory.
*
* @param detachDir detach directory
* @throws IOException if the directory is not empty or it can not be removed
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,562
|
BlockPoolSliceStorage.java
|
/**
* Restore all files from the trash directory to their corresponding
* locations under current/
*/
| 0
|
/**
* Restore all files from the trash directory to their corresponding
* locations under current/
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,563
|
BlockPoolSliceStorage.java
|
// Recurse to process subdirectories.
| 0
|
// Recurse to process subdirectories. | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,564
|
BlockPoolSliceStorage.java
|
// Failsafe - we should not hit this case but let's make sure
// we never overwrite a newer version of a block file with an
// older version.
| 0
|
// Failsafe - we should not hit this case but let's make sure
// we never overwrite a newer version of a block file with an
// older version. | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
8,565
|
BlockPoolSliceStorage.java
|
/*
* Roll back to old snapshot at the block pool level
* If previous directory exists:
* <ol>
* <li>Rename <SD>/current/<bpid>/current to removed.tmp</li>
* <li>Rename * <SD>/current/<bpid>/previous to current</li>
* <li>Remove removed.tmp</li>
* </ol>
*
* Do nothing if previous directory does not exist.
* @param bpSd Block pool storage directory at <SD>/current/<bpid>
*/
| 0
|
/*
* Roll back to old snapshot at the block pool level
* If previous directory exists:
* <ol>
* <li>Rename <SD>/current/<bpid>/current to removed.tmp</li>
* <li>Rename * <SD>/current/<bpid>/previous to current</li>
* <li>Remove removed.tmp</li>
* </ol>
*
* Do nothing if previous directory does not exist.
* @param bpSd Block pool storage directory at <SD>/current/<bpid>
*/ | BlockPoolSliceStorage.java
|
[
1,
0,
0,
0,
0,
0,
0
] |
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