A | |
abort [Mapred_io.record_writer] |
Drops resources - intended to be used for error cleanup
|
abort [Mapred_io.record_reader] |
Drops resources - intended to be used for error cleanup
|
access [Nn_blockmap_box.blockmap_client_t] |
Access a blockmap stored in DB row
id and for datastore identity ,
with an initial size .
|
accumulate [Mapred_def.mapred_env] |
Adds the passed counters to the current set of counters, e.g.
|
active [Nn_blockmap.blockmap_t] |
whether this object refers to an existing row in the
datastore
table.
|
add_group [Plasma_ug.ug_admin] |
Add a group.
|
add_user [Plasma_ug.ug_admin] |
Add a user.
|
admin_table_put_e [Nn_state.ds_view_t] |
Write an admin table (this does not fit anywhere else)
|
admin_tables [Plasma_ug.ug_admin_ro] |
The contents of this object as admin tables.
|
admin_tables [Plasma_ug.ug_admin] |
The contents of this object as admin tables.
|
allocinfo_get_e [Nn_state.inode_view_t] |
Gets the allocinfo list for this inode
|
as_owner [Nn_state.inode_view_t] |
The owner tuple used by this view
|
auth_ticket [Mapred_def.mapred_env] |
The authentication ticket
|
B | |
bigblock_size [Mapred_def.mapred_job_config] |
Map/reduce processes files in units of bigblocks.
|
bigblock_size [Mapred_io.record_config] | |
blocklist [Mapred_fs.filesystem] |
Returns the blocklist of a file like PlasmaFS does
|
blockmap_alloc_e [Nn_state.bm_view_t] |
Reserve blocks and allocate at commit time.
|
blockmap_allocsize [Nn_state.bm_view_t] |
Returns the allocation size
|
blockmap_dealloc_e [Nn_state.bm_view_t] |
Mark blocks and deallocate at commit time.
|
blockmap_get_e [Nn_state.bm_view_t] |
Get the contents of the
blockalloc table for this datastore
identity , wrapped into a blockmap_t object
|
blockmap_get_e [Nn_state.shared_state_t] |
If the blockmap exists, return it.
|
blockmap_load_e [Nn_state.bm_view_t] |
Ensures that all known blockmaps are loaded
|
blockmap_pin [Nn_state.bm_view_t] |
Pin these blocks until commit/rollback.
|
blockmap_serialized [Nn_state.shared_state_t] |
This is used to synchronize accesses to the in-memory blockmap
with the per-inode blocklists in the db.
|
blockmaps [Nn_state.shared_state_t] |
All blockmaps so far loaded
|
blocksize [Mapred_fs.filesystem] |
Returns the block size for this path
|
book_allocation [Plasma_shm.shm_manager] |
Books this ID with this (total) size, and pushes the new entry
|
C | |
cancel [Mapred_fs.filesystem] |
Cancels any ongoing
write .
|
cauth [Nn_state.shared_state_t] |
Return the cauth record
|
check_config [Mapred_def.mapred_job] |
Check the config.
|
close [Mapred_def.sorter] |
Deallocates resources
|
close [Mapred_fs.filesystem] |
This filesystem will not be used anymore
|
close [Mapred_fs.local_file] |
Indicate that we are done with the file
|
close [Nn_blockmap_box.blockmap_client_t] |
Close the client (deallocate the message box)
|
close_in [Mapred_io.record_reader] |
Releases resources (e.g.
|
close_out [Mapred_io.record_writer] |
Releases resources (e.g.
|
clustername [Plasma_client_config.client_config] |
The clustername
|
cmp [Mapred_def.sorter] | cmp s1 i1 l1 s2 i2 l2 : Compare two keys as the sorter does.
|
combine [Mapred_def.mapred_job] |
The optional combiner is called for the internal shuffle passes.
|
command_name [Mapred_def.mapred_env] |
The name of the started command
|
commit [Nn_blockmap.blockmap_t] | commit owner : commits owner 's reservations, and makes them
permanent.
|
commit [Nn_db.transaction] |
Commits the transaction (prepared or not), and returns
|
commit_and_continue [Nn_db.transaction] |
Commits the transaction (prepared or not), but does not return
the transaction
|
commit_files [Mapred_fs.filesystem] |
Renames a couple of files at once.
|
commit_monitor [Nn_state.shared_state_t] |
The commit monitor controls which commits can be run in parallel
|
condition [Plasma_shm.shm_manager] |
Estimate where we are
|
config [Mapred_def.mapred_env] |
The map/reduce server configuration
|
config_file [Mapred_def.mapred_env] |
The config file containing
config
|
connection [Nn_db.transaction] |
The connection.
|
connection [Nn_db.ro_transaction] |
The connection.
|
continue_with [Pfs_db.async_connection] | continue_with f : Set f as the continuation.
|
copy [Mapred_fs.filesystem] |
Copies a file to a new name.
|
copy_in_from_buf [Mapred_fs.filesystem] | copy_in_from_buf path pos mem len : XXX
|
copy_out_to_buf [Mapred_fs.filesystem] | copy_out_to_buf path pos mem len : XXX
|
copy_to_local_directory [Mapred_taskfiles.taskfile_manager] |
Copies the mentioned file to the task nodes, and places them into
the
local_directory .
|
cur_rev_ident [Nn_state.shared_state_t] |
Returns current revision identifier
|
custom [Mapred_def.mapred_job_config] |
Get a custom parameter or raise
Not_found
|
custom_params [Mapred_def.mapred_job] |
The list of allowed custom parameters
|
D | |
datastore_del_e [Nn_state.ds_view_t] |
Delete this row in the
datastore table
|
datastore_list_e [Nn_state.ds_view_t] |
Get the contents of the
datastore table
|
datastore_max_id [Nn_state.shared_state_t] |
Maximum ID used in the datastore table (None if use_id was never called)
|
datastore_new_id_e [Nn_state.ds_view_t] |
The secret random number used for securing transactional writes
|
datastore_upd_e [Nn_state.ds_view_t] |
Change the row in
datastore identified by id so that the
fields identity , size , and enabled are updated.
|
datastore_use_id [Nn_state.shared_state_t] |
Record that this ID is now also used in a transaction
|
db_dbname [Pfs_db.db_config] | |
db_host [Pfs_db.db_config] | |
db_hostaddr [Pfs_db.db_config] | |
db_password [Pfs_db.db_config] | |
db_port [Pfs_db.db_config] | |
db_ro_connections_max [Pfs_db.db_config] | |
db_trans_for_commit [Nn_state.shared_state_t] |
Returns the db transaction that is used for commits
|
db_user [Pfs_db.db_config] | |
del_group [Plasma_ug.ug_admin] |
Delete the group.
|
del_user [Plasma_ug.ug_admin] |
Delete the user
|
delayed_allocation [Plasma_shm.shm_manager] |
A delayed allocation is not immediately pushed to the shared
book.
|
delayed_inode_deletes [Nn_state.inode_view_t] |
Returns
del_now, del_later :
del_now are the inodes to be deleted at the end of the transaction.
|
delete_local_directory [Mapred_taskfiles.taskfile_manager] |
Deletes the local directory on the task nodes.
|
disable_master [Nn_state.shared_state_t] |
Disable this master
|
disable_slave [Nn_state.shared_state_t] | disable_slave name
|
dn_blocksize [Nn_config.nn_node_config] |
Expected blocksize of datanodes
|
dn_blocksize [Dn_config.dn_config] |
The blocksize.
|
dn_blocksize [Dn_shm.dn_shm_config] |
The blocksize.
|
dn_blocksize [Dn_store.dn_store_config] |
The blocksize.
|
dn_clustername [Dn_config.dn_config] |
The clustername
|
dn_directory [Dn_config.dn_config] |
The directory containing the store.
|
dn_directory [Dn_store.dn_store_config] |
The directory containing the store.
|
dn_discovery_addrs [Nn_config.nn_node_config] |
The address to use for discovering datanodes.
|
dn_discovery_period [Nn_config.nn_node_config] |
Every how many seconds a new discovery messge is emitted
|
dn_io_processes [Dn_config.dn_config] |
The number of dn_io processes.
|
dn_max_errors [Nn_config.nn_node_config] |
For the liveliness monitoring: how many errors (missing response
messages) are at most acceptable.
|
dn_multicast_group [Dn_config.dn_config] |
The multicast group to join
|
dn_multicast_ttl [Nn_config.nn_node_config] |
The number of hops (routers+1) for multicasting.
|
dn_node_timeout [Nn_config.nn_node_config] |
The timeout for connects and RPC calls to data nodes
|
dn_port [Nn_config.nn_node_config] |
The data node port
|
dn_security_level [Nn_config.nn_node_config] |
The security level the datanodes expect
|
dn_shm_queue_length [Dn_config.dn_config] |
The size of the shm queue, in blocks.
|
dn_shm_queue_length [Dn_shm.dn_shm_config] |
The size of the shm queue, in blocks.
|
dn_sync_period [Dn_config.dn_config] |
How often the file is synced to disk
|
dump [Nn_blockmap.blockmap_t] |
Get a dump of the internal state
|
dump [Plasma_shm.shm_manager] |
Current sums for `Shm and `Buf as debug string
|
E | |
eff_sort_limit [Mapred_def.sorter] |
The sort limit after applying the factor, in bytes
|
enhanced_mapping [Mapred_def.mapred_job_config] |
If >0, enhanced map tasks are created.
|
enough_slaves [Nn_state.shared_state_t] |
Whether there are still enough enabled slaves
|
event_system [Nn_state.shared_state_t] |
The common event system
|
event_system [Nn_db.transaction] |
The event system this transaction uses
|
event_system [Nn_db.ro_transaction] |
The event system this transaction uses
|
event_system [Plasma_inodecache.lazy_transaction] | |
extract_key [Mapred_def.mapred_job] |
Extracts the key from a record, and returns the position as
pair
(index,len) .
|
F | |
file_root [Mapred_config.mapred_config] |
The local directory corresponding to "file::/"
|
filename [Mapred_fs.local_file] |
The filename
|
filename_count_e [Nn_state.inode_view_t] |
The count is the number of names for an inode (same as length of
list returned by
filename_rev_get_e )
|
filename_get_e [Nn_state.inode_view_t] |
Returns the inode of the member
name of directory dir_inode
|
filename_link_e [Nn_state.inode_view_t] |
adds this filename.
|
filename_list_e [Nn_state.inode_view_t] |
Lists subnames of a potential directory name, together with inodes
|
filename_parent_dir_e [Nn_state.inode_view_t] |
Returns the parent directory
|
filename_rename_e [Nn_state.inode_view_t] | |
filename_rev_get_dir_e [Nn_state.inode_view_t] |
Works only for directories, and obtains an existence lock for the
directory.
|
filename_rev_get_e [Nn_state.inode_view_t] |
filename_rev_get does not acquire locks.
|
filename_unlink_e [Nn_state.inode_view_t] |
deletes this filename from this directory.
|
filesystem [Mapred_def.mapred_env] |
Access to the cluster filesystem
|
filesystem [Mapred_io.record_writer] |
The filesystem
|
filesystem [Mapred_io.record_reader] |
The filesystem
|
fill_blockmap [Nn_blockmap.blockmap_t] | fill_blockmap index data : Fills the blockmap at index
with data , a string consisting of 0 and 1.
|
fill_done [Nn_blockmap.blockmap_t] |
Set that the map is filled, i.e.
|
fill_from_db [Nn_blockmap.blockmap_t] | fill_from_db index n : Fills the n rows at index from the
db (synchronously)
|
filled [Nn_blockmap.blockmap_t] |
whether the object is completely filled with data
|
flush [Mapred_io.record_writer] |
Flushes the records from the buffer to disk
|
forget_identity [Nn_state.shared_state_t] |
Forget everything about this datastore identity
|
free [Nn_blockmap.blockmap_t] | free l owner : deallocates these blocks.
|
from_dev_e [Mapred_io.record_writer] | from_dev_e q dev size_limit lines_limit esys ; Generalization of
from_fd_e .
|
from_fd_e [Mapred_io.record_writer] |
Outputs the records coming from this file.
|
G | |
get_blockmap [Nn_state.shared_state_t] |
Get the blockmap for this identity, or
Not_found
|
get_changes [Nn_blockmap.blockmap_t] | get_changes owner : Returns the changes made by owner .
|
get_ii_e [Plasma_inodecache.lazy_transaction] | |
get_tid_e [Plasma_inodecache.lazy_transaction] | |
getgrgid [Plasma_ug.ug_admin_ro] |
Find a group entry by name or by gid
|
getgrgid [Plasma_ug.ug_admin] |
Find a group entry by name or by gid
|
getgrnam [Plasma_ug.ug_admin_ro] | |
getgrnam [Plasma_ug.ug_admin] | |
getgroups [Plasma_ug.ug_admin_ro] | getgroups user : Returns the set of effective group
memberships for user
|
getgroups [Plasma_ug.ug_admin] | getgroups user : Returns the set of effective group
memberships for user
|
getpwnam [Plasma_ug.ug_admin_ro] | |
getpwnam [Plasma_ug.ug_admin] | |
getpwuid [Plasma_ug.ug_admin_ro] |
Find a passwd entry by name or by uid
|
getpwuid [Plasma_ug.ug_admin] |
Find a passwd entry by name or by uid
|
groups [Plasma_ug.ug_admin_ro] |
Return the users and groups
|
groups [Plasma_ug.ug_admin] |
Return the users and groups
|
H | |
has_free_blocks [Nn_blockmap.blockmap_t] |
whether there are still free blocks
|
hash [Mapred_def.sorter] | hash record key_index key_len : Takes
key = String.sub record index key_len as key, and returns
the hash value.
|
have_link [Mapred_fs.filesystem] |
whether
link is supported for this path
|
have_local_allocations [Plasma_shm.shm_manager] |
Whether this manager has allocations
|
I | |
id [Nn_blockmap.blockmap_t] |
the datastore db table id
|
identity [Nn_blockmap.blockmap_t] |
This is the blockmap for this datastore identity
|
idle [Pfs_db.async_connection] |
whether nothing is being executed
|
inactivate [Nn_blockmap_box.blockmap_client_t] |
Inactivate
|
inactivate [Nn_blockmap.blockmap_t] |
Sets
active to false
|
incr_count [Nn_state.shared_state_t] |
Increases this shared counter
|
inode_alloc_e [Nn_state.inode_view_t] |
Inserts a new inode and returns the ID.
|
inode_dealloc_e [Nn_state.inode_view_t] |
deletes the inode.
|
inode_get_blocks_e [Nn_state.inode_view_t] |
returns blocks.
|
inode_get_e [Nn_state.inode_view_t] | |
inode_get_new_id_serialized [Nn_state.shared_state_t] |
Serializer for getting a new ID from the inode table
|
inode_get_with_lock_e [Nn_state.inode_view_t] |
like
inode_get_e but immediately acquires a write lock for the
inode
|
inode_max_id [Nn_state.shared_state_t] |
Maximum ID used in the inode table (None if use_id was never called)
|
inode_modify_use_counts [Nn_state.shared_state_t] |
The use count for inodes:
|
inode_set_anonymous [Nn_state.inode_view_t] |
Sets that the inode is anonymous
|
inode_set_used [Nn_state.inode_view_t] |
Fake that this inode is considered as used.
|
inode_upd_blocks_e [Nn_state.inode_view_t] |
First delete the blocks in the
del range, then add
the blocks from add .
|
inode_upd_e [Nn_state.inode_view_t] |
Updates the inode.
|
inode_upd_time [Nn_state.inode_view_t] |
This update of mtime/ctime is lock-free
|
inode_use_counts [Nn_state.shared_state_t] |
Returns
(transactions) numbers (or raises Not_found )
|
inode_use_id [Nn_state.shared_state_t] |
Record that this ID is now also used in a transaction
|
input_dir [Mapred_def.mapred_job_config] |
This plasma directory contains the input files
|
input_dir_designation [Mapred_def.mapred_job_config] |
How
input_dir is interpreted
|
input_record [Mapred_io.record_reader] |
Reads one record, and advances the cursor.
|
input_record_io [Mapred_def.mapred_job] |
How to split the input file into records
|
input_records [Mapred_io.record_reader] |
Reads some records and appends them to the passed queue.
|
internal_record_io [Mapred_def.mapred_job] |
How to represent records for internal files
|
invalidate_ii [Plasma_inodecache.lazy_transaction] | |
is_returned [Nn_db.transaction] |
whether the transaction has been returned
|
is_returned [Nn_db.ro_transaction] |
whether the transaction has been returned
|
is_slave_disabled [Nn_state.shared_state_t] |
Whether this slave is disabled
|
J | |
job_id [Mapred_def.mapred_job_config] |
An automatically generated name.
|
L | |
link [Mapred_fs.filesystem] | link flags old_name new_name
|
local_directory [Mapred_taskfiles.taskfile_manager] |
The directory path on the task nodes for files
that are needed by tasks
|
local_root [Mapred_fs.filesystem] |
If the passed path can be mapped to the local filesystem, the
corresponding path in the local filesystem is returned (w/o
tree prefix)
|
location_info [Mapred_fs.filesystem] |
Returns for the given path the association on which node a
location resides.
|
lock_filename [Nn_state.shared_state_t] | lock_filename (dir_inode,name) lock_type owner : Locks the name
member of directory dir_inode .
|
lock_inode [Nn_state.shared_state_t] |
Returns
Some unlock if successful where calling unlock removes
the lock, or reverts to the previous state (1-step undo)
|
log_dir [Mapred_def.mapred_job_config] |
This plasma directory is used for log files.
|
log_directory [Mapred_taskfiles.taskfile_manager] |
The directory path on the task nodes where the tasks can put
files, and these files are finally copied to PlasmaFS
|
M | |
map [Mapred_def.mapred_job] |
The mapper reads records, maps them, and writes them into a
second file.
|
map_tasks [Mapred_def.mapred_job_config] |
The number of map tasks that should not be exceeded.
|
map_whole_files [Mapred_def.mapred_job_config] |
Whether only whole files are passed to a map job.
|
mapred_env [Mapred_toolkit.DSeq.mapred_info] | |
mapred_job_config [Mapred_toolkit.DSeq.mapred_info] | |
master [Nn_state.shared_state_t] |
The master in host:port syntax
|
master_enabled [Nn_state.shared_state_t] |
Whether the master (i.e.
|
merge_limit [Mapred_def.mapred_job_config] |
How many files are merged at most by a shuffle task
|
minimum_slaves [Nn_state.shared_state_t] |
How many enabled slaves we need at minimum
|
mkdir [Mapred_fs.filesystem] |
Creates a new directory.
|
mr_buf_high [Mapred_config.mapred_config] |
High watermark for buffer memory.
|
mr_buf_high_factor [Mapred_config.mapred_config] |
Alternate way for setting the high watermark as fraction of
available physical RAM.
|
mr_buf_low [Mapred_config.mapred_config] |
Low watermark for buffer memory.
|
mr_buf_low_factor [Mapred_config.mapred_config] |
Alternate way for setting the low watermark as fraction of
available physical RAM.
|
mr_buf_max [Mapred_config.mapred_config] |
Maximum for buffer memory.
|
mr_buf_max_factor [Mapred_config.mapred_config] |
Alternate way for setting the maximum as fraction of
available physical RAM.
|
mr_buffer_size [Mapred_io.record_config] | |
mr_buffer_size [Mapred_config.mapred_config] |
The normal size of I/O buffers.
|
mr_buffer_size_tight [Mapred_io.record_config] | |
mr_buffer_size_tight [Mapred_config.mapred_config] |
The size of I/O buffers when RAM is tight.
|
mr_pre_partitions_max [Mapred_config.mapred_config] |
The maximum number of pre-partitions.
|
mr_shm_high [Mapred_config.mapred_config] |
High watermark for shared memory.
|
mr_shm_high_factor [Mapred_config.mapred_config] |
Alternate way for setting the high watermark as fraction of
available shared memory.
|
mr_shm_low [Mapred_config.mapred_config] |
Low watermark for shared memory.
|
mr_shm_low_factor [Mapred_config.mapred_config] |
Alternate way for setting the low watermark as fraction of
available shared memory.
|
mr_shm_max [Mapred_config.mapred_config] |
Maximum for shared memory.
|
mr_shm_max_factor [Mapred_config.mapred_config] |
Alternate way for setting the maximum as fraction of
available shared memory.
|
mr_sort_size [Mapred_config.mapred_config] |
The size of the buffers for sorting.
|
mr_task_nodes [Mapred_config.mapred_config] |
Task nodes (only hostname)
|
mr_task_port [Mapred_config.mapred_config] |
The port number
|
mr_task_tmpdir [Mapred_config.mapred_config] |
A directory where to put executables, logs, etc.
|
mr_users [Mapred_config.mapred_config] |
If set, only these Unix users may interact with the running
task server
|
multi_serialized [Pfs_condition.int64_serializer_t] | let se = serialized il f : Same as serializing over all values of
il (in a nested way)
|
N | |
name [Mapred_def.sorter] |
The name of the sorter, for debugging
|
name [Mapred_def.mapred_job_config] |
A name for identifying this job, e.g.
|
new_id [Plasma_shm.shm_manager] |
allocates a new ID for an shm or buf object
|
new_rev_ident [Nn_state.shared_state_t] |
Creates a new revision identifier
|
next [Pfs_db.async_connection] |
If there is a delayed continuation execute it now
|
nn_clustername [Mapred_config.mapred_config] |
The clustername
|
nn_clustername [Nn_config.nn_min_config] | |
nn_clustername [Nn_config.nn_node_config] |
The clustername
|
nn_consistency_checks [Nn_config.nn_node_config] |
Whether to do more consistency checks, even the time-consuming ones
|
nn_disabled [Mapred_config.mapred_config] |
Whether PlasmaFS is disabled.
|
nn_elect_timeout [Nn_config.nn_node_config] |
For how many seconds to wait for neighbor namenodes
|
nn_hostname [Nn_config.nn_node_config] |
The hostname of this node.
|
nn_inodecaches [Nn_config.nn_node_config] |
Which inodecaches are announced to the clients
|
nn_lock_timeout [Nn_config.nn_node_config] |
After these many seconds transactions are not retried on
ECONFLICT
|
nn_node_alive_min [Nn_config.nn_node_config] |
How many name nodes need to be alive to continue with operations
|
nn_node_alive_min_startup [Nn_config.nn_node_config] |
How many name nodes need to be alive at cluster startup
|
nn_node_timeout [Nn_config.nn_min_config] | |
nn_node_timeout [Nn_config.nn_node_config] |
The timeout for connects and RPC calls to name nodes
|
nn_nodes [Mapred_config.mapred_config] |
The name nodes in "host:port" syntax
|
nn_nodes [Nn_config.nn_min_config] | |
nn_nodes [Nn_config.nn_node_config] |
The name nodes in "host:port" syntax
|
nn_nodes [Plasma_client_config.client_config] |
The name nodes in "host:port" syntax
|
nn_pool_size [Nn_config.nn_node_config] |
How much pool RAM is allocated (shared memory)
|
nn_rank [Nn_config.nn_node_config] |
The rank of this node compared to other nodes.
|
nn_replication [Nn_config.nn_node_config] |
Default replication factor
|
node_config [Nn_state.shared_state_t] |
the configuration
|
nominal_dot_dot [Mapred_fs.filesystem] |
Provided for compatibility with
Netfs.stream_fs .
|
O | |
open_cluster [Mapred_fs.filesystem] |
Returns a new plasma cluster for this path, if available
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open_filesystem [Mapred_fs.filesystem] |
Returns an independent access object for the same filesystem.
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output_dir [Mapred_def.mapred_job_config] |
This plasma directory will get output files.
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output_record [Mapred_io.record_writer] |
Outputs these records.
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output_record_io [Mapred_def.mapred_job] |
How to write the output file from records.
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output_records [Mapred_io.record_writer] |
Outputs the records in the queue.
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P | |
partition [Mapred_def.task_info] |
The partition.
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partition_of_key [Mapred_def.mapred_job] | partition_of_key me jc s p l :
Determines the partition of a key (which is supposed to occupy the
range p to p+l-1 of s ).
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partitions [Mapred_def.mapred_job_config] |
The number of partitions = number of reduce tasks
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path_encoding [Mapred_fs.filesystem] |
Provided for compatibility with
Netfs.stream_fs .
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path_exclusions [Mapred_fs.filesystem] |
Provided for compatibility with
Netfs.stream_fs .
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peek_record [Mapred_io.record_reader] |
Reads the record, but does not advance the cursor, i.e.
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phases [Mapred_def.mapred_job_config] |
Which phases are enabled
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pin [Nn_blockmap.blockmap_t] | pin l owner : marks these blocks as "to keep" even if a
competing transaction frees them.
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plasma_root [Mapred_config.mapred_config] |
The local directory corresponding to "plasma::/" (if PlasmaFS is
NFS-mounted)
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pos_in [Mapred_io.record_reader] |
The ordinal number of the record that will be read next.
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post_commit [Nn_state.view_t] |
Needs to be called after a commit.
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post_job_finish [Mapred_def.mapred_job] |
This is run by the job process after the last task is finished
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pre_commit [Nn_state.view_t] |
Prepares the commit, and returns the journal to commit.
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pre_commit_mon [Nn_state.view_t] |
Prepares the commit, and returns additional journal entries to commit.
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pre_job_start [Mapred_def.mapred_job] |
This is run by the job process before the first task is started
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prepare [Nn_db.transaction] |
Prepares the transaction for commit
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push [Plasma_shm.shm_manager] |
Push allocations to the shared book.
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put_records [Mapred_def.sorter] |
Hands over the records in the queue to the sorter.
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R | |
read [Mapred_fs.filesystem] | read flags filename : Opens the file filename for reading,
and returns the input stream.
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read_file [Mapred_io.record_reader_factory] | read_file flags fs rc name block len : Reads from name , starting at
block , ending at block+len-1 (plus the following overflow region).
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read_file [Mapred_fs.filesystem] | read_file flags filename : Opens the file filename for reading,
and returns the contents as a local_file .
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readdir [Mapred_fs.filesystem] |
Reads the contents of a directory.
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readlink [Mapred_fs.filesystem] |
Reads the target of a symlink
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record_config [Mapred_io.record_writer] |
The
record_config
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record_config [Mapred_io.record_reader] |
The
record_config
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reduce [Mapred_def.mapred_job] |
The reducer reads all the records of one partition, and puts them
into an output file.
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release [Nn_state.bm_view_t] |
Release the pinned blocks
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release [Nn_blockmap.blockmap_t] | release owner : Unpins the blocks of this owner.
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release_e [Plasma_inodecache.lazy_transaction] | |
remove [Mapred_fs.filesystem] |
Removes the file or symlink.
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rename [Mapred_fs.filesystem] |
Renames the file.
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req_id [Mapred_def.task_info] |
The request ID.
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reserve [Nn_blockmap.blockmap_t] | reserve n owner ri : finds n free blocks and returns their indices.
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reset_count [Nn_state.shared_state_t] |
Resets this shared counter, and returns the value before resetting
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return [Nn_db.transaction] |
return the transaction to the pool or closes it
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return [Nn_db.ro_transaction] |
return the transaction to the pool
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rmdir [Mapred_fs.filesystem] |
Removes an empty directory
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ro_connection [Nn_db.transaction] |
The same connection coerced to read-only
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rollback [Nn_state.view_t] |
Rolls this view back
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rollback [Nn_blockmap.blockmap_t] | rollback owner : unreserves owner 's blocks.
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rollback [Nn_db.transaction] |
Rolls the transaction back, and returns
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S | |
send [Pfs_db.async_connection] |
Unless
noprepare is set, prepare the query first, and execute it
then.
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serialized [Pfs_condition.int64_serializer_t] | let se = serialized i f : If already a serializer is running for
the passed value of i , it is waited until the previous engines reach
a final state, and then it is run e = f esys .
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set_aside [Mapred_fs.filesystem] |
This filesystem connection will not be used for some time, and
resources should be given back to the OS if possible.
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set_key_extraction [Mapred_def.sorter] |
Sets the function for extracting the key.
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set_rev_ident [Nn_state.shared_state_t] |
Sets the identitifer returned by
cur_rev_ident
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set_zombie_inodes [Nn_state.shared_state_t] |
Set whether zombie inodes exist
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shm_manager [Mapred_def.mapred_env] |
The manager for shared memory and large buffers
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shutdown [Nn_blockmap_box.blockmap_client_t] |
Shut the process down
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size [Mapred_fs.filesystem] |
Returns the size of a file.
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size [Nn_blockmap.blockmap_t] |
Size of the blockmap in blocks
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slaves [Nn_state.shared_state_t] |
Connections to the name slaves as triples (name,client,enabled).
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snapshot [Plasma_inodecache.lazy_transaction] | |
sort [Mapred_def.sorter] |
Sorts the records, and writes them to the passed writer.
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sort_lines_limit [Mapred_def.sorter] |
Maximum number of lines for a given sort limit in bytes
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sort_time [Mapred_def.sorter] |
Returns the duration of the last sort (w/o writing) in seconds
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sorter [Mapred_def.mapred_job] |
This is normally set to one of the sorters defined in
Mapred_sorters .
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split_limit [Mapred_def.mapred_job_config] |
How many files are created by a shuffle task.
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stats [Mapred_io.record_writer] |
returns statistics:
write_blocks : how many blocks have been written out, write_lines : how many lines have been processed (unavailable
if from_fd_e is used), write_bytes : how many bytes have been processed, write_fs_time : the time spent for waiting on the filesystem layer
for writing out data
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stats [Mapred_io.record_reader] |
returns statistics:
read_blocks : how many blocks have been read in, read_lines : how many lines have been processed (unavailable
if to_fd_e is used), read_bytes : how many bytes have been processed, read_fs_time : the time spent for waiting on the filesystem layer
for new data
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stats [Nn_blockmap.blockmap_t] |
Number of used, transitional, free blocks
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symlink [Mapred_fs.filesystem] | symlink flags oldpath newpath : Creates a symlink.
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T | |
task_delete_log_directory [Mapred_taskfiles.taskfile_manager] |
Deletes the entire log directory.
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task_files [Mapred_def.mapred_job_config] |
These files are copied at job start to the "local" directory
for this job on all task nodes.
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task_files_log_directory [Mapred_taskfiles.taskfile_manager] |
Returns the files that are still in the log directory
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task_prefix [Mapred_def.task_info] |
This filename prefix is used for log files
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task_save_log_directory [Mapred_taskfiles.taskfile_manager] |
Copies these files of the log directory into PlasmaFS.
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test [Mapred_fs.filesystem] |
Returns whether the test is true.
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test_list [Mapred_fs.filesystem] |
Similar to
test but this function performs all tests in the list
at once, and returns a bool for each test.
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to_any_e [Mapred_io.record_reader] | to_any_e dest esys : like to_fd_e but the data is not written to
a file descriptor.
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to_dev_e [Mapred_io.record_reader] |
Similar to
to_fd_e , only that this method writes to
an Uq_io.out_device .
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to_fd_e [Mapred_io.record_reader] | to_fd_e fd esys : The records are written to fd .
|
U | |
unlock_filenames [Nn_state.shared_state_t] |
unlock all filenames of this owner
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unlock_inodes [Nn_state.shared_state_t] |
unlock all inodes of this owner
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users [Plasma_ug.ug_admin_ro] | |
users [Plasma_ug.ug_admin] | |
W | |
wm [Plasma_shm.shm_manager] |
Effective watermarks
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work_dir [Mapred_def.mapred_job_config] |
This plasma directory is used for temporary files.
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write [Mapred_fs.filesystem] | write flags filename : Opens (and optionally creates) the filename
for writing, and returns the output stream.
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write_file [Mapred_io.record_writer_factory] | write_file fs rc name : Appends records to this file (which must already
exist).
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write_file [Mapred_fs.filesystem] | write_file flags filename localfile : Opens the file filename
for writing, and copies the contents of the localfile to it.
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write_suffix [Mapred_io.record_writer_factory] |
The preferred suffix for written files
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X | |
x_blocklist [Plasma_netfs.x_stream_fs] | |
x_blocksize [Plasma_netfs.x_stream_fs] | |
x_commit_files [Plasma_netfs.x_stream_fs] | |
x_copy [Plasma_netfs.x_stream_fs] | |
x_copy_in_from_buf [Plasma_netfs.x_stream_fs] | |
x_copy_out_to_buf [Plasma_netfs.x_stream_fs] | |
x_link [Plasma_netfs.x_stream_fs] | |
x_location_info [Plasma_netfs.x_stream_fs] | |
x_read_file [Plasma_netfs.x_stream_fs] | |
x_write [Plasma_netfs.x_stream_fs] | |
x_write_file [Plasma_netfs.x_stream_fs] | |
Z | |
zombie_inodes_exist [Nn_state.shared_state_t] |
Whether zombie inodes exist (unused anonymous inodes)
|