You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@accumulo.apache.org by mw...@apache.org on 2017/12/14 21:31:33 UTC
[accumulo] branch master updated: ACCUMULO-4763 Avoid use of 'file'
in property descriptions (#338)
This is an automated email from the ASF dual-hosted git repository.
mwalch pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/accumulo.git
The following commit(s) were added to refs/heads/master by this push:
new 6e77fb7 ACCUMULO-4763 Avoid use of 'file' in property descriptions (#338)
6e77fb7 is described below
commit 6e77fb7c1fe5707062a44826b5353a499d81caf6
Author: Mike Walch <mw...@apache.org>
AuthorDate: Thu Dec 14 16:31:31 2017 -0500
ACCUMULO-4763 Avoid use of 'file' in property descriptions (#338)
---
.../org/apache/accumulo/core/conf/Property.java | 95 +++++++++++-----------
1 file changed, 47 insertions(+), 48 deletions(-)
diff --git a/core/src/main/java/org/apache/accumulo/core/conf/Property.java b/core/src/main/java/org/apache/accumulo/core/conf/Property.java
index 79e7b17..0dfb372 100644
--- a/core/src/main/java/org/apache/accumulo/core/conf/Property.java
+++ b/core/src/main/java/org/apache/accumulo/core/conf/Property.java
@@ -223,8 +223,8 @@ public enum Property {
"The balancer class that accumulo will use to make tablet assignment and migration decisions."),
MASTER_RECOVERY_MAXAGE("master.recovery.max.age", "60m", PropertyType.TIMEDURATION, "Recovery files older than this age will be removed."),
MASTER_RECOVERY_MAXTIME("master.recovery.time.max", "30m", PropertyType.TIMEDURATION, "The maximum time to attempt recovery before giving up"),
- MASTER_BULK_RETRIES("master.bulk.retries", "3", PropertyType.COUNT, "The number of attempts to bulk-load a file before giving up."),
- MASTER_BULK_THREADPOOL_SIZE("master.bulk.threadpool.size", "5", PropertyType.COUNT, "The number of threads to use when coordinating a bulk-import."),
+ MASTER_BULK_RETRIES("master.bulk.retries", "3", PropertyType.COUNT, "The number of attempts to bulk import a RFile before giving up."),
+ MASTER_BULK_THREADPOOL_SIZE("master.bulk.threadpool.size", "5", PropertyType.COUNT, "The number of threads to use when coordinating a bulk import."),
MASTER_BULK_TIMEOUT("master.bulk.timeout", "5m", PropertyType.TIMEDURATION, "The time to wait for a tablet server to process a bulk import request"),
MASTER_BULK_RENAME_THREADS("master.bulk.rename.threadpool.size", "20", PropertyType.COUNT,
"The number of threads to use when moving user files to bulk ingest directories under accumulo control"),
@@ -235,11 +235,11 @@ public enum Property {
MASTER_RECOVERY_DELAY("master.recovery.delay", "10s", PropertyType.TIMEDURATION,
"When a tablet server's lock is deleted, it takes time for it to completely quit. This delay gives it time before log recoveries begin."),
MASTER_LEASE_RECOVERY_WAITING_PERIOD("master.lease.recovery.interval", "5s", PropertyType.TIMEDURATION,
- "The amount of time to wait after requesting a WAL file to be recovered"),
+ "The amount of time to wait after requesting a write-ahead log to be recovered"),
MASTER_WALOG_CLOSER_IMPLEMETATION("master.walog.closer.implementation", "org.apache.accumulo.server.master.recovery.HadoopLogCloser", PropertyType.CLASSNAME,
- "A class that implements a mechansim to steal write access to a file"),
+ "A class that implements a mechanism to steal write access to a write-ahead log"),
MASTER_FATE_THREADPOOL_SIZE("master.fate.threadpool.size", "4", PropertyType.COUNT,
- "The number of threads used to run FAult-Tolerant Executions. These are primarily table operations like merge."),
+ "The number of threads used to run fault-tolerant executions (FATE). These are primarily table operations like merge."),
MASTER_REPLICATION_SCAN_INTERVAL("master.replication.status.scan.interval", "30s", PropertyType.TIMEDURATION,
"Amount of time to sleep before scanning the status section of the replication table for new data"),
MASTER_REPLICATION_COORDINATOR_PORT("master.replication.coordinator.port", "10001", PropertyType.PORT, "Port for the replication coordinator service"),
@@ -259,8 +259,8 @@ public enum Property {
TSERV_CACHE_MANAGER_IMPL("tserver.cache.manager.class", "org.apache.accumulo.core.file.blockfile.cache.lru.LruBlockCacheManager", PropertyType.STRING,
"Specifies the class name of the block cache factory implementation. Alternative implementation is "
+ "org.apache.accumulo.core.file.blockfile.cache.tinylfu.TinyLfuBlockCacheManager"),
- TSERV_DATACACHE_SIZE("tserver.cache.data.size", "10%", PropertyType.MEMORY, "Specifies the size of the cache for file data blocks."),
- TSERV_INDEXCACHE_SIZE("tserver.cache.index.size", "25%", PropertyType.MEMORY, "Specifies the size of the cache for file indices."),
+ TSERV_DATACACHE_SIZE("tserver.cache.data.size", "10%", PropertyType.MEMORY, "Specifies the size of the cache for RFile data blocks."),
+ TSERV_INDEXCACHE_SIZE("tserver.cache.index.size", "25%", PropertyType.MEMORY, "Specifies the size of the cache for RFile index blocks."),
TSERV_SUMMARYCACHE_SIZE("tserver.cache.summary.size", "10%", PropertyType.MEMORY, "Specifies the size of the cache for summary data on each tablet server."),
TSERV_PORTSEARCH("tserver.port.search", "false", PropertyType.BOOLEAN, "if the ports above are in use, search higher ports until one is available"),
TSERV_CLIENTPORT("tserver.port.client", "9997", PropertyType.PORT, "The port used for handling client connections on the tablet servers"),
@@ -273,28 +273,28 @@ public enum Property {
TSERV_TOTAL_MUTATION_QUEUE_MAX("tserver.total.mutation.queue.max", "5%", PropertyType.MEMORY,
"The amount of memory used to store write-ahead-log mutations before flushing them."),
TSERV_TABLET_SPLIT_FINDMIDPOINT_MAXOPEN("tserver.tablet.split.midpoint.files.max", "300", PropertyType.COUNT,
- "To find a tablets split points, all index files are opened. This setting determines how many index "
- + "files can be opened at once. When there are more index files than this setting multiple passes "
- + "must be made, which is slower. However opening too many files at once can cause problems."),
+ "To find a tablets split points, all RFiles are opened and their indexes are read. This setting determines how many "
+ + "RFiles can be opened at once. When there are more RFiles than this setting multiple passes "
+ + "must be made, which is slower. However opening too many RFiles at once can cause problems."),
TSERV_WALOG_MAX_SIZE("tserver.walog.max.size", "1g", PropertyType.BYTES,
"The maximum size for each write-ahead log. See comment for property tserver.memory.maps.max"),
TSERV_WALOG_MAX_AGE("tserver.walog.max.age", "24h", PropertyType.TIMEDURATION, "The maximum age for each write-ahead log."),
TSERV_WALOG_TOLERATED_CREATION_FAILURES("tserver.walog.tolerated.creation.failures", "50", PropertyType.COUNT,
- "The maximum number of failures tolerated when creating a new WAL file within the period specified by tserver.walog.failures.period."
+ "The maximum number of failures tolerated when creating a new write-ahead log within the period specified by tserver.walog.failures.period."
+ " Exceeding this number of failures in the period causes the TabletServer to exit."),
TSERV_WALOG_TOLERATED_WAIT_INCREMENT("tserver.walog.tolerated.wait.increment", "1000ms", PropertyType.TIMEDURATION,
"The amount of time to wait between failures to create a WALog."),
// Never wait longer than 5 mins for a retry
TSERV_WALOG_TOLERATED_MAXIMUM_WAIT_DURATION("tserver.walog.maximum.wait.duration", "5m", PropertyType.TIMEDURATION,
- "The maximum amount of time to wait after a failure to create a WAL file."),
+ "The maximum amount of time to wait after a failure to create a write-ahead log."),
TSERV_MAJC_DELAY("tserver.compaction.major.delay", "30s", PropertyType.TIMEDURATION,
"Time a tablet server will sleep between checking which tablets need compaction."),
TSERV_MAJC_THREAD_MAXOPEN("tserver.compaction.major.thread.files.open.max", "10", PropertyType.COUNT,
- "Max number of files a major compaction thread can open at once. "),
+ "Max number of RFiles a major compaction thread can open at once. "),
TSERV_SCAN_MAX_OPENFILES("tserver.scan.files.open.max", "100", PropertyType.COUNT,
- "Maximum total files that all tablets in a tablet server can open for scans. "),
- TSERV_MAX_IDLE("tserver.files.open.idle", "1m", PropertyType.TIMEDURATION, "Tablet servers leave previously used files open for future queries. "
- + "This setting determines how much time an unused file should be kept open until it is closed."),
+ "Maximum total RFiles that all tablets in a tablet server can open for scans. "),
+ TSERV_MAX_IDLE("tserver.files.open.idle", "1m", PropertyType.TIMEDURATION, "Tablet servers leave previously used RFiles open for future queries. "
+ + "This setting determines how much time an unused RFile should be kept open until it is closed."),
TSERV_NATIVEMAP_ENABLED("tserver.memory.maps.native.enabled", "true", PropertyType.BOOLEAN,
"An in-memory data store for accumulo implemented in c++ that increases the amount of data accumulo can hold in memory and avoids Java GC pauses."),
TSERV_MAXMEM("tserver.memory.maps.max", "33%", PropertyType.MEMORY,
@@ -336,13 +336,13 @@ public enum Property {
+ "scan is switched to that local file. We can not switch to the minor compacted file because it may have been modified by iterators. The file "
+ "dumped to the local dir is an exact copy of what was in memory."),
TSERV_BULK_PROCESS_THREADS("tserver.bulk.process.threads", "1", PropertyType.COUNT,
- "The master will task a tablet server with pre-processing a bulk file prior to assigning it to the appropriate tablet servers. This configuration"
+ "The master will task a tablet server with pre-processing a bulk import RFile prior to assigning it to the appropriate tablet servers. This configuration"
+ " value controls the number of threads used to process the files."),
TSERV_BULK_ASSIGNMENT_THREADS("tserver.bulk.assign.threads", "1", PropertyType.COUNT,
- "The master delegates bulk file processing and assignment to tablet servers. After the bulk file has been processed, the tablet server will assign"
+ "The master delegates bulk import RFile processing and assignment to tablet servers. After file has been processed, the tablet server will assign"
+ " the file to the appropriate tablets on all servers. This property controls the number of threads used to communicate to the other servers."),
TSERV_BULK_RETRY("tserver.bulk.retry.max", "5", PropertyType.COUNT,
- "The number of times the tablet server will attempt to assign a file to a tablet as it migrates and splits."),
+ "The number of times the tablet server will attempt to assign a RFile to a tablet as it migrates and splits."),
TSERV_BULK_TIMEOUT("tserver.bulk.timeout", "5m", PropertyType.TIMEDURATION, "The time to wait for a tablet server to process a bulk import request."),
TSERV_MINTHREADS("tserver.server.threads.minimum", "20", PropertyType.COUNT, "The minimum number of threads to use to handle incoming requests."),
TSERV_THREADCHECK("tserver.server.threadcheck.time", "1s", PropertyType.TIMEDURATION, "The time between adjustments of the server thread pool."),
@@ -360,7 +360,7 @@ public enum Property {
TSERV_SORT_BUFFER_SIZE("tserver.sort.buffer.size", "10%", PropertyType.MEMORY, "The amount of memory to use when sorting logs during recovery."),
TSERV_ARCHIVE_WALOGS("tserver.archive.walogs", "false", PropertyType.BOOLEAN, "Keep copies of the WALOGs for debugging purposes"),
TSERV_WORKQ_THREADS("tserver.workq.threads", "2", PropertyType.COUNT,
- "The number of threads for the distributed work queue. These threads are used for copying failed bulk files."),
+ "The number of threads for the distributed work queue. These threads are used for copying failed bulk import RFiles."),
TSERV_WAL_SYNC("tserver.wal.sync", "true", PropertyType.BOOLEAN,
"Use the SYNC_BLOCK create flag to sync WAL writes to disk. Prevents problems recovering from sudden system resets."),
@Deprecated
@@ -378,21 +378,21 @@ public enum Property {
TSERV_SLOW_FLUSH_MILLIS("tserver.slow.flush.time", "100ms", PropertyType.TIMEDURATION,
"If a flush to the write-ahead log takes longer than this period of time, debugging information will written, and may result in a log rollover."),
TSERV_SUMMARY_PARTITION_THREADS("tserver.summary.partition.threads", "10", PropertyType.COUNT,
- "Summary data must be retrieved from files. For a large number of files, the files are broken into partitions of 100K files. This setting determines "
- + "how many of these groups of 100K files will be processed concurrently."),
+ "Summary data must be retrieved from RFiles. For a large number of RFiles, the files are broken into partitions of 100K files. This setting determines "
+ + "how many of these groups of 100K RFiles will be processed concurrently."),
TSERV_SUMMARY_REMOTE_THREADS("tserver.summary.remote.threads", "128", PropertyType.COUNT,
- "For a partitioned group of 100K files, those files are grouped by tablet server. Then a remote tablet server is asked to gather summary data. This "
+ "For a partitioned group of 100K RFiles, those files are grouped by tablet server. Then a remote tablet server is asked to gather summary data. This "
+ "setting determines how many concurrent request are made per partition."),
TSERV_SUMMARY_RETRIEVAL_THREADS("tserver.summary.retrieval.threads", "10", PropertyType.COUNT,
"The number of threads on each tablet server available to retrieve summary data, that is not currently in cache, from RFiles."),
// accumulo garbage collector properties
GC_PREFIX("gc.", null, PropertyType.PREFIX, "Properties in this category affect the behavior of the accumulo garbage collector."),
- GC_CYCLE_START("gc.cycle.start", "30s", PropertyType.TIMEDURATION, "Time to wait before attempting to garbage collect any old files."),
- GC_CYCLE_DELAY("gc.cycle.delay", "5m", PropertyType.TIMEDURATION, "Time between garbage collection cycles. In each cycle, old files "
+ GC_CYCLE_START("gc.cycle.start", "30s", PropertyType.TIMEDURATION, "Time to wait before attempting to garbage collect any old RFiles or write-ahead logs."),
+ GC_CYCLE_DELAY("gc.cycle.delay", "5m", PropertyType.TIMEDURATION, "Time between garbage collection cycles. In each cycle, old RFiles or write-ahead logs "
+ "no longer in use are removed from the filesystem."),
GC_PORT("gc.port.client", "9998", PropertyType.PORT, "The listening port for the garbage collector's monitor service"),
- GC_DELETE_THREADS("gc.threads.delete", "16", PropertyType.COUNT, "The number of threads used to delete files"),
+ GC_DELETE_THREADS("gc.threads.delete", "16", PropertyType.COUNT, "The number of threads used to delete RFiles and write-ahead logs"),
GC_TRASH_IGNORE("gc.trash.ignore", "false", PropertyType.BOOLEAN, "Do not use the Trash, even if it is configured."),
GC_FILE_ARCHIVE("gc.file.archive", "false", PropertyType.BOOLEAN, "Archive any files/directories instead of moving to the HDFS trash or deleting."),
GC_TRACE_PERCENT("gc.trace.percent", "0.01", PropertyType.FRACTION, "Percent of gc cycles to trace"),
@@ -458,14 +458,14 @@ public enum Property {
+ "properties in zookeeper that are set on a table."),
TABLE_ARBITRARY_PROP_PREFIX("table.custom.", null, PropertyType.PREFIX, "Prefix to be used for user defined arbitrary properties."),
TABLE_MAJC_RATIO("table.compaction.major.ratio", "3", PropertyType.FRACTION,
- "minimum ratio of total input size to maximum input file size for running a major compactionWhen adjusting this property you may want to also "
+ "Minimum ratio of total input size to maximum input RFile size for running a major compaction. When adjusting this property you may want to also "
+ "adjust table.file.max. Want to avoid the situation where only merging minor compactions occur."),
TABLE_MAJC_COMPACTALL_IDLETIME("table.compaction.major.everything.idle", "1h", PropertyType.TIMEDURATION,
"After a tablet has been idle (no mutations) for this time period it may have all "
- + "of its files compacted into one. There is no guarantee an idle tablet will be compacted. "
+ + "of its RFiles compacted into one. There is no guarantee an idle tablet will be compacted. "
+ "Compactions of idle tablets are only started when regular compactions are not running. Idle "
- + "compactions only take place for tablets that have one or more files."),
- TABLE_SPLIT_THRESHOLD("table.split.threshold", "1G", PropertyType.BYTES, "When combined size of files exceeds this amount a tablet is split."),
+ + "compactions only take place for tablets that have one or more RFiles."),
+ TABLE_SPLIT_THRESHOLD("table.split.threshold", "1G", PropertyType.BYTES, "A tablet is split when the combined size of RFiles exceeds this amount."),
TABLE_MAX_END_ROW_SIZE("table.split.endrow.size.max", "10K", PropertyType.BYTES, "Maximum size of end row"),
TABLE_MINC_LOGS_MAX("table.compaction.minor.logs.threshold", "3", PropertyType.COUNT,
"When there are more than this many write-ahead logs against a tablet, it will be minor compacted. See comment for property tserver.memory.maps.max"),
@@ -473,37 +473,36 @@ public enum Property {
"After a tablet has been idle (no mutations) for this time period it may have its "
+ "in-memory map flushed to disk in a minor compaction. There is no guarantee an idle " + "tablet will be compacted."),
TABLE_MINC_MAX_MERGE_FILE_SIZE("table.compaction.minor.merge.file.size.max", "0", PropertyType.BYTES,
- "The max file size used for a merging minor compaction. The default value of 0 disables a max file size."),
+ "The max RFile size used for a merging minor compaction. The default value of 0 disables a max file size."),
TABLE_SCAN_MAXMEM("table.scan.max.memory", "512K", PropertyType.BYTES,
"The maximum amount of memory that will be used to cache results of a client query/scan. "
+ "Once this limit is reached, the buffered data is sent to the client."),
TABLE_FILE_TYPE("table.file.type", RFile.EXTENSION, PropertyType.STRING, "Change the type of file a table writes"),
TABLE_LOAD_BALANCER("table.balancer", "org.apache.accumulo.server.master.balancer.DefaultLoadBalancer", PropertyType.STRING,
"This property can be set to allow the LoadBalanceByTable load balancer to change the called Load Balancer for this table"),
- TABLE_FILE_COMPRESSION_TYPE("table.file.compress.type", "gz", PropertyType.STRING, "One of gz,snappy,lzo,none"),
+ TABLE_FILE_COMPRESSION_TYPE("table.file.compress.type", "gz", PropertyType.STRING,
+ "Compression algorithm used on index and data blocks before they are written. Possible values: gz, snappy, lzo, none"),
TABLE_FILE_COMPRESSED_BLOCK_SIZE("table.file.compress.blocksize", "100K", PropertyType.BYTES,
- "Similar to the hadoop io.seqfile.compress.blocksize setting, so that files have better query performance. The maximum value for this is "
- + Integer.MAX_VALUE + ". (This setting is the size threshold prior to compression, and applies even compression is disabled.)"),
+ "The maximum size of data blocks in RFiles before they are compressed and written."),
TABLE_FILE_COMPRESSED_BLOCK_SIZE_INDEX("table.file.compress.blocksize.index", "128K", PropertyType.BYTES,
- "Determines how large index blocks can be in files that support multilevel indexes. The maximum value for this is " + Integer.MAX_VALUE + "."
- + " (This setting is the size threshold prior to compression, and applies even compression is disabled.)"),
+ "The maximum size of index blocks in RFiles before they are compressed and written."),
TABLE_FILE_BLOCK_SIZE("table.file.blocksize", "0B", PropertyType.BYTES,
- "Overrides the hadoop dfs.block.size setting so that files have better query performance. The maximum value for this is " + Integer.MAX_VALUE),
- TABLE_FILE_REPLICATION("table.file.replication", "0", PropertyType.COUNT, "Determines how many replicas to keep of a tables' files in HDFS. "
- + "When this value is LTE 0, HDFS defaults are used."),
+ "The HDFS block size used when writing RFiles. When set to 0B, the value/defaults of HDFS property 'dfs.block.size' will be used."),
+ TABLE_FILE_REPLICATION("table.file.replication", "0", PropertyType.COUNT,
+ "The number of replicas for a table's RFiles in HDFS. When set to 0, HDFS defaults are used."),
TABLE_FILE_MAX("table.file.max", "15", PropertyType.COUNT,
- "Determines the max # of files each tablet in a table can have. When adjusting this property you may want to consider adjusting"
+ "The maximum number of RFiles each tablet in a table can have. When adjusting this property you may want to consider adjusting"
+ " table.compaction.major.ratio also. Setting this property to 0 will make it default to tserver.scan.files.open.max-1, this will prevent a"
- + " tablet from having more files than can be opened. Setting this property low may throttle ingest and increase query performance."),
+ + " tablet from having more RFiles than can be opened. Setting this property low may throttle ingest and increase query performance."),
TABLE_FILE_SUMMARY_MAX_SIZE("table.file.summary.maxSize", "256K", PropertyType.BYTES, "The maximum size summary that will be stored. The number of"
- + " files that had summary data exceeding this threshold is reported by Summary.getFileStatistics().getLarge(). When adjusting this"
- + " consider the expected number files with summaries on each tablet server and the summary cache size."),
+ + " RFiles that had summary data exceeding this threshold is reported by Summary.getFileStatistics().getLarge(). When adjusting this"
+ + " consider the expected number RFiles with summaries on each tablet server and the summary cache size."),
@Deprecated
TABLE_WALOG_ENABLED("table.walog.enabled", "true", PropertyType.BOOLEAN, "This setting is deprecated. Use table.durability=none instead."),
TABLE_BLOOM_ENABLED("table.bloom.enabled", "false", PropertyType.BOOLEAN, "Use bloom filters on this table."),
TABLE_BLOOM_LOAD_THRESHOLD("table.bloom.load.threshold", "1", PropertyType.COUNT,
- "This number of seeks that would actually use a bloom filter must occur before a file's bloom filter is loaded."
- + " Set this to zero to initiate loading of bloom filters when a file is opened."),
+ "This number of seeks that would actually use a bloom filter must occur before a RFile's bloom filter is loaded."
+ + " Set this to zero to initiate loading of bloom filters when a RFile is opened."),
TABLE_BLOOM_SIZE("table.bloom.size", "1048576", PropertyType.COUNT, "Bloom filter size, as number of keys."),
TABLE_BLOOM_ERRORRATE("table.bloom.error.rate", "0.5%", PropertyType.FRACTION, "Bloom filter error rate."),
TABLE_BLOOM_KEY_FUNCTOR("table.bloom.key.functor", "org.apache.accumulo.core.file.keyfunctor.RowFunctor", PropertyType.CLASSNAME,
@@ -533,8 +532,8 @@ public enum Property {
+ "correspond to a fully qualified Java class that implements the Constraint interface.\n"
+ "For example:\ntable.constraint.1 = org.apache.accumulo.core.constraints.MyCustomConstraint\n"
+ "and:\ntable.constraint.2 = my.package.constraints.MySecondConstraint"),
- TABLE_INDEXCACHE_ENABLED("table.cache.index.enable", "true", PropertyType.BOOLEAN, "Determines whether index cache is enabled."),
- TABLE_BLOCKCACHE_ENABLED("table.cache.block.enable", "false", PropertyType.BOOLEAN, "Determines whether file block cache is enabled."),
+ TABLE_INDEXCACHE_ENABLED("table.cache.index.enable", "true", PropertyType.BOOLEAN, "Determines whether index block cache is enabled for a table."),
+ TABLE_BLOCKCACHE_ENABLED("table.cache.block.enable", "false", PropertyType.BOOLEAN, "Determines whether data block cache is enabled for a table."),
TABLE_ITERATOR_PREFIX("table.iterator.", null, PropertyType.PREFIX,
"Properties in this category specify iterators that are applied at various stages (scopes) of interaction "
+ "with a table. These properties start with the category prefix, followed by a scope (minc, majc, scan, etc.), "
@@ -574,7 +573,7 @@ public enum Property {
PropertyType.CLASSNAME,
"The name of a class that implements org.apache.accumulo.core.Sampler. Setting this option enables storing a sample of data which can be scanned."
+ " Always having a current sample can useful for query optimization and data comprehension. After enabling sampling for an existing table, a compaction "
- + "is needed to compute the sample for existing data. The compact command in the shell has an option to only compact files without sample data."),
+ + "is needed to compute the sample for existing data. The compact command in the shell has an option to only compact RFiles without sample data."),
TABLE_SAMPLER_OPTS("table.sampler.opt.", null, PropertyType.PREFIX,
"The property is used to set options for a sampler. If a sample had two options like hasher and modulous, then the two properties "
+ "table.sampler.opt.hasher=${hash algorithm} and table.sampler.opt.modulous=${mod} would be set."),
--
To stop receiving notification emails like this one, please contact
['"commits@accumulo.apache.org" <co...@accumulo.apache.org>'].