The following table provides a description of the attributes in the cn=Replication Server Database Environment monitor entry, which includes the environment variables associated with the Oracle Berkeley Database Java Edition backend.

dn: cn=Replication Server Database Environment,cn=monitor
Monitor Attribute Description
je-version Current version of the Oracle Berkeley Java Edition.
current-db-cache-size Current DB cache size.
max-db-cache-size Maximum DB cache size.
db-cache-percent-full Percentage of the cache used by the Directory Server.
db-directory Directory that holds the changelogDb file.
db-on-disk-size Size of the DB on disk.
cleaner-backlog Number of log files that must be cleaned for the cleaner to meet its target utilization.
random-read-count Number of disk reads which required repositioning the disk head more than 1MB from the previous file position.
random-write-count Number of disk writes which required repositioning the disk head by more than 1MB from the previous file position.
sequential-read-count Number of disk reads which did not require repositioning the disk head more than 1MB from the previous file position.
sequential-write-count Number of disk writes which did not require repositioning the disk head by more than 1MB from the previous file position.
nodes-evicted Accumulated number of nodes evicted.
active-transaction-count Number of currently active transactions.
num-checkpoints Number of checkpoints. A checkpoint is a process that writes to your log files all the internal BTree nodes and structures modified as a part of write operations to your log files to facilitate a quick recovery.
checkpoint-in-progress: false Indicates if a checkpoint is in progress.
total-checkpoint-duration-millis Total time in milliseconds for all checkpoints.
average-checkpoint-duration-millis Average time in milliseconds for all checkpoints.
last-checkpoint-duration-millis Duration in milliseconds of the last checkpoint run.
last-checkpoint-start-time Start time of the last checkpoint.
last-checkpoint-stop-time Stop time of the last checkpoint.
millis-since-last-checkpoint Time in milliseconds since the last checkpoint.
read-locks-held Total read locks currently held.
write-locks-held Total write locks currently held.
transactions-waiting-on-locks Total transactions waiting for locks
je-env-stat-AdminBytes Number of bytes of JE cache used for log cleaning metadata and other administrative structure.
je-env-stat-BufferBytes Total memory currently consumed by log buffers, in bytes.
je-env-stat-CacheDataBytes Total memory of cache used for data.
je-env-stat-CacheTotalBytes Total amount of JE cache in use, in bytes.
je-env-stat-CleanerBacklog Number of files to be cleaned to reach the target utilization.
je-env-stat-CursorsBins Number of bottom internal nodes (BINs) encountered by the INCompressor that had cursors referring to them when the compressor ran. The compressor thread cleans up the internal BTree as records are deleted to ensure unused nodes are not present.
je-env-stat-DataBytes Amount of JE cache used for holding data, keys and internal Btree nodes, in bytes.
je-env-stat-DbClosedBins Number of bins encountered by the INCompressor that had their database closed between the time they were put on the compressor queue and when the compressor ran.
je-env-stat-EndOfLog Location of the next entry to be written to the log.
je-env-stat-InCompQueueSize Number of entries in the INCompressor queue when the getStats() call was made.
je-env-stat-LastCheckpointEnd Location in the log of the last checkpoint end.
je-env-stat-LastCheckpointId ID of the last checkpoint.
je-env-stat-lastCheckpointStart Location in the log of the last checkpoint start.
je-env-stat-lockBytes Number of bytes of JE cache used for holding locks and transactions.
je-env-stat-NBINsStripped Number of BINS stripped by the evictor.
je-env-stat-NCacheMiss Total number of requests for database objects which were not in memory.
je-env-stat-NCheckpoints Total number of checkpoints run so far.
je-env-stat-NCleanerDeletions Number of cleaner file deletions this session.
je-env-stat-NCleanerEntriesRead Accumulated number of log entries read by the cleaner.
je-env-stat-NCleanerRuns Number of cleaner runs this session.
je-env-stat-NClusterLNsProcessed Accumulated number of leaf nodes (LNs) processed because they qualify for clustering.
je-env-stat-NDeltaINFlush Accumulated number of delta internal nodes (INs) flushed to the log.
je-env-stat-NEvictPasses Number of passes made to the evictor.
je-env-stat-NFSyncRequests Number of fsyncs requested through the group commit manager. Fsync() synchronizes the file system after a write or a transaction.
je-env-stat-NFSyncTimeouts Number of fsync requests submitted to the group commit manager which timed out.
je-env-stat-NFSyncs Number of fsyncs issued through the group commit manager.
je-env-stat-NFileOpens Number of times a log file has been opened.
je-env-stat-NFullBINFlush Accumulated number of full bottom internal nodes (BINS) flushed to the log.
je-env-stat-NFullINFlush Accumulated number of full INs flushed to the log.
je-env-stat-NINsCleaned Accumulated number of INs cleaned.
je-env-stat-NINsDead Accumulated number of INs that were not found in the tree anymore (deleted).
je-env-stat-NINsMigrated Accumulated number of INs migrated.
je-env-stat-NINsObsolete Accumulated number of INs obsolete.
je-env-stat-NLNQueueHits Accumulated number of LNs processed without a tree lookup.
je-env-stat-NLNsCleaned Accumulated number of LNs cleaned.
je-env-stat-NLNsDead Accumulated number of LNs that were not found in the tree anymore (deleted).
je-env-stat-NLNsLocked Accumulated number of LNs encountered that were locked.
je-env-stat-NLNsMarked Accumulated number of LNs that were marked for migration during cleaning.
je-env-stat-NLNsMigrated Accumulated number of LNs migrated.
je-env-stat-NLNsObsolete Accumulated number of LNs obsolete.
je-env-stat-NLogBuffers Number of log buffers currently instantiated.
je-env-stat-NMarkedLNsProcessed Accumulated number of LNs processed because they were previously marked for migration.
je-env-stat-NNodesExplicitlyEvicted Accumulated number of nodes evicted.
je-env-stat-NNodesScanned Accumulated number of nodes scanned to select the eviction set.
je-env-stat-NNodesSelected Accumulated number of nodes selected to evict.
je-env-stat-NNotResident Number of requests for database objects not contained within the in memory data structures.
je-env-stat-NOpenFiles Number of files currently open in the file cache.
je-env-stat-NPendingLNsLocked Accumulated number of pending LNs that could not be locked for migration because of a long duration application lock.
je-env-stat-NPendingLNsProcessed Accumulated number of LNs processed because they were previously locked.
je-env-stat-NRandomReadBytes Number of bytes read which required repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NRandomReads Number of disk reads which required repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NRandomWriteBytes Number of bytes written which required repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NRandomWrites Number of disk writes which required repositioning the disk head by more than 1MB from the previous file position.
je-env-stat-NRepeatFaultReads Number of reads which had to be repeated when faulting in an object from disk because the read chunk size controlled by je.log.faultReadSize is too small.
je-env-stat-NRepeatIteratorReads Number of times we try to read a log entry larger than the read buffer size and can't grow the log buffer to accommodate the large object.
je-env-stat-NRootNodesEvicted Accumulated number of database root nodes evicted.
je-env-stat-NSequentialReadBytes Number of bytes read which did not require repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NSequentialReads Number of disk reads which did not require repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NSequentialWriteBytes Number of bytes written which did not require repositioning the disk head more than 1MB from the previous file position.
je-env-stat-NSequentialWrites Number of disk writes which did not require repositioning the disk head by more than 1MB from the previous file position.
je-env-stat-NSharedCacheEnvironments Number of environments using the shared cache.
je-env-stat-NTempBufferWrites Number of writes which had to be completed using the temporary marshalling buffer because the fixed size log buffers specified by je.log.totalBufferBytes and je.log.numBuffers were not large enough.
je-env-stat-NToBe-CleanedLNsProcessed Accumulated number of LNs processed because they are soon to be cleaned.
je-env-stat-NonEmptyBins Number of non-empty bins.
je-env-stat-ProcessedBins Number of bins that were successfully processed by the INCompressor.
je-env-stat-RequiredEvictBytes Number of bytes that must be evicted to get within the memory budget.
je-env-stat-SharedCacheTotalBytes Total amount of the shared JE cache in use, in bytes.
je-env-stat-SplitBins Number of bins encountered by the INCompressor that were split between the time they were put on the compressor queue and when the compressor ran.
je-env-stat-TotalLogSize Approximation of the current total log size in bytes.
je-env-stat-NOwners Total lock owners in the lock table.
je-env-stat-NReadLocks Total read locks currently held.
je-env-stat-NRequests Total number of lock requests to date.
je-env-stat-NTotalLocks Total locks currently in the lock table.
je-env-stat-NWaiters Total transactions waiting for locks.
je-env-stat-NWaits Total number of lock waits to date.
je-env-stat-NWriteLocks Total write locks currently held.
je-env-stat-LastCheckpointTime Time of the last checkpoint.
je-env-stat-LastTxnId Last transaction ID allocated.
je-env-stat-NAborts Number of transactions that have aborted.
je-env-stat-NActive Number of transactions that are currently active.
je-env-stat-NBegins Number of transactions that have begun.
je-env-stat-NCommits Number of transactions that have committed.
je-env-stat-NXAAborts Number of XA transactions that have aborted.
je-env-stat-NXACommits Number of XA transactions that have committed.
je-env-stat-NXAPrepares Number of XA transactions that have been prepared.