Contents

  1. Tokudb_basement_deserialization_fixed_key
  2. Tokudb_basement_deserialization_variable_key
  3. Tokudb_basements_decompressed_for_write
  4. Tokudb_basements_decompressed_prefetch
  5. Tokudb_basements_decompressed_prelocked_range
  6. Tokudb_basements_decompressed_target_query
  7. Tokudb_basements_fetched_for_write
  8. Tokudb_basements_fetched_for_write_bytes
  9. Tokudb_basements_fetched_for_write_seconds
  10. Tokudb_basements_fetched_prefetch
  11. Tokudb_basements_fetched_prefetch_bytes
  12. Tokudb_basements_fetched_prefetch_seconds
  13. Tokudb_basements_fetched_prelocked_range
  14. Tokudb_basements_fetched_prelocked_range_bytes
  15. Tokudb_basements_fetched_prelocked_range_seconds
  16. Tokudb_basements_fetched_target_query
  17. Tokudb_basements_fetched_target_query_bytes
  18. Tokudb_basements_fetched_target_query_seconds
  19. Tokudb_broadcase_messages_injected_at_root
  20. Tokudb_buffers_decompressed_for_write
  21. Tokudb_buffers_decompressed_prefetch
  22. Tokudb_buffers_decompressed_prelocked_range
  23. Tokudb_buffers_decompressed_target_query
  24. Tokudb_buffers_fetched_for_write
  25. Tokudb_buffers_fetched_for_write_bytes
  26. Tokudb_buffers_fetched_for_write_seconds
  27. Tokudb_buffers_fetched_prefetch
  28. Tokudb_buffers_fetched_prefetch_bytes
  29. Tokudb_buffers_fetched_prefetch_seconds
  30. Tokudb_buffers_fetched_prelocked_range
  31. Tokudb_buffers_fetched_prelocked_range_bytes
  32. Tokudb_buffers_fetched_prelocked_range_seconds
  33. Tokudb_buffers_fetched_target_query
  34. Tokudb_buffers_fetched_target_query_bytes
  35. Tokudb_buffers_fetched_target_query_seconds
  36. Tokudb_cachetable_cleaner_executions
  37. Tokudb_cachetable_cleaner_iterations
  38. Tokudb_cachetable_cleaner_period
  39. Tokudb_cachetable_evictions
  40. Tokudb_cachetable_long_wait_pressure_count
  41. Tokudb_cachetable_long_wait_pressure_time
  42. Tokudb_cachetable_miss
  43. Tokudb_cachetable_miss_time
  44. Tokudb_cachetable_prefetches
  45. Tokudb_cachetable_size_cachepressure
  46. Tokudb_cachetable_size_cloned
  47. Tokudb_cachetable_size_current
  48. Tokudb_cachetable_size_leaf
  49. Tokudb_cachetable_size_limit
  50. Tokudb_cachetable_size_nonleaf
  51. Tokudb_cachetable_size_rollback
  52. Tokudb_cachetable_size_writing
  53. Tokudb_cachetable_wait_pressure_count
  54. Tokudb_cachetable_wait_pressure_time
  55. Tokudb_checkpoint_begin_time
  56. Tokudb_checkpoint_duration
  57. Tokudb_checkpoint_duration_last
  58. Tokudb_checkpoint_failed
  59. Tokudb_checkpoint_last_began
  60. Tokudb_checkpoint_last_complete_began
  61. Tokudb_checkpoint_last_complete_ended
  62. Tokudb_checkpoint_long_begin_count
  63. Tokudb_checkpoint_long_begin_time
  64. Tokudb_checkpoint_period
  65. Tokudb_checkpoint_taken
  66. Tokudb_cursor_skip_deleted_leaf_entry
  67. Tokudb_db_closes
  68. Tokudb_db_open_current
  69. Tokudb_db_open_max
  70. Tokudb_db_opens
  71. Tokudb_descriptor_set
  72. Tokudb_dictionary_broadcast_updates
  73. Tokudb_dictionary_updates
  74. Tokudb_filesystem_fsync_num
  75. Tokudb_filesystem_fsync_time
  76. Tokudb_filesystem_long_fsync_num
  77. Tokudb_filesystem_long_fsync_time
  78. Tokudb_filesystem_threads_blocked_by_full_disk
  79. Tokudb_leaf_compression_to_memory_seconds
  80. Tokudb_leaf_decompression_to_memory_seconds
  81. Tokudb_leaf_deserialization_to_memory_seconds
  82. Tokudb_leaf_node_compression_ratio
  83. Tokudb_leaf_node_full_evictions
  84. Tokudb_leaf_node_full_evictions_bytes
  85. Tokudb_leaf_node_partial_evictions
  86. Tokudb_leaf_node_partial_evictions_bytes
  87. Tokudb_leaf_nodes_created
  88. Tokudb_leaf_nodes_destroyed
  89. Tokudb_leaf_nodes_flushed_checkpoint
  90. Tokudb_leaf_nodes_flushed_checkpoint_bytes
  91. Tokudb_leaf_nodes_flushed_checkpoint_seconds
  92. Tokudb_leaf_nodes_flushed_checkpoint_uncompressed_bytes
  93. Tokudb_leaf_nodes_flushed_not_checkpoint
  94. Tokudb_leaf_nodes_flushed_not_checkpoint_bytes
  95. Tokudb_leaf_nodes_flushed_not_checkpoint_seconds
  96. Tokudb_leaf_nodes_flushed_not_checkpoint_uncompressed_bytes
  97. Tokudb_leaf_serialization_to_memory_seconds
  98. Tokudb_loader_num_created
  99. Tokudb_loader_num_current
  100. Tokudb_loader_num_max
  101. Tokudb_locktree_escalation_num
  102. Tokudb_locktree_escalation_seconds
  103. Tokudb_locktree_latest_post_escalation_memory_size
  104. Tokudb_locktree_long_wait_count
  105. Tokudb_locktree_long_wait_escalation_count
  106. Tokudb_locktree_long_wait_escalation_time
  107. Tokudb_locktree_long_wait_time
  108. Tokudb_locktree_memory_size
  109. Tokudb_locktree_memory_size_limit
  110. Tokudb_locktree_open_current
  111. Tokudb_locktree_pending_lock_requests
  112. Tokudb_locktree_sto_eligible_num
  113. Tokudb_locktree_sto_ended_num
  114. Tokudb_locktree_sto_ended_seconds
  115. Tokudb_locktree_timeout_count
  116. Tokudb_locktree_wait_count
  117. Tokudb_locktree_wait_escalation_count
  118. Tokudb_locktree_wait_escalation_time
  119. Tokudb_locktree_wait_time
  120. Tokudb_logger_wait_long
  121. Tokudb_logger_writes
  122. Tokudb_logger_writes_bytes
  123. Tokudb_logger_writes_seconds
  124. Tokudb_logger_writes_uncompressed_bytes
  125. Tokudb_mem_estimated_maximum_memory_footprint
  126. Tokudb_messages_flushed_from_h1_to_leaves_bytes
  127. Tokudb_messages_ignored_by_leaf_due_to_msn
  128. Tokudb_messages_in_trees_estimate_bytes
  129. Tokudb_messages_injected_at_root
  130. Tokudb_messages_injected_at_root_bytes
  131. Tokudb_nonleaf_compression_to_memory_seconds
  132. Tokudb_nonleaf_decompression_to_memory_seconds
  133. Tokudb_nonleaf_deserialization_to_memory_seconds
  134. Tokudb_nonleaf_node_compression_ratio
  135. Tokudb_nonleaf_node_full_evictions
  136. Tokudb_nonleaf_node_full_evictions_bytes
  137. Tokudb_nonleaf_node_partial_evictions
  138. Tokudb_nonleaf_node_partial_evictions_bytes
  139. Tokudb_nonleaf_nodes_created
  140. Tokudb_nonleaf_nodes_destroyed
  141. Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint
  142. Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_bytes
  143. Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_seconds
  144. Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_uncompressed_bytes
  145. Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint
  146. Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_bytes
  147. Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_seconds
  148. Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_uncompressed_bytes
  149. Tokudb_nonleaf_serialization_to_memory_seconds
  150. Tokudb_overall_node_compression_ratio
  151. Tokudb_pivots_fetched_for_query
  152. Tokudb_pivots_fetched_for_query_bytes
  153. Tokudb_pivots_fetched_for_query_seconds
  154. Tokudb_pivots_fetched_for_prefetch
  155. Tokudb_pivots_fetched_for_prefetch_bytes
  156. Tokudb_pivots_fetched_for_prefetch_seconds
  157. Tokudb_pivots_fetched_for_write
  158. Tokudb_pivots_fetched_for_write_bytes
  159. Tokudb_pivots_fetched_for_write_seconds
  160. Tokudb_promotion_h1_roots_injected_into
  161. Tokudb_promotion_injections_at_depth_0
  162. Tokudb_promotion_injections_at_depth_1
  163. Tokudb_promotion_injections_at_depth_2
  164. Tokudb_promotion_injections_at_depth_3
  165. Tokudb_promotion_injections_lower_than_depth_3
  166. Tokudb_promotion_leaf_roots_injected_into
  167. Tokudb_promotion_roots_split
  168. Tokudb_promotion_stopped_after_locking_child
  169. Tokudb_promotion_stopped_at_height_1
  170. Tokudb_promotion_stopped_child_locked_or_not_in_memory
  171. Tokudb_promotion_stopped_child_not_fully_in_memory
  172. Tokudb_promotion_stopped_nonempty_buffer
  173. Tokudb_txn_aborts
  174. Tokudb_txn_begin
  175. Tokudb_txn_begin_read_only
  176. Tokudb_txn_commits

This page documents status variables related to the TokuDB storage engine. See Server Status Variables for a complete list of status variables that can be viewed with SHOW STATUS.

See also the Full list of MariaDB options, system and status variables.

Tokudb_basement_deserialization_fixed_key

  • Description: Number of deserialized basement nodes where all keys were the same size. This leaves the basement in an optimal format for in-memory workloads.

Tokudb_basement_deserialization_variable_key

  • Description: Number of deserialized basement nodes where all keys had different size keys, which are not eligible for in-memory optimization.

Tokudb_basements_decompressed_for_write

  • Description: Number of basement nodes decompressed for write operations.

Tokudb_basements_decompressed_prefetch


Tokudb_basements_decompressed_prelocked_range

  • Description: Number of basement nodes aggressively decompressed by queries.

Tokudb_basements_decompressed_target_query

  • Description: Number of basement nodes decompressed for queries

Tokudb_basements_fetched_for_write

  • Description: Number of basement nodes fetched for writes off the disk.

Tokudb_basements_fetched_for_write_bytes

  • Description: Total basement node bytes fetched for writes off the disk.

Tokudb_basements_fetched_for_write_seconds

  • Description: Time in seconds spent waiting for IO while fetching basement nodes from disk for writes.

Tokudb_basements_fetched_prefetch

  • Description: Number of basement nodes fetched off the disk by a prefetch thread.

Tokudb_basements_fetched_prefetch_bytes

  • Description: Total basement node bytes fetched off the disk by a prefetch thread..

Tokudb_basements_fetched_prefetch_seconds

  • Description: Time in seconds spent waiting for IO while fetching off the disk by a prefetch thread.

Tokudb_basements_fetched_prelocked_range

  • Description: Number of basement nodes aggressively fetched from disk.

Tokudb_basements_fetched_prelocked_range_bytes

  • Description: Total basement node bytes aggressively fetched off the disk.

Tokudb_basements_fetched_prelocked_range_seconds

  • Description: Time in seconds spent waiting for IO while aggressively fetching basement nodes from disk.

Tokudb_basements_fetched_target_query

  • Description: Number of basement nodes fetched for queries off the disk.

Tokudb_basements_fetched_target_query_bytes

  • Description: Total basement node bytes fetched for queries off the disk.

Tokudb_basements_fetched_target_query_seconds

  • Description: Time in seconds spent waiting for IO while fetching basement nodes from disk for queries.

Tokudb_broadcase_messages_injected_at_root

  • Description: Number of broadcast messages injected at root.

Tokudb_buffers_decompressed_for_write

  • Description: Number of buffers decompressed for writes.

Tokudb_buffers_decompressed_prefetch

  • Description: Number of buffers decompressed by a prefetch thread.

Tokudb_buffers_decompressed_prelocked_range

  • Description: Number of buffers decompressed for queries.

Tokudb_buffers_decompressed_target_query

  • Description: Number of buffers aggressively decompressed by queries.

Tokudb_buffers_fetched_for_write

  • Description: Number of buffers fetched for write off the disk.

Tokudb_buffers_fetched_for_write_bytes

  • Description: Total buffer bytes fetched for writes off the disk.

Tokudb_buffers_fetched_for_write_seconds

  • Description: Time in seconds spent waiting for IO while fetching buffers from disk for writes.

Tokudb_buffers_fetched_prefetch

  • Description: Number of buffers fetched for queries off the disk by a prefetch thread.

Tokudb_buffers_fetched_prefetch_bytes

  • Description: Total buffer bytes fetched for queries off the disk by a prefetch thread.

Tokudb_buffers_fetched_prefetch_seconds

  • Description: Time in seconds spent waiting for IO while fetching buffers from disk for queries by a prefetch thread.

Tokudb_buffers_fetched_prelocked_range

  • Description: Number of buffers aggressively fetched for queries off the disk.

Tokudb_buffers_fetched_prelocked_range_bytes

  • Description: Total buffer bytes aggressively fetched for queries off the disk.

Tokudb_buffers_fetched_prelocked_range_seconds

  • Description: Time in seconds spent waiting for IO while aggressively fetching buffers from disk for queries.

Tokudb_buffers_fetched_target_query

  • Description: Number of buffers fetched for queries off the disk.

Tokudb_buffers_fetched_target_query_bytes

  • Description: Total buffer bytes fetched for queries off the disk.

Tokudb_buffers_fetched_target_query_seconds

  • Description: Time in seconds spent waiting for IO while fetching buffers from disk for queries.

Tokudb_cachetable_cleaner_executions

  • Description: Number of times the cleaner thread loop has executed.

Tokudb_cachetable_cleaner_iterations

  • Description: Number of cleaner operations performed each cleaner period.

Tokudb_cachetable_cleaner_period

  • Description: Time in seconds between the end of a group of cleaner operations and the beginning of the next. The TokuDB cleaner thread runs in the background, optimizing indexes and performing work not needing to be done by the client thread.

Tokudb_cachetable_evictions

  • Description: Number of blocks evicted from the cache.

Tokudb_cachetable_long_wait_pressure_count

  • Description: Number of times a thread was stalled for more than one second due to cache pressure.

Tokudb_cachetable_long_wait_pressure_time

  • Description: Time in microseconds spent waiting for more than one second for cache pressure to ease.

Tokudb_cachetable_miss

  • Description: Number of times the system failed to access data in the internal cache.

Tokudb_cachetable_miss_time

  • Description: Total time in microseconds spent waiting for disk reads (when the cache could not supply the data) to finish.

Tokudb_cachetable_prefetches

  • Description: Total number of times that a block of memory was prefetched into the database cache. This happens when it's determined that a block of memory is likely to be accessed by the application.

Tokudb_cachetable_size_cachepressure

  • Description: Size in bytes of data causing cache pressure, or the sum of the buffers and workdone counters.

Tokudb_cachetable_size_cloned

  • Description: Memory in bytes currently used for cloned nodes. Dirty nodes are cloned before serialization/compression during checkpoint operations, after which they are written to disk and the memory freed for re-use.

Tokudb_cachetable_size_current

  • Description: Size in bytes of the uncompressed data in the cache.

Tokudb_cachetable_size_leaf

  • Description: Size in bytes of the leaf nodes in the cache.

Tokudb_cachetable_size_limit

  • Description: Size in bytes of the uncompressed data that could fit in the cache.

Tokudb_cachetable_size_nonleaf

  • Description: Size in bytes of the nonleaf nodes in the cache.

Tokudb_cachetable_size_rollback

  • Description: Size in bytes of the rollback nodes in the cache.

Tokudb_cachetable_size_writing

  • Description: Size in bytes currently queued to be written to disk.

Tokudb_cachetable_wait_pressure_count

  • Description: Number of times a thread was stalled due to cache pressure.

Tokudb_cachetable_wait_pressure_time

  • Description: Time in microseconds spent waiting for cache pressure to ease.

Tokudb_checkpoint_begin_time

  • Description: Cumulative time in microseconds needed to mark all dirty nodes as pending a checkpoint.

Tokudb_checkpoint_duration

  • Description: Time in seconds needed to complete all checkpoints.

Tokudb_checkpoint_duration_last

  • Description: Time in seconds needed to complete the last checkpoint.

Tokudb_checkpoint_failed

  • Description: Total number of checkpoints failed.

Tokudb_checkpoint_last_began

  • Description: Date and time the most recent checkpoint began, for example Wed May 14 11:26:42 2014 Will be Dec 31, 1969 on Linux if no checkpoint has ever begun.

Tokudb_checkpoint_last_complete_began

  • Description: Date and time the last complete checkpoint started.

Tokudb_checkpoint_last_complete_ended

  • Description: Date and time the last complete checkpoint ended.

Tokudb_checkpoint_long_begin_count

  • Description: Number of long checkpoint begins (checkpoint begins taking more than 1 second).

Tokudb_checkpoint_long_begin_time

  • Description: Total time in microseconds of long checkpoint begins (checkpoint begins taking more than 1 second).

Tokudb_checkpoint_period

  • Description: Time in seconds between the end of one automatic checkpoint and the beginning of the next.

Tokudb_checkpoint_taken

  • Description: Total number of checkpoints taken.

Tokudb_cursor_skip_deleted_leaf_entry

  • Description: Deleted leaf entries skipped during a range scan.
  • Introduced: TokuDB 7.5.4

Tokudb_db_closes

  • Description: Number of db_close operations.

Tokudb_db_open_current

  • Description: Number of databases currently open.

Tokudb_db_open_max

  • Description: Maximum of number of databases open at the same time.

Tokudb_db_opens

  • Description: Number of db_open operations.

Tokudb_descriptor_set

  • Description: Number of times a descriptor was updated when the entire dictionary was updated.

Tokudb_dictionary_broadcast_updates

  • Description: Number of successful broadcast updates (an update that affects all rows in a dictionary).

Tokudb_dictionary_updates

  • Description: Total number of rows updated in all primary and secondary indexes that have been done with a separate recovery log entry per index.

Tokudb_filesystem_fsync_num

  • Description: Total number of times the database has flushed the operating system’s file buffers to disk.

Tokudb_filesystem_fsync_time

  • Description: Total time in microseconds used to fsync to disk.

Tokudb_filesystem_long_fsync_num

  • Description: Total number of times the database has flushed the operating system’s file buffers to disk when the operation took more than one second.

Tokudb_filesystem_long_fsync_time

  • Description: Total time in microseconds used to fsync to disk when the operation took more than one second.

Tokudb_filesystem_threads_blocked_by_full_disk

  • Description: Number of threads currently blocked due to attempting to write to a full disk. A warning appears in the disk free space field if not zero.

Tokudb_leaf_compression_to_memory_seconds

  • Description: Time in seconds spent on compressing leaf nodes.

Tokudb_leaf_decompression_to_memory_seconds

  • Description: Time in seconds spent on decompressing leaf nodes.

Tokudb_leaf_deserialization_to_memory_seconds

  • Description: Time in seconds spent on deserializing leaf nodes.

Tokudb_leaf_node_compression_ratio

  • Description: Ratio of uncompressed bytes in-memory to compressed bytes on-disk for leaf nodes.

Tokudb_leaf_node_full_evictions

  • Description: Number of times a full leaf node was evicted from the cache.

Tokudb_leaf_node_full_evictions_bytes

  • Description: Total bytes freed when a full leaf node was evicted from the cache.

Tokudb_leaf_node_partial_evictions

  • Description: Number of times part of a leaf node (a partition) was evicted from the cache.

Tokudb_leaf_node_partial_evictions_bytes

  • Description: Total bytes freed when part of a leaf node (a partition) was evicted from the cache.

Tokudb_leaf_nodes_created

  • Description: Total number of leaf nodes created.

Tokudb_leaf_nodes_destroyed

  • Description: Total number of leaf nodes destroyed.

Tokudb_leaf_nodes_flushed_checkpoint

  • Description: Number of leaf nodes flushed to disk as part of a checkpoint.

Tokudb_leaf_nodes_flushed_checkpoint_bytes

  • Description: Size in bytes of leaf nodes flushed to disk as part of a checkpoint.

Tokudb_leaf_nodes_flushed_checkpoint_seconds

  • Description: Time in seconds spent waiting for IO while writing leaf nodes flushed to disk as part of a checkpoint.

Tokudb_leaf_nodes_flushed_checkpoint_uncompressed_bytes

  • Description: Size in uncompressed bytes of leaf nodes flushed to disk as part of a checkpoint.

Tokudb_leaf_nodes_flushed_not_checkpoint

  • Description: Number of leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_leaf_nodes_flushed_not_checkpoint_bytes

  • Description: Size in bytes of leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_leaf_nodes_flushed_not_checkpoint_seconds

  • Description: Time in seconds spent waiting for IO while writing leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_leaf_nodes_flushed_not_checkpoint_uncompressed_bytes

  • Description: Size in uncompressed bytes of leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_leaf_serialization_to_memory_seconds

  • Description: Time in seconds spent on serializing leaf nodes.

Tokudb_loader_num_created

  • Description: Number of times a loader has been created.

Tokudb_loader_num_current

  • Description: Number of currently existing loaders.

Tokudb_loader_num_max

  • Description: Maximum number of loaders that existed at one time.

Tokudb_locktree_escalation_num

  • Description: Number of times the locktree needed reduce its memory footprint by running lock escalation.

Tokudb_locktree_escalation_seconds

  • Description: Time in seconds spent performing locktree escalation.

Tokudb_locktree_latest_post_escalation_memory_size

  • Description: Memory size in bytes of the locktree after most recent locktree escalation.

Tokudb_locktree_long_wait_count

  • Description: Number of times of more than one second duration that a lock could not be acquired as a result of a conflict with another transaction.

Tokudb_locktree_long_wait_escalation_count

  • Description: Number of times a client thread waited for more than one second for lock escalation to free up memory.

Tokudb_locktree_long_wait_escalation_time

  • Description: Time in microseconds of long waits (more than one second) for lock escalation to free up memory.

Tokudb_locktree_long_wait_time

  • Description:Total time in microseconds spent by clients waiting for more than one second for a lock conflict to be resolved.

Tokudb_locktree_memory_size

  • Description: Memory in bytes currently being used by the locktree.

Tokudb_locktree_memory_size_limit

  • Description: Maximum memory in bytes the locktree can use.

Tokudb_locktree_open_current

  • Description: Number of currently open locktrees.

Tokudb_locktree_pending_lock_requests

  • Description: Number of requests waiting for a lock to be granted.

Tokudb_locktree_sto_eligible_num

  • Description: Number of locktrees eligible for single transaction optimizations.

Tokudb_locktree_sto_ended_num

  • Description: Total number of times a single transaction optimization completed early as a result of another transaction beginning.

Tokudb_locktree_sto_ended_seconds

  • Description: Time in seconds spent ending single transaction optimizations.

Tokudb_locktree_timeout_count

  • Description: Number of times a lock request timed out.

Tokudb_locktree_wait_count

  • Description: Number of times a lock could not be acquired as a result of a conflict with another transaction.

Tokudb_locktree_wait_escalation_count

  • Description: Number of times a client thread has waited on lock escalation. Lock escalation is run on a background thread when the sum of the acquired lock sizes reaches the lock tree limit.

Tokudb_locktree_wait_escalation_time

  • Description: Time in microseconds that a client thread spent waiting for lock escalation.

Tokudb_locktree_wait_time

  • Description: Total time in microseconds spent by clients waiting for a lock conflict to be resolved.

Tokudb_logger_wait_long

  • Description:

Tokudb_logger_writes

  • Description: Number of times the logger has written to disk.

Tokudb_logger_writes_bytes

  • Description: Total bytes the logger has written to disk.

Tokudb_logger_writes_seconds

  • Description: Time in seconds spent waiting for IO while writing logs to disk.

Tokudb_logger_writes_uncompressed_bytes

  • Description: Total uncompressed bytes the logger has written to disk.

Tokudb_mem_estimated_maximum_memory_footprint

  • Description:

Tokudb_messages_flushed_from_h1_to_leaves_bytes

  • Description: Total bytes of the messages flushed from h1 nodes to leaves.

Tokudb_messages_ignored_by_leaf_due_to_msn

  • Description: Number of messages ignored by a leaf because it had already been applied.

Tokudb_messages_in_trees_estimate_bytes

  • Description: Estimate of the total bytes of messages currently in trees.

Tokudb_messages_injected_at_root

  • Description: Number of messages injected at root.

Tokudb_messages_injected_at_root_bytes

  • Description: Total bytes of messages injected at root for all trees.

Tokudb_nonleaf_compression_to_memory_seconds

  • Description: Time in seconds spent on compressing non-leaf nodes.

Tokudb_nonleaf_decompression_to_memory_seconds

  • Description: Time in seconds spent on decompressing non-leaf nodes.

Tokudb_nonleaf_deserialization_to_memory_seconds

  • Description: Time in seconds spent on deserializing non-leaf nodes.

Tokudb_nonleaf_node_compression_ratio

  • Description: Ratio of uncompressed bytes in-memory to compressed bytes on-disk for nonleaf nodes.

Tokudb_nonleaf_node_full_evictions

  • Description: Number of times a full non-leaf node was evicted from the cache.

Tokudb_nonleaf_node_full_evictions_bytes

  • Description: Total bytes freed when a full non-leaf node was evicted from the cache.

Tokudb_nonleaf_node_partial_evictions

  • Description: Number of times part of a non-leaf node (a partition) was evicted from the cache.

Tokudb_nonleaf_node_partial_evictions_bytes

  • Description: Total bytes freed when part of a non-leaf node (a partition) was evicted from the cache.

Tokudb_nonleaf_nodes_created

  • Description: Total number of non-leaf nodes created.

Tokudb_nonleaf_nodes_destroyed

  • Description: Total number of non-leaf nodes destroyed.

Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint

  • Description: Number of non-leaf nodes flushed to disk as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_bytes

  • Description: Size in bytes of non-leaf nodes flushed to disk as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_seconds

  • Description: Time in seconds spent waiting for IO while writing non-leaf nodes flushed to disk as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_checkpoint_uncompressed_bytes

  • Description: Size in uncompressed bytes of non-leaf nodes flushed to disk as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint

  • Description: Number of non-leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_bytes

  • Description: Size in bytes of non-leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_seconds

  • Description: Time in seconds spent waiting for IO while writing non-leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_nonleaf_nodes_flushed_to_disk_not_checkpoint_uncompressed_bytes

  • Description: Size in uncompressed bytes of non-leaf nodes flushed to disk not as part of a checkpoint.

Tokudb_nonleaf_serialization_to_memory_seconds

  • Description: Time in seconds spent on serializing nonleaf nodes.

Tokudb_overall_node_compression_ratio

  • Description: Ratio of uncompressed bytes in-memory to compressed bytes on-disk for all nodes.

Tokudb_pivots_fetched_for_query

  • Description: Total number of pivot nodes fetched for queries.

Tokudb_pivots_fetched_for_query_bytes

  • Description: Number of bytes of pivot nodes fetched for queries.

Tokudb_pivots_fetched_for_query_seconds

  • Description: Time in seconds spent waiting for IO while fetching pivot nodes for queries.

Tokudb_pivots_fetched_for_prefetch

  • Description: Total number of pivot nodes fetched by a prefetch thread.

Tokudb_pivots_fetched_for_prefetch_bytes

  • Description: Number of bytes of pivot nodes fetched by a prefetch thread.

Tokudb_pivots_fetched_for_prefetch_seconds

  • Description: Time in seconds spent waiting for IO while fetching pivot nodes by a prefetch thread.

Tokudb_pivots_fetched_for_write

  • Description: Total number of pivot nodes fetched for writes.

Tokudb_pivots_fetched_for_write_bytes

  • Description: Number of bytes of pivot nodes fetched for writes.

Tokudb_pivots_fetched_for_write_seconds

  • Description: Time in seconds spent waiting for IO while fetching pivot nodes for writes.

Tokudb_promotion_h1_roots_injected_into

  • Description: Number of times a message stopped at a root with a height of 1.

Tokudb_promotion_injections_at_depth_0

  • Description: Number of times a message stopped at a depth of zero.

Tokudb_promotion_injections_at_depth_1

  • Description: Number of times a message stopped at a depth of one.

Tokudb_promotion_injections_at_depth_2

  • Description: Number of times a message stopped at a depth of two.

Tokudb_promotion_injections_at_depth_3

  • Description: Number of times a message stopped at a depth of three.

Tokudb_promotion_injections_lower_than_depth_3

  • Description: Number of times a message stopped at a depth of greater than three.

Tokudb_promotion_leaf_roots_injected_into

  • Description: Number of times a message stopped at a root with a height of 0.

Tokudb_promotion_roots_split

  • Description: Number of times the root split during promotion.

Tokudb_promotion_stopped_after_locking_child

  • Description: Number of times a message stopped before a locked child.

Tokudb_promotion_stopped_at_height_1

  • Description: Number of times a message stopped due to reaching a height of one.

Tokudb_promotion_stopped_child_locked_or_not_in_memory

  • Description: Number of times a message stopped due to being unable to cheaply access (locked or not stored in memory) a child.

Tokudb_promotion_stopped_child_not_fully_in_memory

  • Description: Number of times a message stopped due to being unable to cheaply access (not fully stored in memory) a child.

Tokudb_promotion_stopped_nonempty_buffer

  • Description: Number of times a message stopped due to reaching a buffer that wasn't empty.

Tokudb_txn_aborts

  • Description: Number of transactions that have been aborted.

Tokudb_txn_begin

  • Description: Number of transactions that have been started.

Tokudb_txn_begin_read_only

  • Description: Number of read-only transactions that have been started.

Tokudb_txn_commits

  • Description: Number of transactions that have been committed.

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