Introduction and how to implement FTS

11. https://docs.microsoft.com/en-us/sql/relational-databases/search/full-text-search

14. bleve

15. Text Indexing Text Analysis Query

17. https://issues.couchbase.com/browse/MB-21018

21. REST API endpoint list
Viewing Cluster Details
Buckets API

22. Type Field name Remark
CPU cpu_utilization
SWAP swap_used
Free memory mem_free
Total memory mem_total

23. Type Field name Remark
disk consumed couch_docs_actual_disk_size the physical memory used in
the node
background fetches ep_bg_fetched data not in the cache and
pulled from disk

24. Type Field name Remark
Operations Per Second ops This is a fundamental measure of
the total number of gets, sets,
increment, and decrements that
occur for a given bucket.
Cache Miss ep_cache_miss_rate The metric counts the ratio of
requested objects found in the
cache in relation to what is needed
to be fetched from disk;
as close to 0 as possible
Fragmentation couch_docs_fragmentation measure should auto-compaction
be set on a scheduled basis

25. Type Field name Remark
Working Set ep_bg_fetched /
vb_active_resident_items_ratio
The resident items ratio and
memory headroom metrics to
understand if your bucket has
enough capacity to store the most
requested objects in memory
Disk Drain ep_queue_size to monitor regardless of what
you’re application is doing is the
drain rate.
From a REST standpoint we can
monitor both the queue fill
(ep_diskqueue_fill) and how quickly
the queue is draining
(ep_diskqueue_drain) to track the
trend over time.

26. cbstats
Monitor Using the cbstats Utility

27. Indexes for N1QL

29. Query Execution with
Global Indexes

32. EXPLAIN
provides information
about the execution plan
for the statement.

34. API Query Use index
/notebooks findByOwnerOrHaveReadPermission
select count(*) from `dbee` where javaClass =
"com.delta.ssir.dbee.repository.entity.Notebook"
AND LOWER(owner) = "amber.lee"
OR (javaClass = "com.delta.ssir.dbee.repository.entity.Notebook" AND
owner != "amber.lee" AND
ANY per IN permissions SATISFIES per = {"id":"amber.lee", "permission":1,
"role": "1"} END)
CREATE INDEX notebook_owner_permissions
ON `dbee` (owner, ALL permissions)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.Notebook"
countBySharedNote
select count(*) from `dbee` where javaClass =
"com.delta.ssir.dbee.repository.entity.Note"
AND shareNote == true
AND owner != "amber.lee"
AND ANY per IN permissions SATISFIES per = {"id":"amber.lee",
"permission":1, "role": "1"} END
CREATE INDEX
note_shareNote_owner_permissions
ON `dbee` (shareNote, owner, ALL permissions)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.Note"

35. 0
50
100
150
200
250
300
metric1 metric2 metric3
ElapsedTime(ms)
Metrics -findByOwnerOrHaveReadPermission
N1QL execution time
N1QL
Use Index

36. 0
200
400
600
800
1000
1200
1400
metric1 metric2 metric3
ElapsedTime(ms)
Metrics - countBySharedNote
N1QL execution time
N1QL
Use Index

37. API Query Use index
/users/info findByName
select * from `dbee` where javaClass =
"com.delta.ssir.dbee.repository.entity.User"
AND name = “rich.lee”
CREATE INDEX user_name
ON `dbee` (name)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.User"
countByOwnerAndIsDeletedFalse CREATE INDEX
note_owner_notebookId_isDeleted
ON `dbee` (owner, notebookId, isDeleted)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.Note"
countByOwnerIgnoreCase (Notebook) Use notebook_owner_permissions
countByAllNoteSharedWithMe
SELECT COUNT(*) FROM #{#n1ql.bucket} WHERE #{#n1ql.filter} AND
owner != $1
AND ANY per IN permissions SATISFIES per = per = {"id":$1, "permission":$2,
"role": $3} END
Use note_shareNote_owner_permissions

38. API Query Use index
/markers findByMarkerTypeOrderBySeqAndParentIds
select count(*) from `dbee` where javaClass =
"com.delta.ssir.dbee.repository.entity.Marker”
AND markerType = $1 ORDER BY ARRAY_LENGTH(parentIds), seq
CREATE INDEX marker_markerType_owner
ON `dbee` (markerType, owner)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.Marker"
findByOwnerAndMarkerTypeOrderBySeqAndParentIds
select count(*) from `dbee` where javaClass =
"com.delta.ssir.dbee.repository.entity.Marker”
AND owner = $1
AND markerType = $2
ORDER BY ARRAY_LENGTH(parentIds), seq
Use marker_markerType_owner

39. API Query Use index
/topics findByOwnerIgnoreCase CREATE INDEX topic_owner
ON `dbee` (owner)
WHERE javaClass =
"com.delta.ssir.dbee.repository.entity.Topic"

40. Array Indexing
Making the most of your Arrays… with N1QL Array Indexing
Indexing JSON in Couchbase
Indexing Best Practices