vbucket-seqno

Provides seqno statistics for vBuckets.

Syntax

Request syntax:

cbstats host:11210 [common options] vbucket-seqno [vbid]

Description

This command provides details connected to the sequence number (seqno) for the specified vBucket, or for each vBucket if none is specified.

Table 1. vBucket seqno statistics
Name	Description
`abs_high_seqno`	The last seqno assigned by this vBucket.
`high_seqno`	The last seqno assigned by this vBucket, or in case of replica, the last closed checkpoint’s end seqno.
`last_persisted_seqno`	The last persisted seqno for the vBucket.
`purge_seqno`	The last seqno purged by the compactor.
`uuid`	The current vBucket uuid.
`last_persisted_snap_start`	The last persisted snapshot start seqno for the vBucket.
`last_persisted_snap_end`	The last persisted snapshot end seqno for the vBucket.

Options

Table 2. vbucket-seqno options
Option	Description
`vbid`	vBucket ID. In a standard system this will be between 0 and 1023. If not provided as part of the command then details for all vBuckets are shown.

For common cbstats options, see cbstats.

Example

Request

cbstats localhost:11210 -u Administrator -p password -b beer-sample vbucket-seqno 1023

Response

 vb_1023:abs_high_seqno:            10
 vb_1023:high_seqno:                10
 vb_1023:last_persisted_seqno:      10
 vb_1023:last_persisted_snap_end:   10
 vb_1023:last_persisted_snap_start: 10
 vb_1023:purge_seqno:               0
 vb_1023:uuid:                      66069026212209