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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