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kvstore

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    Provides low-level stats from the underlying KV storage system.

    Syntax

    Request syntax:

    cbstats [hostname]:11210 kvstore

    Description

    This command is useful to understand various states of the storage system.

    Table 1. CouchStore database engine stats
    Stat Description

    backend_type

    Type of backend database engine

    close

    Number of database close operations.

    failure_get

    Number of failed get operations.

    failure_open

    Number of failed open operations.

    failure_set

    Number of failed set operations.

    failure_vbset

    Number of failed vbucket set operation

    lastCommDocs

    Number of docs in the last commit.

    numLoadedVb

    Number of Vbuckets loaded into memory.

    open

    Number of database open operations.

    Options

    None

    Example

    Request

    cbstats 10.5.2.54:11210 kvstore

    Response

     ro_0:backend_type:  couchstore
     ro_0:close:         0
     ro_0:failure_get:   0
     ro_0:failure_open:  0
     ro_0:numLoadedVb:   0
     ro_0:open:          0
     ro_1:backend_type:  couchstore
     ro_1:close:         0
     ro_1:failure_get:   0
     ro_1:failure_open:  0
     ro_1:numLoadedVb:   0
     ro_1:open:          0
     ro_2:backend_type:  couchstore
     ro_2:close:         0
     ro_2:failure_get:   0
     ro_2:failure_open:  0
     ro_2:numLoadedVb:   0
     ro_2:open:          0
     ro_3:backend_type:  couchstore
     ro_3:close:         0
     ro_3:failure_get:   0
     ro_3:failure_open:  0
     ro_3:numLoadedVb:   0
     ro_3:open:          0
     rw_0:backend_type:  couchstore
     rw_0:close:         0
     rw_0:failure_del:   0
     rw_0:failure_get:   0
     rw_0:failure_open:  0
     rw_0:failure_set:   0
     rw_0:failure_vbset: 0
     rw_0:lastCommDocs:  0
     rw_0:numLoadedVb:   0
     rw_0:open:          0
     rw_1:backend_type:  couchstore
     rw_1:close:         0
     rw_1:failure_del:   0
     rw_1:failure_get:   0
     rw_1:failure_open:  0
     rw_1:failure_set:   0
     rw_1:failure_vbset: 0
     rw_1:lastCommDocs:  0
     rw_1:numLoadedVb:   0
     rw_1:open:          0
     rw_2:backend_type:  couchstore
     rw_2:close:         0
     rw_2:failure_del:   0
     rw_2:failure_get:   0
     rw_2:failure_open:  0
     rw_2:failure_set:   0
     rw_2:failure_vbset: 0
     rw_2:lastCommDocs:  0
     rw_2:numLoadedVb:   0
     rw_2:open:          0
     rw_3:backend_type:  couchstore
     rw_3:close:         0
     rw_3:failure_del:   0
     rw_3:failure_get:   0
     rw_3:failure_open:  0
     rw_3:failure_set:   0
     rw_3:failure_vbset: 0
     rw_3:lastCommDocs:  0
     rw_3:numLoadedVb:   0
     rw_3:open:          0