TxnStore Performance

Txnstore Performance enables you to view the performance statistics for the service operation that flows through TxnStore.

On the APM Dashboard > click TXNSTORE PERFORMANCE tab to view the performance statistics.

 

TxnStore Performace dashboard provides the  following information:

·       Cluster Details

·       TxnStore System Details

·       Nodes Details

    

Cluster details

A cluster is made up of one or more nodes. Cluster details displays the details such as total nodes, total indices, total documents and so on.

 

 

Following field description table contains information about cluster details:


Cluster Details

Description

Cluster Name

Indicates the name of the TxnStore cluster.

Health

Indicates the health of the cluster, status can be one of the following:

·       Green Status: Indicates that the cluster is in healthy (No issues with cluster) state.

·       Yellow Status: Indicates that the cluster is in some trouble and it is required to get the cluster back into healthy state.

·       Red Status: Indicates that the cluster is in danger zone and due to which elasticsearch might not work.

Total Nodes

Displays the total number of nodes (machines) where TxnStore is installed.

 Total Indices

Displays the total number of indexes created (Indices are like to databases in RDMS term). This is useful while performing diagnostic to keep TxnStore structure healthy.  

Total Documents

Displays the total number of documents (records) that are created.

Total Data

Displays the total size of data that is created in TxnStore.

Active Shards

Displays the total number of active shards. Shards are logical separation of data (shards like tables in terms of RDBMS)

Unassigned Shards

Displays the total un-assigned shards. If some of the nodes (machines) are unreachable in cluster, data (shards) of those machines become unreachable and shards remains in un-assign state.

Relocating Shards

As TxnStore moves, copies, or replicates the data internally between nodes, this field  represents the relocated data.

Initializing Shards

Indicates that the data is loading.

 

TxnStore System Details

    

 

Following field description table contains information about TxnStore System details:


TxnStore System details

Description

Uptime

Displays the up and running time of cluster.

TxnStore Memory

Displays the total available and used memory by TxnStore.

System Memory

Displays the total available and used system memory of all TxnStore cluster nodes.

System Disk

Displays the total system disk space available for TxnStore nodes to store the data.

 

Nodes Details

Whenever you are starting the TxnStore instance, you are actually starting the nodes. The Nodes details provides information about the nodes in which the data resides. Additionally, it displays information about the node whether it is available or unassigned.

    

 

Following field description table contains information about nodes:


Nodes details

Description

Index

Indicates the databases of TxnStore.

m

Indicates the master node and it will be in bold font.

d

Indicates the data node.

Other columns specifics different nodes

  • P shard (data table): Indicates the primary shard which shows the total number of records and data size present in shard.

  • R shard (data table): Indicates the replica shard which shows the total number of records and data size present in shard.

  • Unassigned: Indicates whether the shard data is available or not due to server not reachable or down.

  • Shard Table with Bold Font: Indicates that the particular shards are assigned shards.

  • Grayed Out or Faded Shards: Indicates that the particular shards are unassigned shards.

 

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