performa/performa/scenarios/mq/omsimulator-ha-call.rst

RPC CALL fail-over test report

This scenario is executed with help of oslo.messaging simulator. There is one client-server pair of simulator running in single-threaded mode. The stats are collected from both client and server and detailed report is shown with one second precision.

Execution Summary

{{'''

title: RPC CALL Execution summary fields: a1: Client sent, msg a2: Server received, msg a3: Client received replies, msg a4: Loss, msg a5: Errors, msg b1: Duration, sec c1: Throughput, msg/sec d1: Transfer, Mb d2: Bandwidth, Mb/sec e1: Avg. request latency, ms e2: Max request latency, ms e3: Avg. round-trip latency, ms e4: Max round-trip latency, ms collection: records pipeline: - $match: { task: omsimulator, mode: call } - $project: a1: "$client.count" a2: "$server.count" a3: "$round_trip.count" a4: { $subtract: ["$client.count", "$round_trip.count" ] } a5: "$error.count" b1: "$client.duration" c1: { $divide: ["$client.count", "$client.duration"] } d1: { $divide: ["$client.size", 1048576] } d2: { $divide: [$divide: ["$client.size", 1048576], "$client.duration"] } e1: { $multiply: ["$server.latency", 1000] } e2: { $multiply: ["$server.max_latency", 1000] } e3: { $multiply: ["$round_trip.latency", 1000] } e4: { $multiply: ["$round_trip.max_latency", 1000] }

''' | info }}

Message flow

This chart shows the message flow between client and server. It includes messages sent by the client, received by the server, replies received by the client and errors caught by the client.

{{'''

title: RPC CALL message flow axes: x: time y1: sent, msg y2: received, msg y3: round-trip, msg y4: errors, msg chart: line collection: series pipelines: - - $match: { task: omsimulator, mode: call, name: client_0 } - $project: x: "$timestamp" y1: "$count" - - $match: { task: omsimulator, mode: call, name: server } - $project: x: "$timestamp" y2: "$count" - - $match: { task: omsimulator, mode: call, name: round_trip_0 } - $project: x: "$timestamp" y3: "$count" - - $match: { task: omsimulator, mode: call, name: error_0 } - $project: x: "$timestamp" y4: "$count"

''' | chart }}

where:

• sent - messages sent by the client
• received - messages received by the server
• round-trip - replies to messages received by the client
• errors - errors exposed and caught by the client

Messages sent by the client

This chart shows messages sent by client and error rate.

{{'''

title: RPC CALL sent messages axes: x: time y: sent, msg y2: errors, msg chart: line collection: series pipelines: - - $match: { task: omsimulator, mode: call, name: client_0 } - $project: x: "$seq" y: "$count" - - $match: { task: omsimulator, mode: call, name: error_0 } - $project: x: "$seq" y2: "$count"

''' | chart_and_table }}

Messages received by the server

This chart shows messages received by the server and their latency.

{{'''

title: RPC CALL received messages axes: x: time y: sent, msg y2: latency, ms chart: line collection: series pipeline: - $match: { task: omsimulator, mode: call, name: server } - $project: x: "$seq" y: "$count" y2: { $multiply: ["$latency", 1000] }

''' | chart_and_table }}

Replies received by the client

This chart shows replies received by the client and total round-trip latency.

{{'''

title: RPC CALL round-trip messages axes: x: time y: round-trip, msg y2: latency, ms chart: line collection: series pipeline: - $match: { task: omsimulator, mode: call, name: round_trip_0 } - $project: x: "$seq" y: "$count" y2: { $multiply: ["$latency", 1000] }

''' | chart_and_table }}