mirror of
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a7e2430b79
Today we report node stats by name, but the desired nodes work in terms of node IDs. This commit adds a mapping between node name and ID to make the output easier to interpret.
176 lines
4.4 KiB
Text
176 lines
4.4 KiB
Text
[[get-desired-balance]]
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=== Get desired balance API
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++++
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<titleabbrev>Get desired balance</titleabbrev>
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++++
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NOTE: {cloud-only}
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Exposes the desired balance and basic metrics.
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[[get-desired-balance-request]]
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==== {api-request-title}
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[source,console]
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--------------------------------------------------
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GET /_internal/desired_balance
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--------------------------------------------------
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// TEST[skip:Can't reliably test desired balance]
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The API returns the following result:
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[source,console-result]
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--------------------------------------------------
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{
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"stats": {
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"computation_active": false,
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"computation_submitted": 5,
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"computation_executed": 5,
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"computation_converged": 5,
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"computation_iterations": 4,
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"computation_converged_index": 4,
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"computation_time_in_millis": 0,
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"reconciliation_time_in_millis": 0
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},
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"cluster_balance_stats" : {
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"tiers": {
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"data_hot" : {
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"shard_count" : {
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"total" : 7.0,
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"min" : 2.0,
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"max" : 3.0,
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"average" : 2.3333333333333335,
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"std_dev" : 0.4714045207910317
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},
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"forecast_write_load" : {
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"total" : 21.0,
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"min" : 6.0,
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"max" : 8.5,
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"average" : 7.0,
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"std_dev" : 1.0801234497346435
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},
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"forecast_disk_usage" : {
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"total" : 36.0,
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"min" : 10.0,
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"max" : 16.0,
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"average" : 12.0,
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"std_dev" : 2.8284271247461903
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},
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"actual_disk_usage" : {
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"total" : 36.0,
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"min" : 10.0,
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"max" : 16.0,
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"average" : 12.0,
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"std_dev" : 2.8284271247461903
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}
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},
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"data_warm" : {
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"shard_count" : {
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"total" : 3.0,
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"min" : 1.0,
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"max" : 1.0,
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"average" : 1.0,
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"std_dev" : 0.0
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},
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"forecast_write_load" : {
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"total" : 0.0,
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"min" : 0.0,
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"max" : 0.0,
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"average" : 0.0,
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"std_dev" : 0.0
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},
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"forecast_disk_usage" : {
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"total" : 42.0,
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"min" : 12.0,
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"max" : 18.0,
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"average" : 14.0,
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"std_dev" : 2.8284271247461903
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},
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"actual_disk_usage" : {
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"total" : 42.0,
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"min" : 12.0,
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"max" : 18.0,
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"average" : 14.0,
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"std_dev" : 2.8284271247461903
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}
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}
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},
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"nodes": {
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"node-1": {
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"node_id": "UPYt8VwWTt-IADAEbqpLxA",
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"shard_count": 10,
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"forecast_write_load": 8.5,
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"forecast_disk_usage_bytes": 498435,
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"actual_disk_usage_bytes": 498435
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},
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"node-2": {
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"node_id": "bgC66tboTIeFQ0VgRGI4Gg",
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"shard_count": 15,
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"forecast_write_load": 3.25,
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"forecast_disk_usage_bytes": 384935,
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"actual_disk_usage_bytes": 384935
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},
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"node-3": {
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"node_id": "2x1VTuSOQdeguXPdN73yRw",
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"shard_count": 12,
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"forecast_write_load": 6.0,
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"forecast_disk_usage_bytes": 648766,
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"actual_disk_usage_bytes": 648766
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}
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}
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},
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"routing_table": {
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"test": {
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"0": {
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"current": [
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{
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"state": "STARTED",
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"primary": true,
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"node": "UPYt8VwWTt-IADAEbqpLxA",
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"node_is_desired": true,
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"relocating_node": null,
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"relocating_node_is_desired": false,
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"shard_id": 0,
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"index": "test",
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"forecast_write_load": 8.0,
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"forecast_shard_size_in_bytes": 1024
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}
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],
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"desired": {
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"node_ids": [
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"UPYt8VwWTt-IADAEbqpLxA"
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],
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"total": 1,
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"unassigned": 0,
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"ignored": 0
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}
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},
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"1": {
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"current": [
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{
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"state": "STARTED",
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"primary": true,
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"node": "2x1VTuSOQdeguXPdN73yRw",
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"node_is_desired": true,
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"relocating_node": null,
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"relocating_node_is_desired": false,
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"shard_id": 1,
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"index": "test",
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"forecast_write_load": null,
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"forecast_shard_size_in_bytes": null
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}
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],
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"desired": {
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"node_ids": [
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"2x1VTuSOQdeguXPdN73yRw"
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],
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"total": 1,
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"unassigned": 0,
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"ignored": 0
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}
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}
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}
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}
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}
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--------------------------------------------------
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// TEST[skip:Can't reliably test desired balance]
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