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Couchbase Server
MB-59191
Shard Rebalance : No significant performance gain with 1000 index plasma dgm
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Details
Type:
Bug
Resolution:
Fixed
Priority:
Major
Fix Version/s:
7.6.0
Affects Version/s:
7.6.0
Component/s:
secondary-index
Labels:
file-based-rebalance
performance
Triage:
Untriaged
Story Points:
0
Is this a Regression?:
Unknown
Description
Test 6: 100M, 1000 index
20%RR DGM
Rebalance in (1 -> 2)
Shard Rebalance
DCP rebalance
Rebalance time
11.7 min
17.2 min
Throughput
184471.5
189569.7
Latency 90th
.99 ms
.97 ms
Latency 95th
1.32 ms
1.28 ms
Run
https://perf.jenkins.couchbase.com/job/aether/3296/consoleFull
https://perf.jenkins.couchbase.com/job/aether/3295/consoleFull
Cbmonitor
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_c356
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_f9e6
DGM % changes from to
16% -> 4%
10% -> 15%
Rebalance out(2 -> 1)
7.6.0-1656
Rebalance time
25.7 min
42 min
Throughput
180228.1
170323.2
Latency 90th
1.06 ms
1.27 ms
Latency 95th
1.43 ms
1.87 ms
Run
https://perf.jenkins.couchbase.com/job/aether/3301/consoleFull
https://perf.jenkins.couchbase.com/job/aether/3300/consoleFull
Cbmonitor
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_4917
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_cc91
DGM % changes from to
51% -> 2
57% -> 4%
Rebalance swap(1->1) initally 2 index nodes
7.6.0-1656
Rebalance time
19.8 min
19.6 min
Throughput
234335.2
228611.3
Latency 90th
.75 ms
.76 ms
Latency 95th
.88 ms
.9 ms
Run
https://perf.jenkins.couchbase.com/job/aether/3302/consoleFull
https://perf.jenkins.couchbase.com/job/aether/3293/consoleFull
Cbmonitor
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_976d
http://cbmonitor.sc.couchbase.com/reports/html/?snapshot=aether_760-1656_rebalance_6323
DGM % changes from to
25% -> 15%
55% -> 26%
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Activity
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Assignee:
Vikas Chaudhary
Reporter:
Vikas Chaudhary
Votes:
0
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Watchers:
5
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Dates
Created:
18/Oct/23 6:02 AM
Updated:
21/Nov/23 1:19 AM
Resolved:
02/Nov/23 1:01 AM
Gerrit Reviews
There are no open Gerrit changes
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There are 3 closed Gerrit changes
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There are 3 closed Gerrit changes
MB-59191 Rename retryDefns to retryInsts
Gerrit Review:
MB-59191 Use batch builder to post build index requests
Gerrit Review:
MB-59191 Add startShardRecoveryNonServerless
Gerrit Review:
PagerDuty