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Overview
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Ticket:
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- Test lasted for 4 days and 6 hours.
- Average response time per request degrades from 1s to 20 s at the end of the test.
- Test finished after response time reached 20 seconds and 500 error was received.
- Query plans comparison showed that execution time of the query depends directly on the OFFSET parameter.
- No data consumptions issues were found.
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Test # | Test Conditions | Duration | Load generator size (recommended) | Load generator Memory(GiB) (recommended) | Notes |
1. |
| 4 days 6 hours | t3.medium | 3 | 2 test runs were conducted to reproduce the issues |
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PTF -environment ncp2 [
- 12 m6i.2xlarge EC2 instances located in us-east
- 2 instances of db.r6.xlarge database instances, one reader and one writer
- MSK ptf-kakfa-3
- 4 m5.2xlarge brokers in 2 zones
Apache Kafka version 2.8.0
EBS storage volume per broker 300 GiB
- auto.create.topics.enable=true
- log.retention.minutes=480
- default.replication.factor=3
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Modules | Version | Task Definition | Running Tasks | CPU | Memory | MemoryReservation | MaxMetaspaceSize | Xmx |
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edge-oai-pmh | 2.5.1 | 1 | 2 | 1024 | 1512 | 1360 | 512m | 1440m |
mod-oai-pmh | 3.10.0 | 1 | 2 | 1024 | 2248 | 2000 | 512m | 1440m |
mod-inventory-storage | 25.0.1 | 1 | 2 | 1024 | 2208 | 1952 | 512m | 1440m |
mod-source-record-storage | 5.5.2 | 1 | 2 | 1024 | 1536 | 1440 | 512m | 908m |
mod-source-record-manager | 3.5.4 | 2 | 2 | 1024 | 4096 | 3688 | 512m | 2048m |
okapi | 4.14.7 | 1 | 3 | 1024 | 1684 | 1440 | 512m | 922m |
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