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https://issues.apache.org/jira/browse/CASSANDRA-20816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18012557#comment-18012557
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Dmitry Konstantinov commented on CASSANDRA-20816:
-------------------------------------------------
Another run to double-check:
[^ci_summary_trunk_ 20816_v2.htm]
[^results_details_trunk_ 20816_v2.tar.xz]
All failed tests are flaky or known issues not related to the change:
* dtest-latest.cqlsh_tests.test_cqlsh_copy.TestCqlshCopy
test_bulk_round_trip_with_timeouts
*
dtest-upgrade.upgrade_tests.cql_tests.TestCQLNodes3RF3_Upgrade_current_5_0_x_To_indev_trunk
test_limit_compact_table
*
dtest-upgrade.upgrade_tests.cql_tests.TestCQLNodes3RF3_Upgrade_current_4_1_x_To_indev_trunk
test_delete_row
* db.virtual.AccordDebugKeyspaceTest patchJournalVestigialTest-_jdk11_x86_64
* db.virtual.AccordDebugKeyspaceTest
patchJournalVestigialTest-latest_jdk11_x86_64
* distributed.test.SSTableLoaderEncryptionOptionsTest
bulkLoaderSuccessfullyStreamsOverSslWithDeprecatedSslStoragePort-_jdk11_x86_64
* distributed.test.ShortReadProtectionTest testSkinnyTableWithoutLiveRows[15:
read_cl=ALL flush=true paging=true,
transactionalMode=off]-cassandra.testtag_IS_UNDEFINED
* distributed.test.accord.AccordIncrementalRepairTest
fullRepairTest-cassandra.testtag_IS_UNDEFINED
* distributed.test.accord.AccordProgressLogTest
testFetchTimeWindow-_jdk11_x86_64
* simulator.test.AccordHarrySimulationTest test-cassandra.testtag_IS_UNDEFINED
> Optimize MessagingService.getVersionOrdinal
> -------------------------------------------
>
> Key: CASSANDRA-20816
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20816
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Messaging/Internode
> Reporter: Dmitry Konstantinov
> Assignee: Dmitry Konstantinov
> Priority: Normal
> Fix For: 5.x
>
> Attachments: 5.1_cpu.html, ci_summary_trunk_ 20816.htm,
> ci_summary_trunk_ 20816_v2.htm, image-2025-08-04-19-55-41-878.png,
> results_details_trunk_ 20816.tar.xz, results_details_trunk_ 20816_v2.tar.xz
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Based on CPU profile we spend about 0.41% of CPU in
> MessagingService.getVersionOrdinal logic during a basic plain write stress
> test.
> The map lookup (with an implicit auto-boxing) can be replaced with a plain
> arithmetic operation.
> A unit test can be used to ensure that the assumption about serialization
> version incrementing for new versions is correct.
> !image-2025-08-04-19-55-41-878.png|width=700!
> [^5.1_cpu.html]
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