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Update replication.tcl#453

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sundb wants to merge 3 commits into
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Open

Update replication.tcl#453
sundb wants to merge 3 commits into
8.6-basefrom
8.6-test

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@sundb

@sundb sundb commented May 8, 2026

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selasley and others added 2 commits May 7, 2026 08:10
redis#15177
Remove "$replica config set repl-diskless-load yes" line so tests will pass for redis 8.6.3
This fix follows redis#14667 and redis#14886

Several tests pipelined large numbers of commands on deferring clients
without draining replies. That can fill buffers and stall progress.

Fix by draining replies every 500 pipelined requests to avoid TCP
stalls.

---------

Co-authored-by: oranagra <oran@redislabs.com>
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codecov Bot commented May 8, 2026

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Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (8.6-base@bd3b38d). Learn more about missing BASE report.

Additional details and impacted files
@@             Coverage Diff             @@
##             8.6-base     #453   +/-   ##
===========================================
  Coverage            ?   76.29%           
===========================================
  Files               ?      138           
  Lines               ?    79702           
  Branches            ?        0           
===========================================
  Hits                ?    60811           
  Misses              ?    18891           
  Partials            ?        0           
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…14886)

The IDMP streams defrag test sends all commands (100k) before reading
any replies, which can cause TCP deadlock when buffers fill up.

Fix by batching writes and reads (1000 iterations per batch), consistent
with the approach already used in the script defrag test above.
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3 participants