chore: add an example for the timeouts of spdk bdev_nvme_attach_controller #172
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…oller Longhorn 9874 Signed-off-by: Derek Su <[email protected]>
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #172 +/- ##
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- Coverage 22.95% 22.89% -0.07%
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Files 34 34
Lines 4813 4813
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- Hits 1105 1102 -3
- Misses 3535 3537 +2
- Partials 173 174 +1
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🧹 Outside diff range and nitpick comments (1)
pkg/types/types.go (1)
29-42: Fix typo in reconnection delay documentationThe documentation provides excellent clarity on the timeout sequence. However, there's a typo in step 6:
- 2Reconnect_Delay_Sec seconds. + DefaultReconnectDelaySec seconds.The detailed documentation of the timeout sequence is valuable, especially for understanding the controller loss and reconnection behavior related to the instance manager deletion issue.
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pkg/types/types.go(1 hunks)
🔇 Additional comments (2)
pkg/types/types.go (2)
25-26: Document the purpose of ExecuteTimeout constant
The newly added ExecuteTimeout constant lacks documentation explaining its purpose and relationship to other timeout constants. Given its 60-second duration, which is longer than other timeouts, it's important to understand:
- When and where this timeout is used
- How it relates to the instance manager deletion scenario
- Why 60 seconds was chosen as the value
50-53: Verify impact of reduced transport ACK timeout
The change reduces the transport ACK timeout from ~16.384s (2^14 ms) to ~1.024s (2^10 ms). While faster error detection is generally beneficial, please verify:
- Whether this reduction could affect the stability of NVMe connections during instance manager operations
- If this change has been tested with various network conditions
- How this interacts with
DefaultCtrlrLossTimeoutSec(15s) andDefaultFastIOFailTimeoutSec(10s)
Consider documenting the relationship between these different timeouts in a diagram or table, showing how they interact during various failure scenarios.
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@DamiaSan Can you help review it? Thank you. |
Which issue(s) this PR fixes:
Issue longhorn/longhorn#9874
What this PR does / why we need it:
Special notes for your reviewer:
Additional documentation or context