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Add logs for ensemble select failed #3779

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merged 5 commits into from
Feb 22, 2023
Merged

Add logs for ensemble select failed #3779

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c6505dd
add logs for ensemble select failed
hangc0276 Feb 14, 2023
374b8b0
address comments
hangc0276 Feb 18, 2023
a4dda6d
format code
hangc0276 Feb 18, 2023
75aad86
change log level
hangc0276 Feb 18, 2023
2f22475
update log information
hangc0276 Feb 18, 2023
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9 changes: 6 additions & 3 deletions ...rver/src/main/java/org/apache/bookkeeper/client/RackawareEnsemblePlacementPolicyImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -519,9 +519,9 @@ public BookieNode selectFromNetworkLocation(
networkLoc, excludeBookies);
throw e;
}
LOG.warn("Failed to choose a bookie from {} : "
+ "excluded {}, fallback to choose bookie randomly from the cluster.",
networkLoc, excludeBookies);
LOG.warn("Failed to choose a bookie from {} : leaves {}, excluded bookies {}, "
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The leaves may confuse the user.

Failed to choose a bookie from {} : leaves -> Failed to choose a bookie from network location {}, the network location corresponding bookies {}

+ "current ensemble {}, fallback to choose bookie randomly from the cluster.",
networkLoc, topology.getLeaves(networkLoc), excludeBookies, ensemble);
// randomly choose one from whole cluster, ignore the provided predicate.
return selectRandom(1, excludeBookies, predicate, ensemble).get(0);
}
Expand All @@ -544,6 +544,9 @@ public BookieNode selectFromNetworkLocation(String networkLoc,
* the whole cluster and exclude the racks specified at
* <tt>excludeRacks</tt>.
*/
LOG.warn("Failed to choose a bookie node from {} : leaves {}, exclude Bookies {}, "
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The leaves may confuse the user.

Failed to choose a bookie from {} : leaves -> Failed to choose a bookie from network location {}, the network location corresponding bookies {}

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make sense

+ "current ensemble {}, fallback to choose bookie randomly from the cluster.",
networkLoc, topology.getLeaves(networkLoc), excludeBookies, ensemble);
return selectFromNetworkLocation(excludeRacks, excludeBookies, predicate, ensemble, fallbackToRandom);
}
}
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