catches exceptions and logs when planning compactions #4435
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dlmarion
reviewed
Apr 8, 2024
| String cacheKey = tablet.getTableId() + " " + e.getClass().getName(); | ||
| // This check defends against every tablet in a table having the same problem and therefore | ||
| // generating an enormous amount of spam for the logs. | ||
| var last = generateJobsErrorCache.getIfPresent(cacheKey); |
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I think you might be able to just call Cache.get(Key,Function) here and last will be null if it doesn't exist.
Suggested change
| var last = generateJobsErrorCache.getIfPresent(cacheKey); | |
| if (generateJobsErrorCache.get(cacheKey, () -> System.currentTimeMillis) == null) { |
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Looking at the docs for get it will return the computed value if absent. Can get the prev value w/ putIfAbsent. Made that change in d246ee8
| "Failed to generate compaction jobs for {}. Other tablets may be experiencing the" | ||
| + " same error, this log message is temporarily suppressed for the entire table.", | ||
| tablet.getExtent(), e); | ||
| generateJobsErrorCache.put(cacheKey, System.currentTimeMillis()); |
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Remove this if you apply my suggestion above.
Suggested change
| generateJobsErrorCache.put(cacheKey, System.currentTimeMillis()); |
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