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https://issues.apache.org/jira/browse/STORM-4040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Zowalla closed STORM-4040.
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Fix Version/s: 2.6.2
Resolution: Fixed
> Nimbus fails to start up on older CPUs (RocksDB v7.x.x onwards)
> ---------------------------------------------------------------
>
> Key: STORM-4040
> URL: https://issues.apache.org/jira/browse/STORM-4040
> Project: Apache Storm
> Issue Type: Documentation
> Components: documentation
> Affects Versions: 2.5.0
> Environment: CPU is pre-Haswell
> Reporter: Scott Moore
> Assignee: Scott Moore
> Priority: Minor
> Fix For: 2.6.2
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When Nimbus start-up and storm_rocks already contains data, the JVM will
> encounter an illegal instruction exception if the CPU is pre-Haswell era.
> This can be seen on such a CPU by deploying a running topology then
> restarting Nimbus. It will fail to startup because the JVM will have crashed
> when RocksDB reads the state from storm_rocks folder. (You can recover from
> this by deleting the storm_rocks folder - Nimbus will then startup ok ...
> until the next time it restarts!)
> The issue is that RocksDB v7.x.x or higher (so, applies to Storm 2.5.0
> onwards from this commit
> [https://github.com/apache/storm/commit/d7b4c084a89961a4060edb2e755491a21015c200])
> is a C++ component built for modern CPUs. The fix for this is to downgrade
> RocksDB to pre v7.x.x (or you can build your own version of v7+ from source
> with certain compiler options set)
> You can find other reports of this - e.g.
> [https://github.com/facebook/rocksdb/issues/11096] or
> [https://github.com/trezor/blockbook/issues/684]
> This is not a bug in Storm, of course. Nor is it a bug - more a 'minimum
> requirements'.
> So I have a pull request to suggest workarounds for this in the
> Troubleshooting guide.
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