avoiding NPE in SigarFsProbe #2776
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jasontedor
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This commit is a first step towards a following engine implementation. Future work will build on this by using this engine to execute operations on a following engine from another engine (typically a remote leader engine) that has already assigned sequence numbers to such operations. Relates elastic#2776
jasontedor
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This commit is a first step towards a following engine implementation. Future work will build on this by using this engine to execute operations on a following engine from another engine (typically a remote leader engine) that has already assigned sequence numbers to such operations. Relates elastic#2776
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Some users report NPEs in 0.20.5 SigarFsProbe when starting ES on OpenVZ or USB drives. Checking sigar return objects for null might prevent this.