Use Array.push() instead of spread/concat #985
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t-d-d
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Great contribution, thanks @t-d-d |
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Found this via profiling. The change made a significant improvement for my use case - restoring multi Gigabyte state stores with 10s millions of messages (passing the key and value Buffers directly on to leveldb.)
Full data load time:
Before: 136s
After: 39s
With an empty eachBatch function:
Before: 127s
After: 28s