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Use BufReader and BufWriter - #684
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dvdplm
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Sep 7, 2018
| let file = fs::File::create(path)?; | ||
| serialize(file, &self.store) | ||
| serialize(BufWriter::with_capacity(1024 * 1024, file), &self.store) |
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Curious, how did you get to 1Mb being a good value here?
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Considering that the file is 45MB right now, the default of 8kB looked a bit too low to me.
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So why 1? Why not 2? Or 5 or 45?
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Well, an arbitrary value had to be set.
Ideally we would benchmark multiple values, but this doesn't seem very productive to me at this stage.
dvdplm
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Sep 7, 2018
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Build is stumbling on the |
pepyakin
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Sep 7, 2018
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Should be fixed by rebasing to the tip of the master |
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Sep 8, 2018
…rs-generic-over-hasher-and-rlpcodec * origin/master: Fixed sync stalling when import queue is full (#691) New extrinsic dispatch model (#678) remove parachain's Cargo.lock (#682) Implement json metadata for outer events (#672) Improvements to the Kademlia system (#688) Use BufReader and BufWriter (#684) Switch to using parity/rust:substrate which has rust nightly-2018-08-31 (#686) Update to latest libp2p (#673) Implement storage json metadata (#670) impl MaybeEmpty for H256 and u64 (aka AccountId in prod/tests) (#665) Speedup compilation (#671) Remove requirement of function indices for decl_module! (#666) DigestItem trait (v2) (#650)
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Fixes all the performances issues, and should also fix most of the weird disconnects.