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35 Commits

Author SHA1 Message Date
Péter Szilágyi 88a593d559
cmd/geth, trie: report on trie cache unloads, also add debug log 2016-10-19 17:31:19 +03:00
Felix Lange 5d9bb0a050 trie: add metric to track cache unloading (#3175) 2016-10-19 16:07:19 +02:00
Felix Lange d48e6ae66f trie: make the cache miss counter a real metric 2016-10-19 15:22:37 +02:00
Jeffrey Wilcke 25ac04a444 Merge pull request #3153 from fjl/trie-unload-fix 
trie: improve cache unloading mechanism
 2016-10-19 13:35:49 +02:00
Péter Szilágyi 2bb5ec1e41
cmd/geth, trie: track and report trie cache misses 2016-10-19 14:12:35 +03:00
Felix Lange 177cab5fe7 trie: ensure resolved nodes stay loaded 
Commit 40cdcf1183 broke the optimisation which kept nodes resolved
during Get in the trie. The decoder assigned cache generation 0
unconditionally, causing resolved nodes to get flushed on Commit.

This commit fixes it and adds two tests.
 2016-10-18 04:57:47 +02:00
Felix Lange 187d6a66a5 trie: avoid loading the root node twice 
New checks whether the root node is present by loading it from the
database. Keep the node around instead of discarding it.
 2016-10-18 04:57:47 +02:00
Felix Lange 40cdcf1183 trie, core/state: improve memory usage and performance (#3135) 
* trie: store nodes as pointers

This avoids memory copies when unwrapping node interface values.

name      old time/op  new time/op  delta
Get        388ns ± 8%   215ns ± 2%  -44.56%  (p=0.000 n=15+15)
GetDB      363ns ± 3%   202ns ± 2%  -44.21%  (p=0.000 n=15+15)
UpdateBE  1.57µs ± 2%  1.29µs ± 3%  -17.80%  (p=0.000 n=13+15)
UpdateLE  1.92µs ± 2%  1.61µs ± 2%  -16.25%  (p=0.000 n=14+14)
HashBE    2.16µs ± 6%  2.18µs ± 6%     ~     (p=0.436 n=15+15)
HashLE    7.43µs ± 3%  7.21µs ± 3%   -2.96%  (p=0.000 n=15+13)

* trie: close temporary databases in GetDB benchmark

* trie: don't keep []byte from DB load around

Nodes decoded from a DB load kept hashes and values as sub-slices of
the DB value. This can be a problem because loading from leveldb often
returns []byte with a cap that's larger than necessary, increasing
memory usage.

* trie: unload old cached nodes

* trie, core/state: use cache unloading for account trie

* trie: use explicit private flags (fixes Go 1.5 reflection issue).

* trie: fixup cachegen overflow at request of nick

* core/state: rename journal size constant
 2016-10-14 19:04:33 +03:00
Felix Lange c3a77d6268 trie: fix delete bug for values contained in fullNode 
Delete crashed if a fullNode contained a valueNode directly. This bug is
very unlikely to occur with SecureTrie, but can happen with regular
tries. This commit also introduces a randomised test which triggers all
trie operations, which should prevent such bugs in the future.

Credit for finding this bug goes to Github user @rjl493456442.
 2016-09-29 22:53:59 +02:00
Felix Lange ba8c4c6b1a trie: remove dependency on package crypto 
Package crypto needs cgo, which is inconvenient for some build
configurations.
 2016-09-29 22:23:24 +02:00
Felix Lange cd791bd855 core, trie: replace state caches with trie journal 2016-09-28 11:27:28 +03:00
Péter Szilágyi 748d1c171d core, core/state, trie: enterprise hand-tuned multi-level caching 2016-05-26 16:33:09 +03:00
Ricardo Catalinas Jiménez 436fc8d76a all: Rename crypto.Sha3{,Hash}() to crypto.Keccak256{,Hash}() 
As we aren't really using the standarized SHA-3
 2016-02-21 22:34:34 +00:00
zsfelfoldi ef422ee1e1 light: implemented odr-capable trie and state structures 2015-12-17 16:07:54 +01:00
zsfelfoldi 52904ae32f trie: added error handling 
Created alternate versions of Trie and SecureTrie functions that can return a MissingNodeError (used by ODR services)
 2015-12-01 01:38:32 +01:00
Péter Szilágyi b97e34a8e4 eth/downloader: concurrent receipt and state processing 2015-10-19 10:03:10 +03:00
Felix Lange 565d9f2306 core, trie: new trie 2015-09-22 22:53:49 +02:00
Jeffrey Wilcke b8ca0a830e eth, trie: removed key prefixing from state entries & merge db fix 
Fixed database merge strategy to use the correct database. Due to a copy
paste fail when doing type evaluation the same database was being
iterated (chain), all others were ignored.

Removed state prefixing because {H(code): code} is stored in the same
database as the rest of the state.
 2015-08-13 20:44:03 +02:00
Jeffrey Wilcke a23478c0be core, eth, trie, xeth: merged state, chain, extra databases in one 2015-08-07 22:29:02 +02:00
Ethan Buchman c1d516546d faster hex-prefix codec and string -> []byte 2015-08-06 03:17:59 -04:00
Felix Lange bfbcfbe4a9 all: fix license headers one more time 
I forgot to update one instance of "go-ethereum" in commit 3f047be5a.
 2015-07-23 18:35:11 +02:00
Felix Lange 3f047be5aa all: update license headers to distiguish GPL/LGPL 
All code outside of cmd/ is licensed as LGPL. The headers
now reflect this by calling the whole work "the go-ethereum library".
 2015-07-22 18:51:45 +02:00
Felix Lange bdae4fd573 all: add some godoc synopsis comments 2015-07-07 14:12:45 +02:00
Felix Lange ea54283b30 all: update license information 2015-07-07 14:12:44 +02:00
Jeffrey Wilcke 0a1ff68c11 trie: dirty tracking 2015-07-04 02:51:36 +02:00
obscuren cf45b939a0 fixed tests 2015-03-19 14:31:14 +01:00
obscuren d7ab716eea Fixed mkdnode & added some tests 2015-03-19 10:57:02 +01:00
obscuren b523441361 Moved ethutil => common 2015-03-16 11:27:38 +01:00
obscuren 3c7181d28f Fixed a copy issue in the trie which could cause a consensus failure 2015-02-02 19:58:34 -08:00
obscuren db4aaedcbd Moved ptrie => trie. Removed old trie 2015-01-08 11:47:04 +01:00
obscuren fed3e6a808 Refactored ethutil.Config.Db out 2015-01-07 13:17:48 +01:00
obscuren 3220a32ff0 Added some comparison tests for the new ptrie 2014-11-18 12:03:09 +01:00
obscuren 60cdb1148c Transaction execution fixes 2014-11-12 01:36:36 +01:00
obscuren a82b89e2d5 Added storage root to dump 2014-11-03 23:45:44 +01:00
obscuren af34749a6b ethtrie => trie 2014-10-31 14:45:03 +01:00