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author | Felix Lange <fjl@users.noreply.github.com> | 2017-09-10 00:03:07 +0800 |
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committer | Péter Szilágyi <peterke@gmail.com> | 2017-09-10 00:03:07 +0800 |
commit | 10181b57a9fb648f5fd424ca611820a3cf42c42b (patch) | |
tree | 8508c139bb867a6d2126fcbe6500cb08025ddbc1 /eth/downloader/modes.go | |
parent | ac193e36ce4bce752717124433a8ce84c347dbf7 (diff) | |
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core, eth/downloader: commit block data using batches (#15115)
* ethdb: add Putter interface and Has method
* ethdb: improve docs and add IdealBatchSize
* ethdb: remove memory batch lock
Batches are not safe for concurrent use.
* core: use ethdb.Putter for Write* functions
This covers the easy cases.
* core/state: simplify StateSync
* trie: optimize local node check
* ethdb: add ValueSize to Batch
* core: optimize HasHeader check
This avoids one random database read get the block number. For many uses
of HasHeader, the expectation is that it's actually there. Using Has
avoids a load + decode of the value.
* core: write fast sync block data in batches
Collect writes into batches up to the ideal size instead of issuing many
small, concurrent writes.
* eth/downloader: commit larger state batches
Collect nodes into a batch up to the ideal size instead of committing
whenever a node is received.
* core: optimize HasBlock check
This avoids a random database read to get the number.
* core: use numberCache in HasHeader
numberCache has higher capacity, increasing the odds of finding the
header without a database lookup.
* core: write imported block data using a batch
Restore batch writes of state and add blocks, tx entries, receipts to
the same batch. The change also simplifies the miner.
This commit also removes posting of logs when a forked block is imported.
* core: fix DB write error handling
* ethdb: use RLock for Has
* core: fix HasBlock comment
Diffstat (limited to 'eth/downloader/modes.go')
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