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170 Commits

Author SHA1 Message Date
Riccardo Spagni
30dce45643 Merge branch 'performance' of https://github.com/LMDB/bitmonero 2016-04-29 21:41:43 +02:00
moneromooo-monero
513a658c87
add a --max-concurrency flag 
It sets the max number of threads to use for a parallel job.
This is different that the number of total threads, since monero
binaries typically start a lot of them.
 2016-04-28 20:33:59 +01:00
Howard Chu
2b0fa05f0d Another take on migration 
Delete old indices and recreate them, rather than updating them
Maybe not quite as slow as before.
 2016-04-24 17:46:50 +01:00
Howard Chu
c14f9efd52 Migration 
Migrate from DB version 0 to version 1 on startup
 2016-04-08 03:11:05 +01:00
Howard Chu
d7ea7d9a23 Merge branch 'performance' into master 2016-04-05 21:13:16 +01:00
Howard Chu
372acee723 Cleanup 
drop obsolete remove_output()
fix get_output_key(global), fix crash in blockchain_dump
 2016-04-05 21:05:24 +01:00
Howard Chu
591e421875 Cleanup and clarify 
Try to rationalize the variable names, document usage.
 2016-04-05 20:57:45 +01:00
Howard Chu
b2f1c58805 Use cursors in some remove functions 
Helps when they're called repeatedly in one txn
 2016-04-05 20:57:31 +01:00
Howard Chu
118dd69dd5 Use DUPFIXED for block_info and output_txs 
Saves another ~150MB or so on the full blockchain
 2016-04-05 20:55:16 +01:00
Howard Chu
6225716f3c More outputs consolidation 
Also bumped DB VERSION to 1
Another significant speedup and space savings:
Get rid of global_output_indices, remove indirection from output to keys

This is the change warptangent described on irc but never got to finish.
 2016-04-05 20:55:12 +01:00
Howard Chu
7c5abdc3a3 Use DUPFIXED for output_keys 
Saves another 90MB on 200000 block import.
Had to bring back compare_uint64 for this, but it's safe since
this table is always 64-bit aligned.
 2016-04-05 20:54:42 +01:00
Howard Chu
8e9d8e3364 Use DUPFIXED for tx_indices 
Small space savings, no measurable speedup
 2016-04-05 20:54:39 +01:00
Howard Chu
a12f9365f8 Use DUPFIXED for block_heights 
Only a small savings...
 2016-04-05 20:54:07 +01:00
Howard Chu
38c2277d6f Use DUPFIXED for spent_keys 2016-04-05 20:54:07 +01:00
warptangent
bf769c32ba Add back changes from revert. 
m_tx_outputs doesn't need to be changed, as it's no longer dup list.
 2016-04-05 20:54:07 +01:00
warptangent
46b991b362 Use MDB_APPEND mode with two tx subdbs 
This is possible on those using a tx index as a key.
 2016-04-05 20:54:07 +01:00
warptangent
9aadedb1d0 Schema update: tx_indices - consolidate the tx subdbs from 5 to 3 2016-04-05 20:54:06 +01:00
warptangent
a2f518aa01 Schema update: tx_indices - yet less indirection 2016-04-05 20:54:06 +01:00
warptangent
8d12a8df2c Schema update: tx_indices - improve further with less indirection 2016-04-05 20:54:06 +01:00
warptangent
7c013f66e9 Add batch warning for further review 2016-04-05 20:54:06 +01:00
warptangent
ae0854a431 Schema update: tx_indices 2016-04-05 20:54:06 +01:00
Howard Chu
8d252a4214 Consolidated block info 2016-04-05 20:53:59 +01:00
warptangent
132c666f67 Update schema for "tx_outputs" to use array containing amount output indices 
This speeds up wallet refresh by directly retrieving a tx's amount output indices.

It removes the indirection and walking the amount output duplicate list
for every amount in each requested tx.

"tx_outputs" is used by:
Amount output indices are needed for wallet refresh.
Global output indices are needed for removing a tx.

Both amount output indices and global output indices are now stored in
an array of 64-bit unsigned ints:

tx_outputs[<tx_hash>] -> [ <a1_oi, a1_gi, a2_oi, a2_gi, ...> ]

Previously it was:
tx_outputs[<tx_hash>] -> duplicate list of <a1_gi, a2_gi, a3_gi, ...>

The amount output list had to be walked for every amount in order to
find each amount's output index, by comparing the amount's global output
index with each one in the duplicate list until a match was found.

See also d045dfa7ce
 2016-04-05 20:30:50 +01:00
Howard Chu
efbdde2c66 Detect map resize failures 2016-03-30 20:37:28 +01:00
moneromooo-monero
600a3cf0c0
New RPC and daemon command to get output histogram 
This is a list of existing output amounts along with the number
of outputs of that amount in the blockchain.

The daemon command takes:
- no parameters: all outputs with at least 3 instances
- one parameter: all outputs with at least that many instances
- two parameters: all outputs within that many instances

The default starts at 3 to avoid massive spamming of all dust
outputs in the blockchain, and is the current minimum mixin
requirement.

An optional vector of amounts may be passed, to request
histogram only for those outputs.
 2016-03-26 21:10:43 +00:00
Riccardo Spagni
0d30b65785 Merge pull request #749 
bfd4a28 Update BlockchainDB documentation (Thomas Winget)
797357e Change Doxyfile, Blockchain not blockchain_storage (Thomas Winget)
c835215 remove defunct code from cryptonote::core (Thomas Winget)
50dba6d cryptonote::core doxygen documentation (Thomas Winget)
8ac329d doxygen documentation for difficulty functions (Thomas Winget)
540a76c Move checkpoint functions into checkpoints class (Thomas Winget)
1b0c98e doxygen documentation for checkpoints.{h,cpp} (Thomas Winget)
89c24ac Remove unnecessary or defunct code (Thomas Winget)
ab0ed14 doxygen include private and static members (Thomas Winget)
3a48449 Updated documentation for blockchain.* (Thomas Winget)
 2016-03-25 09:12:25 +02:00
Riccardo Spagni
01e0a69c17 Revert "Merge pull request #749" 
This reverts commit 7fa63a82a1, reversing
changes made to cb6be986c3.
 2016-03-25 08:42:42 +02:00
Thomas Winget
bfd4a28c41
Update BlockchainDB documentation 
BlockchainDB is now Doxygen-compliant and its documentation is
up-to-date with recent changes.
 2016-03-24 03:40:04 -04:00
moneromooo-monero
f7301c3563
Revert "Print stack trace upon exceptions" 
Ain't nobody got time for link/cmake skullduggery.

This reverts commit fff238ec94.
 2016-03-21 10:12:23 +00:00
Riccardo Spagni
37fbb7a8b7
Merge pull request #738 
79117d4 db_lmdb: include the error codes from lmdb api in error logs (moneromooo-monero)
 2016-03-20 21:29:11 +02:00
moneromooo-monero
79117d4275
db_lmdb: include the error codes from lmdb api in error logs 2016-03-20 18:06:04 +00:00
moneromooo-monero
fff238ec94
Print stack trace upon exceptions 
Useful for debugging users' logs
 2016-03-19 21:48:36 +00:00
Howard Chu
db1b2db4d5 Reduce log noise 2016-03-19 12:59:05 +00:00
Howard Chu
a74348e115 Add destructor for readtxns 
Only if we created the readtxn. Was missing cleanups from exceptions before.
 2016-03-16 11:34:13 +00:00
Howard Chu
6b0a903177 Small cleanups 
Only one return and TXN_POSTFIX_RDONLY() per function
Only log rtxn_start if the rtxn wasn't already active
 2016-03-15 13:35:31 +00:00
Howard Chu
01c1512f22 More for 92dd4ec6d6 
Make sure we stop the right txn too
 2016-03-15 13:35:23 +00:00
Riccardo Spagni
240a50f3fb
Merge pull request #723 
2abdb2c avoid some val copies (Howard Chu)
 2016-03-14 22:20:42 +02:00
Howard Chu
92dd4ec6d6 Hack for read/write txn mixup 
save the thread ID of the writer thread so we don't try to use
the writetxn from reader threads
 2016-03-14 20:19:46 +00:00
Howard Chu
2abdb2c9fd avoid some val copies 2016-03-14 09:40:49 +00:00
Riccardo Spagni
dfd0e9c97d
Merge pull request #712 
66c2fc7 Need to link boost::chrono in more places now (Howard Chu)
b937a2c Use boost::thread instead of std::thread (Howard Chu)
 2016-03-11 20:15:10 +02:00
Howard Chu
66c2fc7b70 Need to link boost::chrono in more places now 2016-03-11 16:17:08 +00:00
Howard Chu
b937a2c915 Use boost::thread instead of std::thread 
and all other associated IPC
 2016-03-11 15:09:50 +00:00
Howard Chu
8941ce0398 More for bdec7cb 
More uses of db error helper
 2016-03-09 18:24:16 +00:00
Riccardo Spagni
32dc08d19a
Merge pull request #700 
bdec7cb BlockchainLMDB: Use DB error helper consistently (warptangent)
c5932eb BlockchainLMDB: Add DB error to exception (warptangent)
a49c355 Blockchain: Omit verbose time stats messages by default (warptangent)
 2016-03-05 23:10:38 +02:00
Riccardo Spagni
c3af15702f
Merge pull request #698 
ee7a8b8 Get rid of lmdb_cur (Howard Chu)
 2016-03-05 23:06:26 +02:00
warptangent
bdec7cbfb3
BlockchainLMDB: Use DB error helper consistently 2016-03-03 21:27:13 -08:00
warptangent
c5932eb5ea BlockchainLMDB: Add DB error to exception 2016-03-03 20:15:37 -08:00
Howard Chu
ee7a8b87f9 Get rid of lmdb_cur 
We don't need it now with per-txn cursors.
 2016-03-03 19:06:27 +00:00
Howard Chu
f5affbef26 More for df239428c0 
Let ARMv7 work again
 2016-03-03 00:13:13 +00:00
warptangent
2c823c1589
Make partial revert consistent 
If user-defined comparator is used, subdb shouldn't be opened with
MDB_INTEGERKEY.

TODO: Again, this will be added back with future schema updates.
 2016-03-01 02:47:16 -08:00