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stakedb: upgrade ticket pool badger DB from v1.6.2 to v3.2103.2 #1948

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@ukane-philemon ukane-philemon commented Dec 14, 2022

This upgrades the badger DB used by the ticket pool from v1.6.2 to v3.2103.2. Closes #1750.

Successful upgrade log
2022-12-14 09:58:19.740 [INF] DATD: Log folder:  /root/.dcrdata/logs/mainnet
2022-12-14 09:58:19.740 [INF] DATD: Config file: /root/.dcrdata/dcrdata.conf
2022-12-14 09:58:19.741 [INF] DATD: dcrdata version 6.2.0-pre+dev (Go version go1.19.3)
2022-12-14 09:58:19.749 [INF] RPCC: Established connection to RPC server localhost:9109
2022-12-14 09:58:19.752 [INF] DATD: Connected to dcrd (JSON-RPC API v8.0.0) on MainNet
2022-12-14 09:58:19.752 [INF] SKDB: Loading ticket pool DB. This may take a minute...
2022-12-14 09:58:19.752 [INF] SKDB: Your ticket pool DB is not compatible with current badger version. Please wait for backup...
2022-12-14 09:58:19.752 [INF] SKDB: Backing up ticket pool DB to /root/.dcrdata/data/mainnet/ticket_pool.bdgr-bak before upgrading. This may take a while...
2022-12-14 09:58:20.379 [INF] SKDB: Your ticket pool DB backup was successful.
2022-12-14 09:58:20.416 [INF] SKDB: Automatic upgrade to version 3 started...
2022-12-14 09:58:20.644 [INF] SKDB: badger: All 1 tables opened in 224ms
2022-12-14 09:58:20.648 [INF] SKDB: Loading all ticket pool diffs from DB...
2022-12-14 09:58:23.106 [INF] SKDB: Successfully loaded 720253 ticket pool diffs
2022-12-14 09:58:23.115 [INF] SKDB: badger: All 0 tables opened in 0s
2022-12-14 09:58:23.116 [INF] SKDB: badger: Discard stats nextEmptySlot: 0
2022-12-14 09:58:23.116 [INF] SKDB: badger: Set nextTxnTs to 0
2022-12-14 09:58:23.116 [INF] SKDB: badger: DropAll called. Blocking writes...
2022-12-14 09:58:23.116 [INF] SKDB: badger: Writes flushed. Stopping compactions now...
2022-12-14 09:58:23.119 [INF] SKDB: badger: Deleted 0 SSTables. Now deleting value logs...
2022-12-14 09:58:23.119 [INF] SKDB: badger: Value logs deleted. Creating value log file: 1
2022-12-14 09:58:23.119 [INF] SKDB: badger: Deleted 1 value log files. DropAll done.
2022-12-14 09:58:23.120 [INF] SKDB: badger: Resuming writes
2022-12-14 09:58:27.430 [INF] SKDB: Successfully rewrote DB to version 3
2022-12-14 09:58:27.612 [INF] SKDB: Automatic upgrade to version 3 was successful
2022-12-14 09:58:27.612 [INF] SKDB: You may delete the old ticket pool DB file (/root/.dcrdata/data/mainnet/ticket_pool.bdgr-bak).
2022-12-14 09:58:27.612 [INF] SKDB: Loading all ticket pool diffs from DB version 3...
2022-12-14 09:58:29.673 [INF] SKDB: Successfully loaded 720253 ticket pool diffs
2022-12-14 09:58:29.862 [INF] SKDB: Advancing ticket pool DB to tip via diffs...
2022-12-14 09:58:30.802 [INF] SKDB: Pre-populating live ticket cache and computing pool value...
2022-12-14 09:58:38.321 [INF] DATD: Loaded StakeDatabase at height 720253
2022-12-14 09:58:38.321 [INF] DATD: Address cache capacity: 4096 addresses: ~512 MiB tx data (3947580 items) + 512 MiB UTXOs

EDIT:

Successful upgrade log
2022-12-15 19:43:19.144 [INF] DATD: Log folder:  /root/.dcrdata/logs/mainnet
2022-12-15 19:43:19.144 [INF] DATD: Config file: /root/.dcrdata/dcrdata.conf
2022-12-15 19:43:19.144 [INF] DATD: dcrdata version 6.2.0-pre+dev (Go version go1.19.3)
2022-12-15 19:43:19.146 [INF] RPCC: Established connection to RPC server localhost:9109
2022-12-15 19:43:19.147 [INF] DATD: Connected to dcrd (JSON-RPC API v8.0.0) on MainNet
2022-12-15 19:43:19.147 [INF] SKDB: Loading ticket pool DB. This may take a minute...
2022-12-15 19:43:19.148 [INF] SKDB: Upgrading ticket pool DB to version 1
2022-12-15 19:43:19.341 [INF] SKDB: badger: All 1 tables opened in 190ms
2022-12-15 19:43:19.344 [INF] SKDB: Upgrading ticket pool DB to version 2
2022-12-15 19:43:19.550 [INF] SKDB: badger: All 1 tables opened in 203ms
2022-12-15 19:43:19.552 [INF] SKDB: Backing up ticket pool DB to /root/.dcrdata/data/mainnet/ticket_pool.bdgr-bak before upgrading. This may take a while...
2022-12-15 19:43:19.682 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.020712ms.
2022-12-15 19:43:19.762 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.901798ms.
2022-12-15 19:43:19.855 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 22.440447ms.
2022-12-15 19:43:19.917 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.583304ms.
2022-12-15 19:43:19.993 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.484396ms.
2022-12-15 19:43:20.072 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.157435ms.
2022-12-15 19:43:20.145 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 11.173582ms.
2022-12-15 19:43:20.230 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.49463ms.
2022-12-15 19:43:20.305 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.605834ms.
2022-12-15 19:43:20.379 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 9.790649ms.
2022-12-15 19:43:20.450 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 10.291776ms.
2022-12-15 19:43:20.528 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 11.241865ms.
2022-12-15 19:43:20.598 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 9.222519ms.
2022-12-15 19:43:20.598 [INF] SKDB: badger: DB.Backup Time elapsed: 01s, bytes sent: 55 MB, speed: 55 MB/sec
2022-12-15 19:43:20.666 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.684576ms.
2022-12-15 19:43:20.736 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.406371ms.
2022-12-15 19:43:20.873 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 71.279286ms.
2022-12-15 19:43:20.886 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.999811ms.
2022-12-15 19:43:20.955 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 9.245852ms.
2022-12-15 19:43:21.025 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.264333ms.
2022-12-15 19:43:21.110 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 10.452983ms.
2022-12-15 19:43:21.183 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.317278ms.
2022-12-15 19:43:21.252 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 9.204826ms.
2022-12-15 19:43:21.325 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.352212ms.
2022-12-15 19:43:21.407 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.871461ms.
2022-12-15 19:43:21.487 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.158807ms.
2022-12-15 19:43:21.558 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.72563ms.
2022-12-15 19:43:21.595 [INF] SKDB: badger: DB.Backup Time elapsed: 02s, bytes sent: 110 MB, speed: 55 MB/sec
2022-12-15 19:43:21.632 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.675448ms.
2022-12-15 19:43:21.709 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.503776ms.
2022-12-15 19:43:21.779 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.134142ms.
2022-12-15 19:43:21.854 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.953518ms.
2022-12-15 19:43:21.931 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 12.09688ms.
2022-12-15 19:43:22.078 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 79.89348ms.
2022-12-15 19:43:22.090 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.120829ms.
2022-12-15 19:43:22.152 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.025047ms.
2022-12-15 19:43:22.225 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.601728ms.
2022-12-15 19:43:22.304 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 11.795625ms.
2022-12-15 19:43:22.373 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.996106ms.
2022-12-15 19:43:22.440 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.533488ms.
2022-12-15 19:43:22.508 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.935097ms.
2022-12-15 19:43:22.578 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.445574ms.
2022-12-15 19:43:22.595 [INF] SKDB: badger: DB.Backup Time elapsed: 03s, bytes sent: 169 MB, speed: 56 MB/sec
2022-12-15 19:43:22.652 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.315566ms.
2022-12-15 19:43:22.728 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 9.25035ms.
2022-12-15 19:43:22.794 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.180166ms.
2022-12-15 19:43:22.923 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.247908ms.
2022-12-15 19:43:23.096 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.223136ms.
2022-12-15 19:43:23.268 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.663541ms.
2022-12-15 19:43:23.431 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.239961ms.
2022-12-15 19:43:23.659 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 70.77837ms.
2022-12-15 19:43:23.659 [INF] SKDB: badger: DB.Backup Time elapsed: 04s, bytes sent: 202 MB, speed: 51 MB/sec
2022-12-15 19:43:23.764 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.964961ms.
2022-12-15 19:43:23.937 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.535093ms.
2022-12-15 19:43:24.030 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.110399ms.
2022-12-15 19:43:24.047 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.484832ms.
2022-12-15 19:43:24.063 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.215557ms.
2022-12-15 19:43:24.079 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.074869ms.
2022-12-15 19:43:24.097 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.789145ms.
2022-12-15 19:43:24.118 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.562338ms.
2022-12-15 19:43:24.135 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 8.27209ms.
2022-12-15 19:43:24.151 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.413806ms.
2022-12-15 19:43:24.167 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.528918ms.
2022-12-15 19:43:24.183 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.335602ms.
2022-12-15 19:43:24.204 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 10.563576ms.
2022-12-15 19:43:24.220 [INF] SKDB: badger: DB.Backup Created batch of size: 4.2 MB in 7.028091ms.
2022-12-15 19:43:24.257 [INF] SKDB: badger: DB.Backup Created batch of size: 2.2 MB in 3.831008ms.
2022-12-15 19:43:24.257 [INF] SKDB: badger: DB.Backup Sent 720254 keys
2022-12-15 19:43:24.316 [INF] SKDB: Your ticket pool DB backup was successful.
2022-12-15 19:43:24.410 [INF] SKDB: badger: All 0 tables opened in 0s
2022-12-15 19:43:24.411 [INF] SKDB: badger: Discard stats nextEmptySlot: 0
2022-12-15 19:43:24.412 [INF] SKDB: badger: Set nextTxnTs to 0
2022-12-15 19:43:26.505 [INF] SKDB: Upgrade completed. You may delete the old ticket pool DB backup file at (/root/.dcrdata/data/mainnet/ticket_pool.bdgr-bak).
2022-12-15 19:43:26.505 [INF] SKDB: badger: Lifetime L0 stalled for: 0s
2022-12-15 19:43:26.697 [INF] SKDB: badger:
Level 0 [ ]: NumTables: 04. Size: 247 MiB of 0 B. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 64 MiB
Level 1 [ ]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level 2 [ ]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level 3 [ ]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level 4 [ ]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level 5 [ ]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level 6 [B]: NumTables: 00. Size: 0 B of 10 MiB. Score: 0.00->0.00 StaleData: 0 B Target FileSize: 2.0 MiB
Level Done
2022-12-15 19:43:26.787 [INF] SKDB: Ticket pool DB has been successfully upgraded to version 2
2022-12-15 19:43:26.791 [INF] SKDB: badger: All 4 tables opened in 1ms
2022-12-15 19:43:26.792 [INF] SKDB: badger: Discard stats nextEmptySlot: 0
2022-12-15 19:43:26.792 [INF] SKDB: badger: Set nextTxnTs to 1434821
2022-12-15 19:43:26.792 [INF] SKDB: Loading all ticket pool diffs from DB version 2...
2022-12-15 19:43:28.838 [INF] SKDB: Successfully loaded 720253 ticket pool diffs
2022-12-15 19:43:29.036 [INF] SKDB: Advancing ticket pool DB to tip via diffs...
2022-12-15 19:43:29.710 [INF] SKDB: Pre-populating live ticket cache and computing pool value...
2022-12-15 19:43:35.005 [INF] DATD: Loaded StakeDatabase at height 720253

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@ukane-philemon ukane-philemon marked this pull request as ready for review December 15, 2022 18:53
- This make some major improvement to the ticket pool upgrade path
  and moves upgrade related code to a stakeDB/upgrade.go file.
@ukane-philemon ukane-philemon force-pushed the upgradebadger branch 2 times, most recently from 08ff081 to 6d0c54f Compare December 15, 2022 19:06
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@ukane-philemon
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While badger is running fine, I've been getting these logs. Do you think we need to increase the block cache beyond the default?

2022-12-22 05:03:28.474 [WRN] SKDB: badger: Block cache might be too small. Metrics: hit: 2 miss: 111653 keys-added: 68018 keys-updated: 0 keys-evicted: 43257 cost-added: 268497841 cost-evicted: 172258160 sets-dropped: 0 sets-rejected: 177 gets-dropped: 9216 gets-kept: 102336 gets-total: 111655 hit-ratio: 0.00
2022-12-22 05:03:28.475 [WRN] SKDB: badger: Cache life expectancy (in seconds): 
 -- Histogram: 
Min value: 0 
Max value: 2 
Count: 16 
50p: 2.00 
75p: 2.00 
90p: 4.00 
[0, 2) 12 75.00%
[2, 4) 4 25.00%

@chappjc
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chappjc commented Dec 22, 2022

While badger is running fine, I've been getting these logs. Do you think we need to increase the block cache beyond the default?

2022-12-22 05:03:28.474 [WRN] SKDB: badger: Block cache might be too small. Metrics: hit: 2 miss: 111653 keys-added: 68018 keys-updated: 0 keys-evicted: 43257 cost-added: 268497841 cost-evicted: 172258160 sets-dropped: 0 sets-rejected: 177 gets-dropped: 9216 gets-kept: 102336 gets-total: 111655 hit-ratio: 0.00
2022-12-22 05:03:28.475 [WRN] SKDB: badger: Cache life expectancy (in seconds): 
 -- Histogram: 
Min value: 0 
Max value: 2 
Count: 16 
50p: 2.00 
75p: 2.00 
90p: 4.00 
[0, 2) 12 75.00%
[2, 4) 4 25.00%

To determine that, we'll have to deploy to see a real use case, otherwise it's just append-only with no gets.

Try testing the "full" ticket pool API endpoint, traversing to pool snapshots at distant heights. Compare performance with badger v1 and with different cache settings for v3.

@ukane-philemon
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2022/12/22 06:55:30 "GET http://134.209.25.156:7777/api/stake/pool/full HTTP/1.1" from 105.113.40.37:29560 - 200 2731123B in 824.332317ms
2022/12/22 06:55:47 "GET http://134.209.25.156:7777/api/stake/pool/full HTTP/1.1" from 105.113.40.37:30039 - 200 2731123B in 708.798579ms
2022/12/22 06:56:01 "GET http://134.209.25.156:7777/api/stake/pool/full HTTP/1.1" from 105.113.40.37:30430 - 200 2731123B in 797.757222ms

Don't know how long for badger v1 cuz I've upgraded already. @chappjc, can you check how long for v1?

@chappjc
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chappjc commented Dec 22, 2022 via email

@ukane-philemon

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update to Badger DB 3.0
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