[英]boltdb update freezes on commit
我想從 API 中提取數據並將其保存到 boltDB 數據庫中。 問題是該進程在 commit() 調用上被凍結並且沒有發送任何恐慌或錯誤......
有人看到下面的代碼嗎? 我一次最多放 1500 根蠟燭,也許太多了? 如果是這樣,那么這種金額的最佳做法是什么?
非常感謝 !
type Candle struct {
Close float32 `json:"close"`
High float32 `json:"high"`
Low float32 `json:"low"`
Open float32 `json:"open"`
ClockTime float32 `json:"time"`
StartTime time.Time `json:"startTime"`
Volume float32 `json:"volume"`
Resolution string
}
func (s historyDataStore) saveCandles(mkt string, candles []Candle) error {
tx, err := s.db.Begin(true)
b := tx.Bucket([]byte(mainBucket)).Bucket([]byte(mkt))
i := 0
for _, candle := range candles {
i++
js, err := json.Marshal(candle)
if err != nil {
return err
}
key, err := b.NextSequence()
err = b.Put(itob(key), js)
if err != nil {
return err
}
}
err = tx.Commit()
if err != nil {
log.Fatal(err)
}
return err
}
這是 SIGQUIT 信息:這似乎是 rwmutex.go 中的 Lock() 函數正在等待其可用性...
PC=0x7fff6b69b882 m=0 sigcode=0
goroutine 0 [idle]:
runtime.pthread_cond_wait(0x1572820, 0x15727e0, 0x0)
/usr/local/go/src/runtime/sys_darwin.go:384 +0x39
runtime.semasleep(0xffffffffffffffff, 0x7ffeefbff4e0)
/usr/local/go/src/runtime/os_darwin.go:63 +0x8d
runtime.notesleep(0x15725d0)
/usr/local/go/src/runtime/lock_sema.go:181 +0xdb
runtime.mPark()
/usr/local/go/src/runtime/proc.go:1340 +0x39
runtime.stopm()
/usr/local/go/src/runtime/proc.go:2301 +0x92
runtime.findrunnable(0xc00003b000, 0x0)
/usr/local/go/src/runtime/proc.go:2960 +0x72e
runtime.schedule()
/usr/local/go/src/runtime/proc.go:3169 +0x2d7
runtime.park_m(0xc000082900)
/usr/local/go/src/runtime/proc.go:3318 +0x9d
runtime.mcall(0x106fcf6)
/usr/local/go/src/runtime/asm_amd64.s:327 +0x5b
goroutine 1 [semacquire, 3 minutes]:
sync.runtime_SemacquireMutex(0xc0001201a0, 0xc0003ece00, 0x0)
/usr/local/go/src/runtime/sema.go:71 +0x47
sync.(*RWMutex).Lock(0xc000120198)
/usr/local/go/src/sync/rwmutex.go:116 +0x85
github.com/boltdb/bolt.(*DB).mmap(0xc000120000, 0x9000, 0x0, 0x0)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/db.go:246 +0x69
github.com/boltdb/bolt.(*DB).allocate(0xc000120000, 0x1, 0xc0003ecfe0, 0x2, 0x2)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/db.go:849 +0x12a
github.com/boltdb/bolt.(*Tx).allocate(0xc000122000, 0x1, 0x8, 0x8, 0xc0002840a8)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/tx.go:465 +0xef
github.com/boltdb/bolt.(*node).spill(0xc0002bb110, 0xc0000ba008, 0xc0003ed240)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/node.go:368 +0x1bd
github.com/boltdb/bolt.(*Bucket).spill(0xc0002d2080, 0xc00034e100, 0xc0003ed4f0)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/bucket.go:571 +0x5e5
github.com/boltdb/bolt.(*Bucket).spill(0xc0002d2000, 0xc00034e000, 0xc0003ed720)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/bucket.go:538 +0x496
github.com/boltdb/bolt.(*Bucket).spill(0xc000122018, 0xc0000ba008, 0xc0003ed8a8)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/bucket.go:538 +0x496
github.com/boltdb/bolt.(*Tx).Commit(0xc000122000, 0x5, 0xc0003edad0)
/Users/user/go/pkg/mod/github.com/boltdb/bolt@v1.3.1/tx.go:165 +0x285
github.com/elRomano/gotrader/store/boltdb.historyDataStore.saveCandles(0xc000120000, 0x13690ca, 0xb, 0x1, 0x1367a43, 0x7, 0xc00075a000, 0x5dd, 0x638, 0x60d34ff4, ...)
/Users/user/Documents/_DEV/Go/test/store/boltdb/boltStore.go:123 +0x539
github.com/elRomano/gotrader/store/boltdb.historyDataStore.updateMarketHistory(0xc000120000, 0x13690ca, 0xb, 0x5, 0x1367a43, 0x7, 0x12fc9c0, 0x13c7f00)
/Users/user/Documents/_DEV/Go/test/store/boltdb/boltStore.go:71 +0x3ee
github.com/elRomano/gotrader/store/boltdb.(*historyDataStore).UpdateDb(0xc0000be4c0, 0xc0000be4a0, 0x2, 0x2, 0x1, 0x0)
/Users/user/Documents/_DEV/Go/test/store/boltdb/boltStore.go:43 +0xa5
main.main()
/Users/user/Documents/_DEV/Go/test/main.go:59 +0xa0d
rax 0x104
rbx 0x2
rcx 0x7ffeefbff2e8
rdx 0x6c00
rdi 0x1572820
rsi 0x6c0100006d00
rbp 0x7ffeefbff380
rsp 0x7ffeefbff2e8
r8 0x0
r9 0xa0
r10 0x0
r11 0x202
r12 0x1572820
r13 0x16
r14 0x6c0100006d00
r15 0xef99dc0
rip 0x7fff6b69b882
rflags 0x203
cs 0x7
fs 0x0
gs 0x0
exit status 2
感謝 SIGQUIT 跟蹤,我發現有一個“開始”事務打開,它鎖定了我想要執行的其他事務。 我在最后添加了一個回滾然后它起作用了。
問題解決了 ! 謝謝@rustyx @mh-cbon @Adrian。
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