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Fix cornercase in capping memory allowance #3008

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Fix cornercase in capping memory allowance #3008

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63f51fa
Fix cornercase in capping memory allowance
rjl493456442 Oct 23, 2023
b2fd753
Fix size overflow in batch
rjl493456442 Oct 31, 2023
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2 changes: 1 addition & 1 deletion batch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1381,7 +1381,7 @@ func (b *Batch) countData() []byte {

func (b *Batch) grow(n int) {
newSize := len(b.data) + n
if uint64(newSize) >= maxBatchSize {
if uint64(newSize) > maxBatchSize {
panic(ErrBatchTooLarge)
}
if newSize > cap(b.data) {
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2 changes: 1 addition & 1 deletion batch_test.go
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Expand Up @@ -986,7 +986,7 @@ func TestBatchTooLarge(t *testing.T) {
result = r
}
}()
b.grow(maxBatchSize)
b.grow(maxBatchSize + 1)
}()
require.EqualValues(t, ErrBatchTooLarge, result)
}
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4 changes: 2 additions & 2 deletions options.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1662,8 +1662,8 @@ func (o *Options) Validate() error {
fmt.Fprintf(&buf, "L0StopWritesThreshold (%d) must be >= L0CompactionThreshold (%d)\n",
o.L0StopWritesThreshold, o.L0CompactionThreshold)
}
if uint64(o.MemTableSize) >= maxMemTableSize {
fmt.Fprintf(&buf, "MemTableSize (%s) must be < %s\n",
if uint64(o.MemTableSize) > maxMemTableSize {
fmt.Fprintf(&buf, "MemTableSize (%s) must be <= %s\n",
humanize.Bytes.Uint64(uint64(o.MemTableSize)), humanize.Bytes.Uint64(maxMemTableSize))
}
if o.MemTableStopWritesThreshold < 2 {
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2 changes: 1 addition & 1 deletion options_test.go
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Expand Up @@ -280,7 +280,7 @@ func TestOptionsValidate(t *testing.T) {
[Options]
mem_table_size=4294967296
`,
`MemTableSize \(4\.0GB\) must be < [2|4]\.0GB`,
`MemTableSize \(4\.0GB\) must be <= [2|4]\.0GB`,
},
{`
[Options]
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