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app/vmselect/promql: use universal approach for determining maxByteSliceLen on 32-bit and 64-bit archs

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Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/235
This commit is contained in:
Aliaksandr Valialkin 2019-11-13 20:21:21 +02:00
parent d297b65089
commit c33640664a
4 changed files with 5 additions and 9 deletions
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5
app/vmselect/promql/arch.go Normal file
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@ -0,0 +1,5 @@
package promql
import "unsafe"
const maxByteSliceLen = 1<<(31+9*(unsafe.Sizeof(int(0))/8)) - 1

3
app/vmselect/promql/arch_386.go
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@ -1,3 +0,0 @@
package promql
const maxByteSliceLen = 1<<31 - 1

3
app/vmselect/promql/arch_amd64.go
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@ -1,3 +0,0 @@
package promql
const maxByteSliceLen = 1 << 40

3
app/vmselect/promql/arch_arm.go
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@ -1,3 +0,0 @@
package promql
const maxByteSliceLen = 1<<31 - 1