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use O_DIRECT for all ReadFileStream (#13324)

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This PR also removes #13312 to ensure
that we can use a better mechanism to
handle page-cache, using O_DIRECT
even for Range GETs.
This commit is contained in:
Harshavardhana
2021-09-29 16:40:28 -07:00
committed by GitHub
parent 1d9e91e00f
commit d00ff3c453
10 changed files with 198 additions and 220 deletions
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9
cmd/handler-api.go
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@@ -22,9 +22,11 @@ import (
"sync"
"time"
"github.com/minio/minio/internal/config/api"
"github.com/minio/minio/internal/logger"
mem "github.com/shirou/gopsutil/v3/mem"
"github.com/minio/minio/internal/config/api"
xioutil "github.com/minio/minio/internal/ioutil"
"github.com/minio/minio/internal/logger"
)
type apiConfig struct {
@@ -71,7 +73,8 @@ func (t *apiConfig) init(cfg api.Config, setDriveCounts []int) {
// total_ram / ram_per_request
// ram_per_request is (2MiB+128KiB) * driveCount \
// + 2 * 10MiB (default erasure block size v1) + 2 * 1MiB (default erasure block size v2)
apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*(blockSizeLarge+blockSizeSmall)+int(blockSizeV1*2+blockSizeV2*2)))
blockSize := xioutil.BlockSizeLarge + xioutil.BlockSizeSmall
apiRequestsMaxPerNode = int(maxMem / uint64(maxSetDrives*blockSize+int(blockSizeV1*2+blockSizeV2*2)))
if globalIsErasure {
logger.Info("Automatically configured API requests per node based on available memory on the system: %d", apiRequestsMaxPerNode)