return HashBorrower{pool: &s.HasherPool, borrowed: make([]hash.Hash, 0, 2)}
}

// HashBorrower keeps track of borrowed hashers and allows to return them all.
type HashBorrower struct {
	pool     *sync.Pool
	borrowed []hash.Hash
}

// Borrow a single hasher.
func (h *HashBorrower) Borrow() hash.Hash {
	hasher := h.pool.Get().(hash.Hash)
	h.borrowed = append(h.borrowed, hasher)

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
)

var printEndpointError = func() func(Endpoint, error, bool) {
	var mutex sync.Mutex
	printOnce := make(map[Endpoint]map[string]int)

	return func(endpoint Endpoint, err error, once bool) {
		reqInfo := (&logger.ReqInfo{}).AppendTags("endpoint", endpoint.String())
		ctx := logger.SetReqInfo(GlobalContext, reqInfo)
		mutex.Lock()

type Session struct {
	DryRun                   bool
	PrepareStmt              bool
	NewDB                    bool
	Initialized              bool
	SkipHooks                bool
	SkipDefaultTransaction   bool
	DisableNestedTransaction bool
	AllowGlobalUpdate        bool
	FullSaveAssociations     bool
	QueryFields              bool
	Context                  context.Context

	maxRecordSize = 1 << 20 // 1 MiB
)

var parquetSupport bool

func init() {
	parquetSupport = env.Get("MINIO_API_SELECT_PARQUET", config.EnableOff) == config.EnableOn
}

var bufPool = sync.Pool{
	New: func() interface{} {
		// make a buffer with a reasonable capacity.
		return bytes.NewBuffer(make([]byte, 0, maxRecordSize))
	},
}

var bufioWriterPool = sync.Pool{
	New: func() interface{} {

	cmdline string
	layout  [][]string
}

type disksLayout struct {
	legacy bool
	pools  []poolDisksLayout
}

type serverCtxt struct {
	JSON, Quiet               bool
	Anonymous                 bool
	StrictS3Compat            bool
	Addr, ConsoleAddr         string
	ConfigDir, CertsDir       string
	configDirSet, certsDirSet bool
	Interface                 string

	RootUser, RootPwd string

Krishnan Parthasarathi <******@****.***> 1711041695 -0700

	LargeBlock = 1 * humanize.MiByte  // Default r/w block size for normal objects.
)

// aligned sync.Pool's
var (
	ODirectPoolLarge = sync.Pool{
		New: func() interface{} {
			b := disk.AlignedBlock(LargeBlock)
			return &b
		},
	}
	ODirectPoolSmall = sync.Pool{
		New: func() interface{} {
			b := disk.AlignedBlock(SmallBlock)
			return &b
		},
	}
)

// LoadRebalanceMeta notifies all peers to load rebalance.bin from object layer.
// Note: Only peers participating in rebalance operation, namely the first node
// in each pool will load rebalance.bin.
func (sys *NotificationSys) LoadRebalanceMeta(ctx context.Context, startRebalance bool) {
	ng := WithNPeers(len(sys.peerClients))
	for idx, client := range sys.peerClients {
		if client == nil {
			continue
		}
		client := client

			adminRouter.Methods(http.MethodPost).Path(adminVersion+"/pools/cancel").HandlerFunc(adminMiddleware(adminAPI.CancelDecommission, traceAllFlag)).Queries("pool", "{pool:.*}")

			// Rebalance operations
			adminRouter.Methods(http.MethodPost).Path(adminVersion + "/rebalance/start").HandlerFunc(adminMiddleware(adminAPI.RebalanceStart, traceAllFlag))

	InclDeleted bool

	// Scan recursively.
	// If false only main directory will be scanned.
	// Should always be true if Separator is n SlashSeparator.
	Recursive bool

	// Separator to use.
	Separator string

	// Create indicates that the lister should not attempt to load an existing cache.
	Create bool

	// Include pure directories.
	IncludeDirectories bool