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Merge pull request #2429 from ipfs/feat/low-mem-experiment

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introduce a low memory flag
This commit is contained in:
Jeromy Johnson
2016-03-02 15:31:34 -08:00
parent 16c08a3f0d 7d0c46affc
commit 9a923b4a1a
2 changed files with 24 additions and 0 deletions
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11
exchange/bitswap/bitswap.go
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@ -17,6 +17,7 @@ import (
bsnet "github.com/ipfs/go-ipfs/exchange/bitswap/network" bsnet "github.com/ipfs/go-ipfs/exchange/bitswap/network"
notifications "github.com/ipfs/go-ipfs/exchange/bitswap/notifications" notifications "github.com/ipfs/go-ipfs/exchange/bitswap/notifications"
wantlist "github.com/ipfs/go-ipfs/exchange/bitswap/wantlist" wantlist "github.com/ipfs/go-ipfs/exchange/bitswap/wantlist"
flags "github.com/ipfs/go-ipfs/flags"
"github.com/ipfs/go-ipfs/thirdparty/delay" "github.com/ipfs/go-ipfs/thirdparty/delay"
process "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess" process "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess"
procctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context" procctx "gx/ipfs/QmQopLATEYMNg7dVqZRNDfeE2S1yKy8zrRh5xnYiuqeZBn/goprocess/context"
@ -39,12 +40,22 @@ const (
sizeBatchRequestChan = 32 sizeBatchRequestChan = 32
// kMaxPriority is the max priority as defined by the bitswap protocol // kMaxPriority is the max priority as defined by the bitswap protocol
kMaxPriority = math.MaxInt32 kMaxPriority = math.MaxInt32
)
var (
HasBlockBufferSize = 256 HasBlockBufferSize = 256
provideKeysBufferSize = 2048 provideKeysBufferSize = 2048
provideWorkerMax = 512 provideWorkerMax = 512
) )
func init() {
if flags.LowMemMode {
HasBlockBufferSize = 64
provideKeysBufferSize = 512
provideWorkerMax = 16
}
}
var rebroadcastDelay = delay.Fixed(time.Second * 10) var rebroadcastDelay = delay.Fixed(time.Second * 10)
// New initializes a BitSwap instance that communicates over the provided // New initializes a BitSwap instance that communicates over the provided

13
flags/flags.go Normal file
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@ -0,0 +1,13 @@
package flags
import (
"os"
)
var LowMemMode bool
func init() {
if os.Getenv("IPFS_LOW_MEM") != "" {
LowMemMode = true
}
}