update limit to 10 gib and refine log

cmd/pump/pump.toml

@@ -33,8 +33,8 @@ pd-urls = "http://127.0.0.1:2379"
 
 # stop write when disk available space less then the configured size
 # 42 MB -> 42000000, 42 mib -> 44040192
-# default: 1 gib
-# stop-write-at-available-space = "1 gib"
+# default: 10 gib
+# stop-write-at-available-space = "10 gib"
 
 #
 # we suggest using the default config of the embedded LSM DB now, do not change it useless you know what you are doing

pump/storage/storage.go

@@ -44,7 +44,7 @@ const (
 	chanCapacity              = 1 << 20
 	// if pump takes a long time to write binlog, pump will display the binlog meta information (unit: Second)
 	slowWriteThreshold               = 1.0
-	defaultStopWriteAtAvailableSpace = 1 << 30
+	defaultStopWriteAtAvailableSpace = 10 * (1 << 30)
 )
 
 var (
@@ -316,7 +316,7 @@ func (a *Append) handleSortItem(items <-chan sortItem) (quit chan struct{}) {
 func (a *Append) updateSize() error {
 	size, err := getStorageSize(a.dir)
 	if err != nil {
-		return errors.Annotate(err, "update storage size failed")
+		return errors.Annotatef(err, "update storage size failed, dir: %s", a.dir)
 	}
 
 	storageSizeGauge.WithLabelValues("capacity").Set(float64(size.capacity))

pump/storage/util.go

@@ -18,6 +18,7 @@ import (
 	"sync/atomic"
 
 	"github.com/dustin/go-humanize"
+	"github.com/pingcap/errors"
 )
 
 var tsKeyPrefix = []byte("ts:")
@@ -59,7 +60,7 @@ func (b *HumanizeBytes) UnmarshalText(text []byte) error {
 
 	n, err := humanize.ParseBytes(string(text))
 	if err != nil {
-		return err
+		return errors.Annotatef(err, "test: %s", string(text))
 	}
 
 	*b = HumanizeBytes(n)