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Use /tmp dir to store temporary index #4766

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Feb 17, 2020
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4 changes: 3 additions & 1 deletion posting/index.go
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ import (
"io/ioutil"
"math"
"os"
"path/filepath"
"sync/atomic"
"time"

Expand Down Expand Up @@ -541,7 +542,8 @@ func (r *rebuilder) Run(ctx context.Context) error {
// All the temp indexes go into the following directory. We delete the whole
// directory after the indexing step is complete. This deletes any other temp
// indexes that may have been left around in case defer wasn't executed.
tmpParentDir := "dgraph_index"
// TODO(Aman): If users are not happy, we could add a flag to choose this dir.
tmpParentDir := filepath.Join(os.TempDir(), "dgraph_index")

// We write the index in a temporary badger first and then,
// merge entries before writing them to p directory.
Expand Down