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Merge pull request #543 from harshavardhana/pr_out_fix_out_of_memory_issue

This commit is contained in:
Harshavardhana 2015-04-29 18:50:19 -07:00
parent 50d871c2db 03bca9a001
commit 710e732cf0
2 changed files with 17 additions and 2 deletions
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1
pkg/storage/drivers/errors.go
View File

@ -94,6 +94,7 @@ type EntityTooLarge struct {
GenericObjectError
Size string
TotalSize string
MaxSize string
}
// ObjectNameInvalid - object name provided is invalid

18
pkg/storage/drivers/memory/memory.go
View File

@ -258,10 +258,12 @@ func (memory *memoryDriver) CreateObject(bucket, key, contentType, expectedMD5Su
log.Println(err)
return err
}
if uint64(totalLength) > memory.maxSize {
if uint64(totalLength)+memory.totalSize > memory.maxSize {
memory.objects.RemoveOldest()
return iodine.New(drivers.EntityTooLarge{
Size: strconv.FormatInt(int64(totalLength), 10),
TotalSize: strconv.FormatUint(memory.totalSize, 10),
MaxSize: strconv.FormatUint(memory.maxSize, 10),
}, nil)
}
}
@ -271,6 +273,7 @@ func (memory *memoryDriver) CreateObject(bucket, key, contentType, expectedMD5Su
// Verify if the written object is equal to what is expected, only if it is requested as such
if strings.TrimSpace(expectedMD5Sum) != "" {
if err := isMD5SumEqual(strings.TrimSpace(expectedMD5Sum), md5Sum); err != nil {
memory.objects.RemoveOldest()
return iodine.New(drivers.BadDigest{Md5: expectedMD5Sum, Bucket: bucket, Key: key}, nil)
}
}
@ -286,13 +289,24 @@ func (memory *memoryDriver) CreateObject(bucket, key, contentType, expectedMD5Su
newObject.lastAccessed = time.Now()
memory.lock.Lock()
if _, ok := memory.objectMetadata[objectKey]; ok == true {
memory.objects.RemoveOldest()
memory.lock.Unlock()
return iodine.New(drivers.ObjectExists{Bucket: bucket, Object: key}, nil)
}
// could lead to out of Memory, verify and proceed
if uint64(bytesBuffer.Len())+memory.totalSize > memory.maxSize {
memory.objects.RemoveOldest()
memory.lock.Unlock()
return iodine.New(drivers.EntityTooLarge{
Size: strconv.FormatInt(int64(bytesBuffer.Len()), 10),
TotalSize: strconv.FormatUint(memory.totalSize, 10),
MaxSize: strconv.FormatUint(memory.maxSize, 10),
}, nil)
}
memory.objectMetadata[objectKey] = newObject
memory.objects.Add(objectKey, bytesBuffer.Bytes())
memory.totalSize = memory.totalSize + uint64(newObject.metadata.Size)
for memory.totalSize > memory.maxSize {
if memory.totalSize > memory.maxSize {
memory.objects.RemoveOldest()
}
memory.lock.Unlock()