[bug fix] fix recycleNum when less than 1 (#327)

fix gc

Co-authored-by: lijiachen <lijiachen19@huawei.com>

Author: Lijiachen1018

ucm/store/nfsstore/cc/domain/space/space_manager.cc

@@ -52,14 +52,15 @@ Status SpaceManager::Setup(const std::vector<std::string>& storageBackends, cons
     auto status = this->layout_->Setup(storageBackends);
     if (status.Failure()) { return status; }
     status = this->property_.Setup(this->layout_->ClusterPropertyFilePath());
+    if (status.Failure()) { return status; }
     if (recycleEnable && storageCapacity > 0) {
         auto totalBlocks = storageCapacity / blockSize;
         status = this->recycle_.Setup(this->GetSpaceLayout(), totalBlocks, [this] {
             this->property_.DecreaseCapacity(this->blockSize_);
         });
         if (status.Failure()) { return status; }
     }
-    if (status.Failure()) { return status; }
+    
     this->blockSize_ = blockSize;
     this->capacity_ = storageCapacity;
     this->recycleEnable_ = recycleEnable;

ucm/store/nfsstore/cc/domain/space/space_recycle.cc

@@ -88,6 +88,9 @@ Status SpaceRecycle::Setup(const SpaceLayout* layout, const size_t totalNumber,
                            RecycleOneBlockDone done) {
     this->layout_ = layout;
     this->recycleNum_ = totalNumber * recyclePercent;
+    if (this->recycleNum_ == 0) {
+        this->recycleNum_ = 1;
+    }
     this->recycleOneBlockDone_ = done;
     if (this->recycleNum_ > maxRecycleNum) {
         this->recycleNum_ = maxRecycleNum;

ucm/store/nfsstore/cc/domain/space/space_shard_layout.cc

@@ -196,7 +196,7 @@ void SpaceShardLayout::ShardBlockId(const std::string& blockId, uint64_t& front,
 std::string SpaceShardLayout::StorageBackend() const { return this->storageBackends_.front(); }
 std::string SpaceShardLayout::ClusterPropertyFilePath() const
 {
-    return fmt::format("{}{}/{}.bin", this->StorageBackend(), this->ClusterFileRoot(), "uc_property.bin");
+    return fmt::format("{}{}/{}.bin", this->StorageBackend(), this->ClusterFileRoot(), "uc_property");
 }
 
 std::shared_ptr<SpaceLayout::DataIterator> SpaceShardLayout::CreateFilePathIterator() const

ucm/store/nfsstore/nfsstore_connector.py

@@ -51,6 +51,12 @@ def __init__(self, config: Dict):
         if transfer_enable:
             param.transferDeviceId = config["device"]
             param.transferIoSize = config["io_size"]
+
+        param.storageCapacity = config.get("storageCapacity", 0)
+        param.recycleEnable = True if config.get("recycleEnable", 0) == 1 else False
+        if param.recycleEnable:
+            param.recycleThresholdRatio = config.get("recycleThresholdRatio", 0.7)
+
         ret = self.store.Setup(param)
         if ret != 0:
             msg = f"Failed to initialize ucmnfsstore, errcode: {ret}."