SaplingBackingStoreStats

1. Duration get{xxx}{"store.sapling.get_{xxx}_us"} :

Duration of the whole get xxx (blob, blobmetadata, tree, treemetadata) SaplingBackingStore::get{xxx} in Microsecond. This includes looking in local first then if not found prepare the request, enqueue the request and then mark it as finished when it is fulfilled.

1. Duration fetch{xxx}{"store.sapling.fetch_{xxx}_us"} :

Duration of fetching xxx (blob, blobmetadata, tree, treemetadata) requests from the network in Microsecond.

1. Duration getRootTree{"store.sapling.get_root_tree_us"} :

Duration of getting a Root Tree from the Backing Store in Microsecond.

1. Duration importManifestForRoot{"store.sapling.import_manifest_for_root_us"} :

Duration of getting a manifest for Root from the Backing Store in Microsecond.

1. Counter fetch{xxx}Local{"store.sapling.fetch_{xxx}_local"} :

Number of xxx (blob, blobmetadata, tree, treemetadata) fetching locally from hgcache

1. Counter fetch{xxx}Success{"store.sapling.fetch_{xxx}_success"} :

Number of xxx (blob, blobmetadata, tree, treemetadata) that fetch successfully in the first try. (It could be local or remote)

1. Counter fetch{xxx}Failure{"store.sapling.fetch_{xxx}_failure"} :

Number of xxx (blob, blobmetadata, tree, treemetadata) that failed after retry.

1. Counter fetch{xxx}RetrySuccess{"store.sapling.fetch_{xxx}_retry_success"} :

Number of xxx (blob, tree) that fetch successfully in the retry. (It could be local or remote)

1. Counter getRootTreeLocal{"store.sapling.get_root_tree_local"} :

Number of root trees fetching locally from Cache

1. Counter getRootTreeSuccess{"store.sapling.get_root_tree_success"} :

Number of root trees that fetch successfully in the first try. (It could be local or remote)

1. Counter getRootTreeFailure{"store.sapling.get_root_tree_failure"} :

Number of root trees that failed after retry.

1. Counter getRootTreeRetrySuccess{"store.sapling.get_root_tree_retry_success"} :

Number of root trees that fetch successfully in the retry. (It could be local or remote)

1. Counter importManifestForRootLocal{ "store.sapling.import_manifest_for_root_local"} :

Number of manifest for root fetching locally from Cache

1. Counter importManifestForRootSuccess{"Store.sapling.import_manifest_for_root_success"} :

Number of manifest for root that fetch successfully in the first try. (It could be local or remote)

1. Counter importManifestForRootFailure{"Store.sapling.import_manifest_for_root_failure"} :

Number of manifest for root that failed after retry.

1. Counter importManifestForRootRetrySuccess{"Store.sapling.import_manifest_for_root_retry_success"} :

Number of manifests for root that fetch successfully in the retry. (It could be local or remote)

1. Duration prefetchBlob{"store.sapling.prefetch_blob_us"} :

Duration of prefetching Blobs requests from BackingStore.

1. Counter prefetchBlobLocal{"store.sapling.prefetch_blob_local"} :

Number of Blobs prefetching locally from Cache

1. Counter prefetchBlobSuccess{"store.sapling.prefetch_blob_success"} :

Number of Blobs that prefetch successfully in the first try. (It could be local or remote)

1. Counter prefetchBlobFailure{"store.sapling.prefetch_blob_failure"} :

Number of Blobs that failed in the prefetch after retry.

1. Counter prefetchBlobRetrySuccess{"store.sapling.prefetch_blob_retry_success"} :

Number of Blobs that prefetch successfully in the retry. (It could be local or remote)

1. Counter loadProxyHash{"store.sapling.load_proxy_hash"} :

Count the number of times that a proxy hash gets loaded.