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ListObjects Metadata Caching (#10648)

Browse Source 
Design: https://gist.github.com/klauspost/025c09b48ed4a1293c917cecfabdf21c

Gist of improvements:

* Cross-server caching and listing will use the same data across servers and requests.
* Lists can be arbitrarily resumed at a constant speed.
* Metadata for all files scanned is stored for streaming retrieval.
* The existing bloom filters controlled by the crawler is used for validating caches.
* Concurrent requests for the same data (or parts of it) will not spawn additional walkers.
* Listing a subdirectory of an existing recursive cache will use the cache.
* All listing operations are fully streamable so the number of objects in a bucket no 
  longer dictates the amount of memory.
* Listings can be handled by any server within the cluster.
* Caches are cleaned up when out of date or superseded by a more recent one.
This commit is contained in:
Klaus Post
2020-10-28 09:18:35 -07:00
committed by GitHub
parent 51222cc664
commit a982baff27
65 changed files with 6328 additions and 742 deletions
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68
cmd/peer-rest-common.go
View File

@@ -24,39 +24,41 @@ const (
)
const (
peerRESTMethodHealth = "/health"
peerRESTMethodServerInfo = "/serverinfo"
peerRESTMethodDriveOBDInfo = "/driveobdinfo"
peerRESTMethodNetOBDInfo = "/netobdinfo"
peerRESTMethodCPUOBDInfo = "/cpuobdinfo"
peerRESTMethodDiskHwOBDInfo = "/diskhwobdinfo"
peerRESTMethodOsInfoOBDInfo = "/osinfoobdinfo"
peerRESTMethodMemOBDInfo = "/memobdinfo"
peerRESTMethodProcOBDInfo = "/procobdinfo"
peerRESTMethodDispatchNetOBDInfo = "/dispatchnetobdinfo"
peerRESTMethodDeleteBucketMetadata = "/deletebucketmetadata"
peerRESTMethodLoadBucketMetadata = "/loadbucketmetadata"
peerRESTMethodServerUpdate = "/serverupdate"
peerRESTMethodSignalService = "/signalservice"
peerRESTMethodBackgroundHealStatus = "/backgroundhealstatus"
peerRESTMethodGetLocks = "/getlocks"
peerRESTMethodLoadUser = "/loaduser"
peerRESTMethodLoadServiceAccount = "/loadserviceaccount"
peerRESTMethodDeleteUser = "/deleteuser"
peerRESTMethodDeleteServiceAccount = "/deleteserviceaccount"
peerRESTMethodLoadPolicy = "/loadpolicy"
peerRESTMethodLoadPolicyMapping = "/loadpolicymapping"
peerRESTMethodDeletePolicy = "/deletepolicy"
peerRESTMethodLoadGroup = "/loadgroup"
peerRESTMethodStartProfiling = "/startprofiling"
peerRESTMethodDownloadProfilingData = "/downloadprofilingdata"
peerRESTMethodReloadFormat = "/reloadformat"
peerRESTMethodCycleBloom = "/cyclebloom"
peerRESTMethodTrace = "/trace"
peerRESTMethodListen = "/listen"
peerRESTMethodLog = "/log"
peerRESTMethodGetLocalDiskIDs = "/getlocaldiskids"
peerRESTMethodGetBandwidth = "/bandwidth"
peerRESTMethodHealth = "/health"
peerRESTMethodServerInfo = "/serverinfo"
peerRESTMethodDriveOBDInfo = "/driveobdinfo"
peerRESTMethodNetOBDInfo = "/netobdinfo"
peerRESTMethodCPUOBDInfo = "/cpuobdinfo"
peerRESTMethodDiskHwOBDInfo = "/diskhwobdinfo"
peerRESTMethodOsInfoOBDInfo = "/osinfoobdinfo"
peerRESTMethodMemOBDInfo = "/memobdinfo"
peerRESTMethodProcOBDInfo = "/procobdinfo"
peerRESTMethodDispatchNetOBDInfo = "/dispatchnetobdinfo"
peerRESTMethodDeleteBucketMetadata = "/deletebucketmetadata"
peerRESTMethodLoadBucketMetadata = "/loadbucketmetadata"
peerRESTMethodServerUpdate = "/serverupdate"
peerRESTMethodSignalService = "/signalservice"
peerRESTMethodBackgroundHealStatus = "/backgroundhealstatus"
peerRESTMethodGetLocks = "/getlocks"
peerRESTMethodLoadUser = "/loaduser"
peerRESTMethodLoadServiceAccount = "/loadserviceaccount"
peerRESTMethodDeleteUser = "/deleteuser"
peerRESTMethodDeleteServiceAccount = "/deleteserviceaccount"
peerRESTMethodLoadPolicy = "/loadpolicy"
peerRESTMethodLoadPolicyMapping = "/loadpolicymapping"
peerRESTMethodDeletePolicy = "/deletepolicy"
peerRESTMethodLoadGroup = "/loadgroup"
peerRESTMethodStartProfiling = "/startprofiling"
peerRESTMethodDownloadProfilingData = "/downloadprofilingdata"
peerRESTMethodReloadFormat = "/reloadformat"
peerRESTMethodCycleBloom = "/cyclebloom"
peerRESTMethodTrace = "/trace"
peerRESTMethodListen = "/listen"
peerRESTMethodLog = "/log"
peerRESTMethodGetLocalDiskIDs = "/getlocaldiskids"
peerRESTMethodGetBandwidth = "/bandwidth"
peerRESTMethodGetMetacacheListing = "/getmetacache"
peerRESTMethodUpdateMetacacheListing = "/updatemetacache"
)
const (