新版TCGA數(shù)據(jù)下載簡介

GDCDataTransferTool

TheGDCDataPortalisarobustdata-drivenplatformthatallowsuserstosearchanddownloadcancerdatasetsforanalysisusingmodernwebtechnologies.KeyGDCDataPortalfeaturesinclude:? Databrowsingbyproject,file,case,orannotation? Visualizationallowinguserstoperformfine-grainedfilteringofsearchresults? Datasearchusingadvancedsmartsearchtechnology? Dataselectionintoapersonalizedcart? DatadownloaddirectlyfromthecartorfromGDCDataTransferToolusingamanifestTheGDCDataTransferTool:AnOverviewRawsequencedata,storedasBAMfiles,makesupthebulkofdatastoredattheNCIGenomicDataCommons(GDC).Thesizeofasinglefilecanvarygreatly.MostBAMfilesstoredintheGDCareinthe50MB-40GBsizerange,withsomeofthewholegenomeBAMfilesreachingsizesof200-300GB.TheGDCDataTransferToolprovidesanoptimizedmethodoftransferringdatatoandfromtheGDC,andenablesresumptionofinterruptedtransfersGDCDataTransferToolThesystemrecommendationsforusingtheGDCDataTransferToolareasfollows:? OS:Linux(Ubuntu14.xorlater),OSX(10.9Mavericksorlater),orWindows(7orlater)? CPU:Atleasteight64-bitcores,IntelorAMD? RAM:Atleast8GiB? Storage:Enterprise-classstoragesystemcapableofatleast1Gb/s(gigabitpersecond)writethroughputandsufficientfreespaceforBAMfiles.AccessingBuilt-inHelp:./gdc-clientusage:gdc-client[-h][--version]{download,upload,interactive}...gdc-client:error:toofewarguments./gdc-clientdownload–help./gdc-clientupload–helpPreparingforDataDownloadandUploadTheGDCDataTransferToolisintendedtobeusedinconjunctionwiththeGDCDataPortaltotransferdatatoorfromGDC.First,theGDCDataPortal’sinterfaceisusedtogenerateamanifestfileorobtainUUID(s)and(forcontrolleddata)anauthenticationtoken.TheGDCDataTransferToolisthenusedtotransferthedatafileslistedinthemanifestfileoridentifiedbyUUID(s).ObtainingaManifestFileforDataDownloadGDCDataPortal:SelectingFilesofInterestObtainingUUIDsforDataDownloadObtainingaManifestFileforDataUploadObtaininganAuthenticationTokenDownloads:DownloadingDataUsingaManifestFilegdc-clientdownload-mgdc_manifest_6746fe840d924cf623b4634b5ec6c630bd4c06b5.txtDownloadingDataUsingGDCFileUUIDsgdc-clientdownload22a29915-6712-4f7a-8dba-985ae9a1f005gdc-clientdownloade5976406-473a-4fbd-8c97-e95187cdc1bdfb3e261b-92ac-4027-b4d9-eb971a92a4c3ResumingaFailedDownloadgdc-clientdownloadf80ec672-d00f-42d5-b5ae-c7e06bc39da1DownloadingControlledDatagdc-clientdownload-mgdc_manifest_e24fac38d3b19f67facb74d3efa746e08b0c82c2.txt-tgdc-user-token.2015-06-17T09-10-02-04-00.txtUploads:UploadingDataUsingaManifestFilegdc-clientupload--manifestmanifest.yml--token-filetoken.txtUploadingDataUsingaGDCFileUUIDgdc-clientupload-icd939bdd-b607-4dd4-87a6-fad12893932d-ttoken.