$ bin/zopepy -m ZODB.scripts.analyze var/filestorage/Data.fs
Processed 154263 records in 12 transactions
Average record size is  392.94 bytes
Average transaction size is 5051392.08 bytes
Types used:
Class Name                                       Count    TBytes    Pct AvgSize
---------------------------------------------- ------- ---------  ----- -------
App.ApplicationManager.ApplicationManager            1       107   0.0%  107.00
App.Product.ProductFolder                            1        34   0.0%   34.00
BTrees.IFBTree.IFTreeSet                             1        31   0.0%   31.00
BTrees.IIBTree.IIBTree                            1427    433584   0.7%  303.84
BTrees.IIBTree.IIBucket                           4777   2571600   4.2%  538.33
BTrees.IIBTree.IISet                              8314   2934347   4.8%  352.94
BTrees.IIBTree.IITreeSet                         52121   2536703   4.2%   48.67
BTrees.IOBTree.IOBTree                           13068   1333674   2.2%  102.06
BTrees.IOBTree.IOBucket                          10673  17467489  28.8% 1636.61
BTrees.Length.Length                               187      5269   0.0%   28.18
BTrees.OIBTree.OIBTree                              16    226771   0.4% 14173.19
BTrees.OIBTree.OIBucket                           2550   5758013   9.5% 2258.04
BTrees.OOBTree.OOBTree                             238    332916   0.5% 1398.81
BTrees.OOBTree.OOBucket                           4395   4954721   8.2% 1127.35
BTrees.OOBTree.OOSet                                 4       124   0.0%   31.00
OFS.Application.Application                          1      1951   0.0% 1951.00
OFS.DTMLMethod.DTMLMethod                            1      1375   0.0% 1375.00
OFS.Folder.Folder                                    8       442   0.0%   55.25
OFS.Image.File                                       6     90470   0.1% 15078.33
OFS.Image.Image                                      1     22677   0.0% 22677.00
Persistence.mapping.PersistentMapping            13447   3783280   6.2%  281.35
...ATContentTypes.content.document.ATDocument        1      1066   0.0% 1066.00
...ATContentTypes.content.folder.ATFolder            4      5830   0.0% 1457.50
Products.ATContentTypes.tool.atct.ATCTTool           1      2541   0.0% 2541.00
Products.ATContentTypes.tool.topic.TopicIndex       69     15079   0.0%  218.54
...Archetypes.ArchetypeTool.ArchetypeTool            1       332   0.0%  332.00
Products.Archetypes.BaseUnit.BaseUnit               17      7630   0.0%  448.82
...ReferenceEngine.ReferenceBaseCatalog              1       518   0.0%  518.00
...Archetypes.ReferenceEngine.ReferenceCatalog       1       311   0.0%  311.00
Products.Archetypes.UIDCatalog.UIDBaseCatalog        1       495   0.0%  495.00
Products.Archetypes.UIDCatalog.UIDCatalog            1       291   0.0%  291.00
...BTreeFolder2.BTreeFolder2.BTreeFolder2            1       206   0.0%  206.00
...CMFActionIcons.ActionIconsTool.ActionIcon         1       265   0.0%  265.00
Products.CMFCore.ActionInformation.Action           38     18436   0.0%  485.16
...CMFCore.ActionInformation.ActionCategory          9      3882   0.0%  431.33
...CMFCore.ActionInformation.ActionInformation      72     23195   0.0%  322.15
...CachingPolicyManager.CachingPolicyManager         1       280   0.0%  280.00
...ContentTypeRegistry.ContentTypeRegistry           1       441   0.0%  441.00
...ContentTypeRegistry.ExtensionPredicate            5       629   0.0%  125.80
...ContentTypeRegistry.MajorMinorPredicate           7       880   0.0%  125.71
Products.CMFCore.DirectoryView.DirectoryView        32      5844   0.0%  182.62
Products.CMFCore.Expression.Expression             384     33908   0.1%   88.30
...CMFCore.TypesTool.FactoryTypeInformation         15     11648   0.0%  776.53
Products.CMFDefault.MetadataTool.ElementSpec         6       864   0.0%  144.00
...MetadataTool.MetadataElementPolicy                6       522   0.0%   87.00
...CMFDefault.MetadataTool.MetadataSchema            1       145   0.0%  145.00
...SyndicationInfo.SyndicationInformation            2       692   0.0%  346.00
Products.CMFDiffTool.CMFDiffTool.CMFDiffTool         1       552   0.0%  552.00
...fti.DynamicViewTypeInformation                   11      9664   0.0%  878.55
...CMFEditions.ArchivistTool.ArchivistTool           1       106   0.0%  106.00
...CopyModifyMergeRepositoryTool                     1       710   0.0%  710.00
...KeepLastNVersionsTool.KeepLastNVersionsTool       1       122   0.0%  122.00
...ModifierRegistryTool.ModifierRegistryTool         1      1786   0.0% 1786.00
...CMFEditions.Modifiers.ConditionalModifier         3       891   0.0%  297.00
...Modifiers.ConditionalTalesModifier               11      4044   0.0%  367.64
...ReferenceFactoriesTool                            1       124   0.0%  124.00
...AbortVersioningOfLargeFilesAndImages              1       266   0.0%  266.00
...SkipVersioningOfLargeFilesAndImages               1       263   0.0%  263.00
...VersionPolicies.ATVersionOnEditPolicy             1       157   0.0%  157.00
...CMFEditions.VersionPolicies.VersionPolicy         1       139   0.0%  139.00
...CMFEditions.ZVCStorageTool.ZVCStorageTool         1       108   0.0%  108.00
...historyidhandlertool.HistoryIdHandlerTool         1       120   0.0%  120.00
...CMFFormController.FormAction.FormAction           4      1528   0.0%  382.00
...FormAction.FormActionContainer                    1       322   0.0%  322.00
...CMFFormController.FormAction.FormActionKey        4       421   0.0%  105.25
...FormController.FormController                     1       353   0.0%  353.00
...FormValidator.FormValidatorContainer              1        90   0.0%   90.00
...CMFPlone.ActionIconsTool.ActionIconsTool          1       287   0.0%  287.00
Products.CMFPlone.ActionsTool.ActionsTool            1       785   0.0%  785.00
Products.CMFPlone.CalendarTool.CalendarTool          1       162   0.0%  162.00
Products.CMFPlone.CatalogTool.CatalogTool            1       682   0.0%  682.00
...CMFPlone.DiscussionTool.DiscussionTool            1       105   0.0%  105.00
Products.CMFPlone.FactoryTool.FactoryTool            1       309   0.0%  309.00
Products.CMFPlone.InterfaceTool.InterfaceTool        1       150   0.0%  150.00
Products.CMFPlone.MetadataTool.MetadataTool          1       237   0.0%  237.00
Products.CMFPlone.MigrationTool.MigrationTool        1       165   0.0%  165.00
...CMFPlone.PloneControlPanel.PloneConfiglet        31     13178   0.0%  425.10
...PloneControlPanel.PloneControlPanel               1       752   0.0%  752.00
Products.CMFPlone.PloneTool.PloneTool                1       132   0.0%  132.00
Products.CMFPlone.Portal.PloneSite                   1     16583   0.0% 16583.00
...CMFPlone.PropertiesTool.PropertiesTool            1       569   0.0%  569.00
...PropertiesTool.SimpleItemWithProperties           4      6798   0.0% 1699.50
...QuickInstallerTool.QuickInstallerTool             1      1849   0.0% 1849.00
...CMFPlone.RegistrationTool.RegistrationTool        1       190   0.0%  190.00
Products.CMFPlone.SkinsTool.SkinsTool                1      2182   0.0% 2182.00
...CMFPlone.SyndicationTool.SyndicationTool          1       163   0.0%  163.00
...TranslationServiceTool                            1       179   0.0%  179.00
Products.CMFPlone.TypesTool.TypesTool                1      2167   0.0% 2167.00
Products.CMFPlone.URLTool.URLTool                    1       157   0.0%  157.00
Products.CMFPlone.UndoTool.UndoTool                  1       156   0.0%  156.00
Products.CMFPlone.WorkflowTool.WorkflowTool          1       932   0.0%  932.00
...InstalledProduct.InstalledProduct                21     18355   0.0%  874.05
...UniqueIdAnnotationTool                            1       119   0.0%  119.00
...UniqueIdGeneratorTool.UniqueIdGeneratorTool       1       136   0.0%  136.00
...UniqueIdHandlerTool.UniqueIdHandlerTool           1       113   0.0%  113.00
...DCWorkflow.DCWorkflow.DCWorkflowDefinition        8      8725   0.0% 1090.62
Products.DCWorkflow.Guard.Guard                     38      3217   0.0%   84.66
Products.DCWorkflow.Scripts.Scripts                  8       624   0.0%   78.00
Products.DCWorkflow.States.StateDefinition          23      8786   0.0%  382.00
Products.DCWorkflow.States.States                    8      2277   0.0%  284.62
...DCWorkflow.Transitions.TransitionDefinition      27     17187   0.0%  636.56
Products.DCWorkflow.Transitions.Transitions          8      2580   0.0%  322.50
...DCWorkflow.Variables.VariableDefinition          40     14188   0.0%  354.70
Products.DCWorkflow.Variables.Variables              8      3112   0.0%  389.00
...DCWorkflow.Worklists.WorklistDefinition           3      1314   0.0%  438.00
Products.DCWorkflow.Worklists.Worklists              8      1080   0.0%  135.00
...ExtendedPathIndex.ExtendedPathIndex               1       392   0.0%  392.00
Products.GenericSetup.tool.SetupTool                 1      8771   0.0% 8771.00
Products.MailHost.MailHost.MailHost                  1       288   0.0%  288.00
...MimetypesRegistry.MimeTypeItem.MimeTypeItem    1159    249046   0.4%  214.88
...MimeTypesRegistry.MimeTypesRegistry               1       726   0.0%  726.00
...mime_types.mtr_mimetypes.application_msword       1       144   0.0%  144.00
...mtr_mimetypes.application_octet_stream            1       243   0.0%  243.00
...mime_types.mtr_mimetypes.application_rtf          1       109   0.0%  109.00
...mime_types.mtr_mimetypes.text_html                1       139   0.0%  139.00
...mime_types.mtr_mimetypes.text_html_safe           1       101   0.0%  101.00
...mime_types.mtr_mimetypes.text_plain               1       195   0.0%  195.00
...mime_types.mtr_mimetypes.text_pre_plain           1       101   0.0%  101.00
...mime_types.mtr_mimetypes.text_python              1        96   0.0%   96.00
...mime_types.mtr_mimetypes.text_rest                1        96   0.0%   96.00
...mime_types.mtr_mimetypes.text_structured          1       102   0.0%  102.00
...mtr_mimetypes.text_web_intelligent                1       107   0.0%  107.00
...mime_types.mtr_mimetypes.text_web_markdown        1       104   0.0%  104.00
...mime_types.mtr_mimetypes.text_web_textile         1       103   0.0%  103.00
...mime_types.mtr_mimetypes.text_wiki                1        96   0.0%   96.00
...mime_types.mtr_mimetypes.text_xml                 1       137   0.0%  137.00
...ZopePageTemplate.ZopePageTemplate                 1       373   0.0%  373.00
...PasswordResetTool.PasswordResetTool               1       183   0.0%  183.00
...PloneLanguageTool.LanguageTool.LanguageTool       1       591   0.0%  591.00
Products.PlonePAS.plugins.autogroup.AutoGroup        1       198   0.0%  198.00
...cookie_handler.ExtendedCookieAuthHelper           2       371   0.0%  185.50
Products.PlonePAS.plugins.group.GroupManager         1       229   0.0%  229.00
...plugins.local_role.LocalRolesManager              1       105   0.0%  105.00
...property.ZODBMutablePropertyProvider              1       198   0.0%  198.00
...PlonePAS.plugins.role.GroupAwareRoleManager       1       200   0.0%  200.00
...PlonePAS.plugins.ufactory.PloneUserFactory        1       115   0.0%  115.00
Products.PlonePAS.plugins.user.UserManager           1       228   0.0%  228.00
Products.PlonePAS.tools.groupdata.GroupData          4       302   0.0%   75.50
...PlonePAS.tools.groupdata.GroupDataTool            1       359   0.0%  359.00
Products.PlonePAS.tools.groups.GroupsTool            1       148   0.0%  148.00
Products.PlonePAS.tools.memberdata.MemberData        1        70   0.0%   70.00
...PlonePAS.tools.memberdata.MemberDataTool          1      1572   0.0% 1572.00
...PlonePAS.tools.membership.MembershipTool          1       148   0.0%  148.00
...PluggableAuthService.PluggableAuthService         2      3389   0.0% 1694.50
...ChallengeProtocolChooser                          2       366   0.0%  183.00
...HTTPBasicAuthHelper.HTTPBasicAuthHelper           2       296   0.0%  148.00
...RecursiveGroupsPlugin.RecursiveGroupsPlugin       1       163   0.0%  163.00
...RequestTypeSniffer.RequestTypeSniffer             2       244   0.0%  122.00
...plugins.ZODBRoleManager.ZODBRoleManager           1       202   0.0%  202.00
...plugins.ZODBUserManager.ZODBUserManager           1       248   0.0%  248.00
...BooleanIndex.BooleanIndex.BooleanIndex            2       840   0.0%  420.00
...PluginIndexes.DateIndex.DateIndex.DateIndex       7      2570   0.0%  367.14
...DateRangeIndex.DateRangeIndex                     1       433   0.0%  433.00
...FieldIndex.FieldIndex.FieldIndex                 26      9000   0.0%  346.15
...KeywordIndex.KeywordIndex.KeywordIndex            5      1839   0.0%  367.80
...PluginIndexes.UUIDIndex.UUIDIndex.UUIDIndex       1       336   0.0%  336.00
...PluginRegistry.PluginRegistry                     2      3590   0.0% 1795.00
Products.PortalTransforms.Transform.Transform       24     11283   0.0%  470.12
...TransformEngine.TransformTool                     1      1588   0.0% 1588.00
...PythonScripts.PythonScript.PythonScript           1      1087   0.0% 1087.00
...tools.CSSRegistry.CSSRegistryTool                 1      6389   0.0% 6389.00
...tools.CSSRegistry.Stylesheet                     64      9600   0.0%  150.00
...tools.JSRegistry.JSRegistryTool                   1      7912   0.0% 7912.00
...tools.JSRegistry.JavaScript                      77     11473   0.0%  149.00
...tools.KSSRegistry.KSSRegistryTool                 1      1729   0.0% 1729.00
...tools.KSSRegistry.KineticStylesheet              15      2355   0.0%  157.00
...Sessions.BrowserIdManager.BrowserIdManager        1       322   0.0%  322.00
...SessionDataManager.SessionDataManager             1       234   0.0%  234.00
...SessionDataManagerTraverser                       1       156   0.0%  156.00
...VirtualHostMonster.VirtualHostMonster             1        92   0.0%   92.00
...SiteErrorLog.SiteErrorLog.SiteErrorLog            2       326   0.0%  163.00
...AcceleratedHTTPCacheManager                       1       317   0.0%  317.00
...RAMCacheManager.RAMCacheManager                   2       688   0.0%  344.00
Products.TinyMCE.utility.TinyMCE                     1      2748   0.0% 2748.00
Products.ZCTextIndex.OkapiIndex.OkapiIndex           3      1143   0.0%  381.00
Products.ZCTextIndex.ZCTextIndex.PLexicon            3      1487   0.0%  495.67
Products.ZCTextIndex.ZCTextIndex.ZCTextIndex         3       846   0.0%  282.00
Products.ZCatalog.Catalog.Catalog                    1      2607   0.0% 2607.00
...ZODBMountPoint.MountedObject.MountedObject        1       136   0.0%  136.00
ZODB.blob.Blob                                   12997    272937   0.5%   21.00
...workspace.WorkspaceLocalRoleManager               1        96   0.0%   96.00
five.intid.intid.IntIds                              1       162   0.0%  162.00
...registry.PersistentComponents                     1      2146   0.0% 2146.00
persistent.list.PersistentList                    1059    838861   1.4%  792.13
persistent.mapping.PersistentMapping                16     14809   0.0%  925.56
plone.app.collection.collection.Collection           2      3165   0.0% 1582.50
...app.customerize.tool.ViewTemplateContainer        1       179   0.0%  179.00
plone.app.discussion.tool.CommentingTool             1       147   0.0%  147.00
plone.app.folder.nogopip.GopipIndex                  1       188   0.0%  188.00
plone.app.i18n.locales.countries.Countries           1       136   0.0%  136.00
...app.i18n.locales.languages.ContentLanguages       1       165   0.0%  165.00
...i18n.locales.languages.MetadataLanguages          1       167   0.0%  167.00
plone.app.portlets.portlets.events.Assignment        1       260   0.0%  260.00
...app.portlets.portlets.navigation.Assignment       1       329   0.0%  329.00
plone.app.portlets.portlets.news.Assignment          1       256   0.0%  256.00
...portlets.storage.PortletAssignmentMapping         2       501   0.0%  250.50
...app.redirector.storage.RedirectionStorage         1       288   0.0%  288.00
plone.app.registry.registry.Registry                 1       350   0.0%  350.00
...storage.ViewletSettingsStorage                    1       348   0.0%  348.00
...engine.assignments.RuleAssignmentManager          5       895   0.0%  179.00
plone.contentrules.engine.storage.RuleStorage        1       314   0.0%  314.00
plone.dexterity.content.Item                     12997  13743003  22.7% 1057.40
plone.dexterity.factory.DexterityFactory             2       178   0.0%   89.00
plone.dexterity.fti.DexterityFTI                     2      2396   0.0% 1198.00
plone.keyring.keyring.Keyring                        1       460   0.0%  460.00
plone.namedfile.file.NamedBlobFile               12997   2439220   4.0%  187.68
...mimetype.text_plone_outputfilters_html            1        93   0.0%   93.00
plone.portlets.manager.PortletManager               30     10798   0.0%  359.93
plone.portlets.registration.PortletType             13      3378   0.0%  259.85
plone.portlets.storage.PortletCategoryMapping       90     25380   0.0%  282.00
plone.registry.field.ASCIILine                      13      4530   0.0%  348.46
plone.registry.field.Bool                           64     29307   0.0%  457.92
plone.registry.field.Choice                          6      3509   0.0%  584.83
plone.registry.field.Dict                            4      2999   0.0%  749.75
plone.registry.field.DottedName                     28      8203   0.0%  292.96
plone.registry.field.Int                             3      1402   0.0%  467.33
plone.registry.field.List                           27     13150   0.0%  487.04
plone.registry.field.Password                        1       595   0.0%  595.00
plone.registry.field.Text                           45     17959   0.0%  399.09
plone.registry.field.TextLine                      145     57026   0.1%  393.28
plone.registry.field.Tuple                           7      4840   0.0%  691.43
plone.registry.field.URI                             2       440   0.0%  220.00
plone.session.plugins.session.SessionPlugin          1        92   0.0%   92.00
z3c.relationfield.index.RelationCatalog              1       758   0.0%  758.00
...PersistentAdapterRegistry                         2     11525   0.0% 5762.50
zope.ramcache.ram.RAMCache                           1       289   0.0%  289.00
============================================== ======= =========  ===== =======
                            Total Transactions      12                  4933.00k
                                 Total Records  154263    59196k 100.0%  392.94
                               Current Objects  154263    59196k 100.0%  392.94