diff --git a/models/chunter/src/index.ts b/models/chunter/src/index.ts
index b8bb7da2ca..a59cb8b959 100644
--- a/models/chunter/src/index.ts
+++ b/models/chunter/src/index.ts
@@ -15,30 +15,30 @@
 
 import activity, { type ActivityMessageControl } from '@hcengineering/activity'
 import { chunterId, type ChunterSpace } from '@hcengineering/chunter'
-import presentation from '@hcengineering/model-presentation'
+import contact from '@hcengineering/contact'
 import { type Builder } from '@hcengineering/model'
 import core from '@hcengineering/model-core'
+import presentation from '@hcengineering/model-presentation'
 import view from '@hcengineering/model-view'
 import workbench from '@hcengineering/model-workbench'
 import { WidgetType } from '@hcengineering/workbench'
-import contact from '@hcengineering/contact'
 
-import chunter from './plugin'
 import { defineActions } from './actions'
 import { defineNotifications } from './notifications'
+import chunter from './plugin'
 import {
   DOMAIN_CHUNTER,
   TChannel,
   TChatMessage,
   TChatMessageViewlet,
   TChatSyncInfo,
+  TChunterExtension,
   TChunterSpace,
   TDirectMessage,
   TInlineButton,
   TObjectChatPanel,
   TThreadMessage,
-  TTypingInfo,
-  TChunterExtension
+  TTypingInfo
 } from './types'
 
 export { chunterId } from '@hcengineering/chunter'
@@ -161,6 +161,10 @@ export function createModel (builder: Builder): void {
     presenter: chunter.component.ThreadMessagePresenter
   })
 
+  builder.mixin(chunter.class.TypingInfo, core.class.Class, core.mixin.TransientConfiguration, {
+    broadcastOnly: true
+  })
+
   builder.createDoc(
     view.class.Viewlet,
     core.space.Model,
diff --git a/models/core/src/core.ts b/models/core/src/core.ts
index 3942868da8..2cff517172 100644
--- a/models/core/src/core.ts
+++ b/models/core/src/core.ts
@@ -14,8 +14,6 @@
 //
 
 import {
-  type Card,
-  type CollaborativeDoc,
   DOMAIN_BLOB,
   DOMAIN_CONFIGURATION,
   DOMAIN_DOC_INDEX_STATE,
@@ -27,8 +25,10 @@ import {
   type ArrOf,
   type AttachedDoc,
   type Blob,
+  type Card,
   type Class,
   type ClassifierKind,
+  type CollaborativeDoc,
   type Collection,
   type Configuration,
   type ConfigurationElement,
@@ -50,6 +50,7 @@ import {
   type RefTo,
   type Space,
   type Timestamp,
+  type TransientConfiguration,
   type Type,
   type TypeAny,
   type Version
@@ -403,3 +404,9 @@ export class TTypeCollaborativeDocVersion extends TType {}
 @UX(core.string.Rank)
 @Model(core.class.TypeRank, core.class.Type)
 export class TTypeRank extends TType {}
+
+@MMixin(core.mixin.TransientConfiguration, core.class.Class)
+export class TTransientConfiguration extends TClass implements TransientConfiguration {
+  @Prop(TypeBoolean(), core.string.Private)
+    broadcastOnly!: boolean
+}
diff --git a/models/core/src/index.ts b/models/core/src/index.ts
index 0ef71c7ae9..e7dfc70eca 100644
--- a/models/core/src/index.ts
+++ b/models/core/src/index.ts
@@ -39,12 +39,12 @@ import {
   TAttachedDoc,
   TAttribute,
   TBlob,
+  TCard,
   TClass,
   TCollection,
   TConfiguration,
   TConfigurationElement,
   TDoc,
-  TCard,
   TDocIndexState,
   TDomainIndexConfiguration,
   TEnum,
@@ -57,6 +57,7 @@ import {
   TObj,
   TPluginConfiguration,
   TRefTo,
+  TTransientConfiguration,
   TType,
   TTypeAny,
   TTypeBlob,
@@ -173,7 +174,8 @@ export function createModel (builder: Builder): void {
     TMigrationState,
     TBlob,
     TDomainIndexConfiguration,
-    TBenchmarkDoc
+    TBenchmarkDoc,
+    TTransientConfiguration
   )
 
   builder.createDoc(
diff --git a/packages/core/src/classes.ts b/packages/core/src/classes.ts
index c64aa82119..3c37f52773 100644
--- a/packages/core/src/classes.ts
+++ b/packages/core/src/classes.ts
@@ -15,8 +15,8 @@
 //
 
 import type { Asset, IntlString, Plugin } from '@hcengineering/platform'
-import type { DocumentQuery } from './storage'
 import { CollaborativeDoc } from './collaboration'
+import type { DocumentQuery } from './storage'
 
 /**
  * @public
@@ -346,6 +346,14 @@ export const DOMAIN_MIGRATION = '_migrations' as Domain
  */
 export const DOMAIN_TRANSIENT = 'transient' as Domain
 
+/**
+ * @public
+ */
+export interface TransientConfiguration extends Class<Doc> {
+  // If set will not store transient objects into memdb
+  broadcastOnly: boolean
+}
+
 /**
  * Special domain to access s3 blob data.
  * @public
diff --git a/packages/core/src/component.ts b/packages/core/src/component.ts
index 5349a3a8c2..baed6b65de 100644
--- a/packages/core/src/component.ts
+++ b/packages/core/src/component.ts
@@ -48,6 +48,7 @@ import type {
   SpaceTypeDescriptor,
   SystemSpace,
   Timestamp,
+  TransientConfiguration,
   Type,
   TypeAny,
   TypedSpace,
@@ -148,7 +149,8 @@ export default plugin(coreId, {
   mixin: {
     ConfigurationElement: '' as Ref<Mixin<ConfigurationElement>>,
     IndexConfiguration: '' as Ref<Mixin<IndexingConfiguration<Doc>>>,
-    SpacesTypeData: '' as Ref<Mixin<Space>>
+    SpacesTypeData: '' as Ref<Mixin<Space>>,
+    TransientConfiguration: '' as Ref<Mixin<TransientConfiguration>>
   },
   space: {
     Tx: '' as Ref<Space>,
diff --git a/packages/ui/src/components/Component.svelte b/packages/ui/src/components/Component.svelte
index eeb4909f8d..597233cce3 100644
--- a/packages/ui/src/components/Component.svelte
+++ b/packages/ui/src/components/Component.svelte
@@ -13,7 +13,7 @@
 // limitations under the License.
 -->
 <script lang="ts">
-  import { getResource, getResourceP } from '@hcengineering/platform'
+  import { getResourceP } from '@hcengineering/platform'
   import { deepEqual } from 'fast-equals'
   import { SvelteComponent } from 'svelte'
   import type { AnyComponent, AnySvelteComponent } from '../types'
@@ -70,6 +70,7 @@
             }
           })
       } else {
+        loading = false
         Ctor = component
       }
     } else {
diff --git a/plugins/chunter-resources/src/components/DirectIcon.svelte b/plugins/chunter-resources/src/components/DirectIcon.svelte
index 87ae03a0db..9fb94ef584 100644
--- a/plugins/chunter-resources/src/components/DirectIcon.svelte
+++ b/plugins/chunter-resources/src/components/DirectIcon.svelte
@@ -14,9 +14,9 @@
 -->
 <script lang="ts">
   import { DirectMessage } from '@hcengineering/chunter'
-  import contact, { Person, PersonAccount } from '@hcengineering/contact'
-  import { Avatar, CombineAvatars, personAccountByIdStore, personByIdStore } from '@hcengineering/contact-resources'
-  import { Account, IdMap, Ref } from '@hcengineering/core'
+  import contact, { Person } from '@hcengineering/contact'
+  import { Avatar, CombineAvatars, personByIdStore } from '@hcengineering/contact-resources'
+  import { Ref } from '@hcengineering/core'
   import { getClient } from '@hcengineering/presentation'
   import { Icon, IconSize } from '@hcengineering/ui'
   import { classIcon } from '@hcengineering/view-resources'
@@ -54,10 +54,6 @@
   $: if (size === 'small') {
     avatarSize = 'x-small'
   }
-
-  function getAccountByPerson (accountById: IdMap<PersonAccount>, person: Person): Account | undefined {
-    return Array.from(accountById.values()).find((account) => account.person === person._id)
-  }
 </script>
 
 {#if persons.length === 0}
@@ -65,13 +61,7 @@
 {/if}
 
 {#if persons.length === 1}
-  <Avatar
-    person={persons[0]}
-    size={avatarSize}
-    name={persons[0].name}
-    {showStatus}
-    account={getAccountByPerson($personAccountByIdStore, persons[0])?._id}
-  />
+  <Avatar person={persons[0]} size={avatarSize} name={persons[0].name} {showStatus} />
 {/if}
 
 {#if persons.length > 1 && size === 'medium'}
diff --git a/plugins/contact-resources/src/components/Avatar.svelte b/plugins/contact-resources/src/components/Avatar.svelte
index 50331af79a..6160eccf3e 100644
--- a/plugins/contact-resources/src/components/Avatar.svelte
+++ b/plugins/contact-resources/src/components/Avatar.svelte
@@ -31,8 +31,7 @@
 </script>
 
 <script lang="ts">
-  import { getAvatarProviderId, getFirstName, getLastName } from '@hcengineering/contact'
-  import { Account } from '@hcengineering/core'
+  import { Employee, getAvatarProviderId, getFirstName, getLastName, Person } from '@hcengineering/contact'
   import { Asset, getMetadata, getResource } from '@hcengineering/platform'
   import { getBlobURL, reduceCalls } from '@hcengineering/presentation'
   import {
@@ -45,10 +44,11 @@
     themeStore
   } from '@hcengineering/ui'
   import { onMount } from 'svelte'
-  import { loadUsersStatus, statusByUserStore } from '../utils'
+
+  import { loadUsersStatus, employeeByIdStore, personAccountByPersonId, statusByUserStore } from '../utils'
   import AvatarInstance from './AvatarInstance.svelte'
 
-  export let person: Data<WithLookup<AvatarInfo>> | undefined = undefined
+  export let person: (Data<WithLookup<AvatarInfo>> & { _id?: Ref<Person> }) | undefined = undefined
   export let name: string | null | undefined = undefined
   export let direct: Blob | undefined = undefined
   export let size: IconSize
@@ -56,7 +56,6 @@
   export let variant: 'circle' | 'roundedRect' | 'none' = 'roundedRect'
   export let borderColor: number | undefined = undefined
   export let showStatus: boolean = true
-  export let account: Ref<Account> | undefined = undefined
 
   export function pulse (): void {
     avatarInst.pulse()
@@ -126,10 +125,14 @@
     loadUsersStatus()
   })
 
-  $: userStatus = account !== undefined ? $statusByUserStore.get(account) : undefined
+  let employee: Employee | undefined = undefined
+
+  $: employee = person?._id && showStatus ? $employeeByIdStore.get(person._id as Ref<Employee>) : undefined
+  $: accounts = employee?.active ? $personAccountByPersonId.get(employee._id) ?? [] : []
+  $: isOnline = accounts.some((account) => $statusByUserStore.get(account._id)?.online === true)
 </script>
 
-{#if showStatus && account}
+{#if showStatus && accounts.length > 0}
   <div class="relative">
     <AvatarInstance
       bind:this={avatarInst}
@@ -144,7 +147,7 @@
       bind:element
       withStatus
     />
-    <div class="hulyAvatar-statusMarker {size}" class:online={userStatus?.online} class:offline={!userStatus?.online} />
+    <div class="hulyAvatar-statusMarker {size}" class:online={isOnline} class:offline={!isOnline} />
   </div>
 {:else}
   <AvatarInstance
diff --git a/plugins/contact-resources/src/components/AvatarRef.svelte b/plugins/contact-resources/src/components/AvatarRef.svelte
index 4cd137124e..91c5336201 100644
--- a/plugins/contact-resources/src/components/AvatarRef.svelte
+++ b/plugins/contact-resources/src/components/AvatarRef.svelte
@@ -15,10 +15,11 @@
 
 <script lang="ts">
   import contact, { type Contact, type Employee } from '@hcengineering/contact'
-  import core, { Account, type Ref, type WithLookup } from '@hcengineering/core'
+  import { type Ref, type WithLookup } from '@hcengineering/core'
   import { Asset } from '@hcengineering/platform'
   import { getClient } from '@hcengineering/presentation'
   import { AnySvelteComponent, IconSize } from '@hcengineering/ui'
+
   import { employeeByIdStore, personByIdStore } from '../utils'
   import Avatar from './Avatar.svelte'
 
@@ -30,7 +31,6 @@
   export let variant: 'circle' | 'roundedRect' | 'none' = 'roundedRect'
   export let borderColor: number | undefined = undefined
   export let showStatus: boolean = true
-  export let account: Ref<Account> | undefined = undefined
 
   $: empValue = $employeeByIdStore.get(_id as Ref<Employee>) ?? $personByIdStore.get(_id)
 
@@ -47,4 +47,4 @@
   }
 </script>
 
-<Avatar person={_contact} {name} {size} {icon} {variant} {borderColor} {showStatus} {account} />
+<Avatar person={_contact} {name} {size} {icon} {variant} {borderColor} {showStatus} />
diff --git a/plugins/contact-resources/src/components/PersonElement.svelte b/plugins/contact-resources/src/components/PersonElement.svelte
index 8fb3eb2f8a..b33f817d0a 100644
--- a/plugins/contact-resources/src/components/PersonElement.svelte
+++ b/plugins/contact-resources/src/components/PersonElement.svelte
@@ -13,14 +13,12 @@
 // limitations under the License.
 -->
 <script lang="ts">
-  import contact, { Employee, Person } from '@hcengineering/contact'
+  import { Employee, Person } from '@hcengineering/contact'
   import { IconSize, LabelAndProps, tooltip } from '@hcengineering/ui'
   import { DocNavLink, ObjectMention } from '@hcengineering/view-resources'
   import { ObjectPresenterType } from '@hcengineering/view'
 
   import Avatar from './Avatar.svelte'
-  import { personAccountByIdStore } from '../utils'
-  import { getClient } from '@hcengineering/presentation'
 
   export let value: Person | Employee | undefined | null
   export let name: string
@@ -39,12 +37,6 @@
   export let type: ObjectPresenterType = 'link'
   export let showStatus = true
   export let overflowLabel = true
-
-  const client = getClient()
-  const hierarchy = client.getHierarchy()
-
-  $: showStatus = showStatus && !!value && hierarchy.hasMixin(value, contact.mixin.Employee)
-  $: account = value && Array.from($personAccountByIdStore.values()).find((account) => account.person === value?._id)
 </script>
 
 {#if value}
@@ -64,7 +56,7 @@
             class:mr-2={shouldShowName && !enlargedText}
             class:mr-3={shouldShowName && enlargedText}
           >
-            <Avatar size={avatarSize} person={value} name={value.name} {showStatus} account={account?._id} />
+            <Avatar size={avatarSize} person={value} name={value.name} {showStatus} />
           </span>
         {/if}
         {#if shouldShowName}
diff --git a/plugins/contact-resources/src/components/UserDetails.svelte b/plugins/contact-resources/src/components/UserDetails.svelte
index 8f9cdd2bde..f42879c34e 100644
--- a/plugins/contact-resources/src/components/UserDetails.svelte
+++ b/plugins/contact-resources/src/components/UserDetails.svelte
@@ -15,37 +15,23 @@
 <script lang="ts">
   import { getClient } from '@hcengineering/presentation'
   import { IconSize } from '@hcengineering/ui'
-  import { Person, getName, PersonAccount } from '@hcengineering/contact'
-  import { Account, IdMap } from '@hcengineering/core'
+  import { Person, getName } from '@hcengineering/contact'
 
   import Avatar from './Avatar.svelte'
-  import { personAccountByIdStore } from '../utils'
 
   export let person: Person
   export let avatarSize: IconSize = 'x-small'
   export let showStatus = true
 
   const client = getClient()
-  const hierarchy = client.getHierarchy()
-
-  function getAccountByPerson (accountById: IdMap<PersonAccount>, person: Person): Account | undefined {
-    return Array.from(accountById.values()).find((account) => account.person === person._id)
-  }
 </script>
 
 <!-- svelte-ignore a11y-click-events-have-key-events -->
 <!-- svelte-ignore a11y-no-static-element-interactions -->
 <div class="flex-row-center" on:click>
-  <Avatar
-    {person}
-    size={avatarSize}
-    name={person.name}
-    on:accent-color
-    {showStatus}
-    account={getAccountByPerson($personAccountByIdStore, person)?._id}
-  />
+  <Avatar {person} size={avatarSize} name={person.name} on:accent-color {showStatus} />
   <div class="flex-col min-w-0 {avatarSize === 'tiny' || avatarSize === 'inline' ? 'ml-1' : 'ml-3'}">
-    <div class="label overflow-label text-left">{getName(hierarchy, person)}</div>
+    <div class="label overflow-label text-left">{getName(client.getHierarchy(), person)}</div>
   </div>
 </div>
 
diff --git a/plugins/contact-resources/src/components/UserInfo.svelte b/plugins/contact-resources/src/components/UserInfo.svelte
index 5c11f5fbb5..a3cb0c555c 100644
--- a/plugins/contact-resources/src/components/UserInfo.svelte
+++ b/plugins/contact-resources/src/components/UserInfo.svelte
@@ -15,11 +15,10 @@
 <script lang="ts">
   import Avatar from './Avatar.svelte'
 
-  import contact, { getName, Person } from '@hcengineering/contact'
+  import { getName, Person } from '@hcengineering/contact'
   import { Asset } from '@hcengineering/platform'
   import { getClient } from '@hcengineering/presentation'
   import { AnySvelteComponent, IconSize } from '@hcengineering/ui'
-  import { personAccountByIdStore } from '../utils'
 
   export let value: Person
   export let subtitle: string | undefined = undefined
@@ -29,16 +28,12 @@
   export let showStatus = true
 
   const client = getClient()
-  const hierarchy = client.getHierarchy()
-
-  $: showStatus = showStatus && !!value && hierarchy.hasMixin(value, contact.mixin.Employee)
-  $: account = value && Array.from($personAccountByIdStore.values()).find((account) => account.person === value?._id)
 </script>
 
 <!-- svelte-ignore a11y-click-events-have-key-events -->
 <!-- svelte-ignore a11y-no-static-element-interactions -->
 <div class="flex-row-center" on:click>
-  <Avatar person={value} {size} {icon} name={value.name} on:accent-color {showStatus} account={account?._id} />
+  <Avatar person={value} {size} {icon} name={value.name} on:accent-color {showStatus} />
   <div class="flex-col min-w-0 {size === 'tiny' || size === 'inline' ? 'ml-1' : 'ml-2'}" class:max-w-20={short}>
     {#if subtitle}<div class="content-dark-color text-sm">{subtitle}</div>{/if}
     <div class="label text-left overflow-label">{getName(client.getHierarchy(), value)}</div>
diff --git a/server/backup/src/service.ts b/server/backup/src/service.ts
index 55ef156a8c..144bbc7022 100644
--- a/server/backup/src/service.ts
+++ b/server/backup/src/service.ts
@@ -13,6 +13,7 @@
 // limitations under the License.
 //
 
+import { Analytics } from '@hcengineering/analytics'
 import core, {
   BaseWorkspaceInfo,
   DOMAIN_TX,
@@ -81,7 +82,7 @@ class BackupWorker {
       `****************************************
       backup statistics:`,
       {
-        backuped: stats.processed,
+        processed: stats.processed,
         notChanges: stats.skipped,
         failed: stats.failedWorkspaces.length
       }
@@ -91,15 +92,23 @@ class BackupWorker {
   async schedule (ctx: MeasureContext): Promise<void> {
     console.log('schedule backup with interval', this.config.Interval, 'seconds')
     while (!this.canceled) {
-      const res = await this.backup(ctx)
-      this.printStats(ctx, res)
+      try {
+        const res = await this.backup(ctx, this.config.CoolDown * 1000)
+        this.printStats(ctx, res)
+      } catch (err: any) {
+        Analytics.handleError(err)
+        ctx.error('error retry in cool down/5', { cooldown: this.config.CoolDown, error: err })
+        await new Promise<void>((resolve) => setTimeout(resolve, (this.config.CoolDown / 5) * 1000))
+        continue
+      }
       console.log('cool down', this.config.CoolDown, 'seconds')
       await new Promise<void>((resolve) => setTimeout(resolve, this.config.CoolDown * 1000))
     }
   }
 
   async backup (
-    ctx: MeasureContext
+    ctx: MeasureContext,
+    recheckTimeout: number
   ): Promise<{ failedWorkspaces: BaseWorkspaceInfo[], processed: number, skipped: number }> {
     const workspacesIgnore = new Set(this.config.SkipWorkspaces.split(';'))
     ctx.info('skipped workspaces', { workspacesIgnore })
@@ -135,19 +144,21 @@ class BackupWorker {
       workspaces: workspaces.map((it) => it.workspace)
     })
 
-    return await this.doBackup(ctx, workspaces)
+    return await this.doBackup(ctx, workspaces, recheckTimeout)
   }
 
   async doBackup (
     rootCtx: MeasureContext,
-    workspaces: BaseWorkspaceInfo[]
+    workspaces: BaseWorkspaceInfo[],
+    recheckTimeout: number
   ): Promise<{ failedWorkspaces: BaseWorkspaceInfo[], processed: number, skipped: number }> {
     let index = 0
 
     const failedWorkspaces: BaseWorkspaceInfo[] = []
     let processed = 0
+    const startTime = Date.now()
     for (const ws of workspaces) {
-      if (this.canceled) {
+      if (this.canceled || Date.now() - startTime > recheckTimeout) {
         return { failedWorkspaces, processed, skipped: workspaces.length - processed }
       }
       index++
diff --git a/server/core/src/mem.ts b/server/core/src/mem.ts
index 8b615044d6..5f113d8e42 100644
--- a/server/core/src/mem.ts
+++ b/server/core/src/mem.ts
@@ -30,10 +30,12 @@ import core, {
   type StorageIterator,
   toFindResult,
   type Tx,
+  type TxCUD,
+  TxProcessor,
   type TxResult,
   type WorkspaceId
 } from '@hcengineering/core'
-import { type DbAdapterHandler, type DbAdapter, type DomainHelperOperations } from './adapter'
+import { type DbAdapter, type DbAdapterHandler, type DomainHelperOperations } from './adapter'
 
 /**
  * @public
@@ -119,7 +121,7 @@ export class DummyDbAdapter implements DbAdapter {
 class InMemoryAdapter extends DummyDbAdapter implements DbAdapter {
   private readonly modeldb: ModelDb
 
-  constructor (hierarchy: Hierarchy) {
+  constructor (readonly hierarchy: Hierarchy) {
     super()
     this.modeldb = new ModelDb(hierarchy)
   }
@@ -138,7 +140,23 @@ class InMemoryAdapter extends DummyDbAdapter implements DbAdapter {
   }
 
   async tx (ctx: MeasureContext, ...tx: Tx[]): Promise<TxResult[]> {
-    return await this.modeldb.tx(...tx)
+    // Filter transactions with broadcast only flags
+    const ftx = tx.filter((it) => {
+      if (TxProcessor.isExtendsCUD(it._class)) {
+        const cud = it as TxCUD<Doc>
+        const objClass = this.hierarchy.getClass(cud.objectClass)
+        const mix = this.hierarchy.hasMixin(objClass, core.mixin.TransientConfiguration)
+        if (mix && this.hierarchy.as(objClass, core.mixin.TransientConfiguration).broadcastOnly) {
+          // We do not need to store a broadcast only transactions into model.
+          return false
+        }
+      }
+      return true
+    })
+    if (ftx.length === 0) {
+      return []
+    }
+    return await this.modeldb.tx(...ftx)
   }
 }