I have an issue in Publishing the page on one the server. We have legacy load balance (Master --slave). I have a site which when published it goes in hang state... 1) It works fine in slave servers after publish but on the master it couldn't respond..shows../umbraco/backoffice/UmbracoApi/Content/PostSave pending state. in console..

the logs I have shared.

umbraco version 7.6.11

2019-04-03 11:36:55,252 [P241796/D2/T12] ERROR Umbraco.Core.Sync.DatabaseServerMessenger - DISTRIBUTED CACHE IS NOT UPDATED. Failed to execute instructions (id: 3572, instruction count: 2). Instruction is being skipped/ignored The thread has been aborted, because the request has timed out. System.Threading.ThreadAbortException: Thread was being aborted. at System.Xml.XmlDocument.AddElementWithId(String id, XmlElement elem) at System.Xml.XmlAttributeCollection.SetNamedItem(XmlNode node) at System.Xml.XmlDocument.ImportAttributes(XmlNode fromElem, XmlNode toElem) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.ImportNodeInternal(XmlNode node, Boolean deep) at System.Xml.XmlDocument.ImportChildren(XmlNode fromNode, XmlNode toNode, Boolean deep) at System.Xml.XmlDocument.CloneNode(Boolean deep) at umbraco.SafeXmlReaderWriter.Clone(XmlDocument xml) at umbraco.SafeXmlReaderWriter.Get(IScopeProviderInternal scopeProvider, AsyncLock xmlLock, XmlDocument xml, Action1 refresh, Action2 apply, Boolean writer) at umbraco.content.GetSafeXmlWriter() at umbraco.content.UpdateDocumentCache(Document d) at Umbraco.Web.Cache.PageCacheRefresher.Refresh(Int32 id) at Umbraco.Core.Sync.DatabaseServerMessenger.RefreshByIds(Guid uniqueIdentifier, String jsonIds) at Umbraco.Core.Sync.DatabaseServerMessenger.NotifyRefreshers(IEnumerable1 instructions, HashSet1 processed) at Umbraco.Core.Sync.DatabaseServerMessenger.ProcessDatabaseInstructions(IReadOnlyCollection1 instructionBatch, CacheInstructionDto dto, HashSet1 processed, Int32& lastId) 2019-04-03 11:36:59,089 [P241796/D2/T12] INFO umbraco.content - Save Xml to file... 2019-04-03 11:36:59,390 [P241796/D2/T12] INFO umbraco.content - Saved Xml to file.