Cache NOT getting cleared on Publishing item from Sitecore CMS |Sitecore Remote Events not Executing

I was facing an issue where cache was not getting cleared from Live server when any item is published from CM server.

On investigating I found that EQ Stamp value was not getting updated in Properties table(Web DB) on publishing from CMS. EQ stamp value has the time stamp information about last time event queue was read by the system.

Later on I found a blog https://mikael.com/2017/08/sitecore-remote-events-stopped-working/ which states the you have delete the lock file from Data/indexes/__system folder irrespective of whether you are using Solr or Lucene search.

When I deleted the .lock files, It worked for me.