How to update a live heavy traffic system with minimum or zero downtime is always an important thought in following I have discussed a few procedures that can be used to update a live site with minimum or not downtime If the services are exposed through a load balancer in front for example Nginx then
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Postgres database allows to insert and query json documents. To insert a json or jsonb object from tibco 5 we need to type cast and insert the object. Have a look at the followin here we are casting two json string to json and jsonb data types columns. The insert query is as following Now
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Recently I used AES encryption using Java. AES is an efficient algorithm for encryption. You can benefit from the helper class I wrote to perform the encryption and decryption using AES. To read mode about the AES encryption please follow this link AES Encryption Wiki Following is link to AES Helper source code AES Helper
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Here is an opensource setup that does the job as JRebel which offcourse is not free. Download HotswapAgent latest release from this url https://github.com/HotswapProjects/HotswapAgent/releases Download DCEVM jar from the following url https://github.com/dcevm/dcevm/releases Install DCEVM as an administrator java -jar DCEVM-light-8u112-installer.jar Create a new run configuration in intelliJ with following VM option -XXaltjvm=dcevm -javaagent:C:\Dev\sw\HotswapAgent-0.3\hotswap-agent.jar -Xms1G -Xmx5G
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