[METRON-820] StellarProcessor should have a static expression cache

• Type: Bug
• Status: Done
• Priority: Major
• Resolution: Done
• Fix Version/s: 0.4.0
• Assignee: Casey Stella
• Reporter: Casey Stella
• Created: 03/Apr/17 16:23
• Updated: 27/Jun/17 00:08
• Resolved: 17/Apr/17 22:28

Description

We recreate StellarProcessor objects all over the place which do not reuse their expression caches. This results in a significant performance regression as we are compiling the expression and then processing for every message, rather than compiling once and reusing.

Issue Links

• links to: GitHub Pull Request #508