Re: The size of KahaDB doesn't seem to decrease

2017-03-17 Thread Tim Bain
No, indexCacheSize is not a limit on the size of the index. It specifies how much of the index should be stored in memory (which is fast); if that's not enough to hold the full index, the remaining content will be paged in from db.data on disk (which is slow). As I understand it, db.data grows onl

Re: The size of KahaDB doesn't seem to decrease

2017-03-17 Thread Tim Bain
Yes, the DLQ is a queue, irrespective of what destination type the messages were originally sent to. Tim On Mar 17, 2017 1:49 AM, "Hidekazu" wrote: Dear Tim Thanks for helping me understand the specification of ActiveMQ. Thanks to you, I understand ActiveMQ more than before. I could delete d

Re: The size of KahaDB doesn't seem to decrease

2017-03-17 Thread Hidekazu
Dear Tim Thanks for helping me understand the specification of ActiveMQ. Thanks to you, I understand ActiveMQ more than before. I could delete data.db safely. (Thank you very much!!) By the way, I use ActiveMQ with TOPIC (not queue.) Will I see DLQ in queue tab in ActiveMQ console when my Active

Re: The size of KahaDB doesn't seem to decrease

2017-03-17 Thread Hidekazu
Dear cschneider Thanks to your advice, we could delete data.db safely. I found that activemq.xml had a parameter which limits the cache size. Is the parameter below perhaps for db.data? Or is it different from the limit for db.data because it explains that "cached in memory." http:/