LDT_SUB_GC: Missing Index bits!


#1

Ouch:

Sep 11 2015 17:09:28 GMT: WARNING (ldt): (ldt.c::1300) LDT_SUB_GC: Missing Index bits !!
Sep 11 2015 17:10:25 GMT: WARNING (ldt): (ldt.c::1300) LDT_SUB_GC: Missing Index bits !!
Sep 11 2015 17:11:23 GMT: WARNING (ldt): (ldt.c::1300) LDT_SUB_GC: Missing Index bits !!

Got any recommendations for instrumenting things so I can get some insight on what’s happening?

I’m using 3.6.0-1 on el6. I’ve a cluster of eight c3.2xlarges.

I’m using llists to queue ads for individual domains on a high-volume bidding server. Items added to the list vary in size from 400 bytes to 15k, lists from 10-10000 items long. The 8-node cluster is hit 50k-80k times per second, insertions maybe 4k-5k/second.

I’m using llist.add(), llist.remove_all() for most manipulations.


#2

@dougluce,

Thank you for posting about LDTs in our forum. Please see the LDT Feature Guide for current LDT recommendations and best practices.


#3

@dougluce,

Effective immediately, we will no longer actively support the LDT feature and will eventually remove the API. The exact deprecation and removal timeline will depend on customer and community requirements. Instead of LDTs, we advise that you use our newer List and SortedMap APIs, which are now available in all Aerospike-supported clients at the General Availability level. Read our blog post for details.