Persistent predicates based on RocksDB

[peter.ludemann]

@EricGT

Is tcmalloc needed/advantageous for using SWI-Prolog with #RocksDB?

The Makefile for pack(rocksdb) has
ROCKSENV=ROCKSDB_DISABLE_JEMALLOC=1 ROCKSDB_DISABLE_TCMALLOC=1

@jan made a comment about the tcmalloc warning here:

Installation fails with "No rule to make target `man/archive'"

You can do that also from the command line cmake -DLIBUUID_INCLUDE_DIR=/usr/include/ossp Normally the configuration is done using the utility uuid-config. Is that not present in the OpenSUSE version or is it installed somewhere else? That is normal. Maybe this should be suppressed. linking to tcmalloc must be done in the main program and is only done for swipl as the advantages are mostly relevant to multi threaded server applications. Standard glibc ptmalloc results in poor memory …