Compaction does not complete after running for 12 hours.

With the latest Forestdb commit, compaction does not complete after running for 12 hours. All other threads in benchmark test have completed except the thread handling compaction.
(gdb) t a a bt

Thread 4 (Thread 0x7f0c45a8b700 (LWP 30132)):
#0 0x0000003b3ba0b98e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00007f0c45cb9e47 in compactor_thread (voidargs=<value optimized out>) at /root/forestdb/src/compactor.cc:416
#2 0x0000003b3ba079d1 in start_thread () from /lib64/libpthread.so.0
#3 0x0000003b3b6e89dd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f0c4508a700 (LWP 30338)):
#0 0x0000003b3ba0822d in pthread_join () from /lib64/libpthread.so.0
#1 0x0000000000402c8f in do_incremental_writes (arg=0x192a730) at forestdb_workload.cc:375
#2 0x0000003b3ba079d1 in start_thread () from /lib64/libpthread.so.0
#3 0x0000003b3b6e89dd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f0c3d7fb700 (LWP 30342)):
#0 avl_search (tree=0x7f0c2800c270, node=0x7f0c3d7fa4e0, func=0x7f0c45cd3f20 <_hash_cmp_wrap(avl_node*, avl_node*, void*)>)
at /root/forestdb/src/avltree.cc:323
#1 0x00007f0c45cd4115 in _hash_find (ht=<value optimized out>, e=<value optimized out>, hash_val=<value optimized out>)
at /root/forestdb/src/hash.cc:88
#2 hash_find_by_hash_val (ht=<value optimized out>, e=<value optimized out>, hash_val=<value optimized out>)
at /root/forestdb/src/hash.cc:119
#3 0x00007f0c45cd5927 in wal_insert (txn=0x7f0c280020d8, file=0x7f0c28002000, doc=0x7f0c3d7fa740, offset=121888742168,
is_compactor=1, mmap_alloc=0) at /root/forestdb/src/wal.cc:232
#4 0x00007f0c45cc87da in __fdb_flush_doc_batch (handle=0x7f0c280008f0, new_file=0x7f0c28002000,
new_trie=<value optimized out>, new_seqtree=<value optimized out>, new_dhandle=0x7f0c28022a00,
new_bhandle=<value optimized out>, got_lock=false, new_idtree=0x0) at /root/forestdb/src/forestdb.cc:3710
#5 _fdb_compact_move_docs_seq (handle=0x7f0c280008f0, new_file=0x7f0c28002000, new_trie=<value optimized out>,
new_seqtree=<value optimized out>, new_dhandle=0x7f0c28022a00, new_bhandle=<value optimized out>, got_lock=false,
new_idtree=0x0) at /root/forestdb/src/forestdb.cc:3871
#6 0x00007f0c45cc8e8f in _fdb_compact_file (handle=0x7f0c280008f0, new_file=0x7f0c28002000, new_bhandle=0x7f0c28022990,
new_dhandle=0x7f0c28022a00, new_trie=0x7f0c28023c10, new_seqtrie=0x7f0c28023d20, new_seqtree=0x0)
at /root/forestdb/src/forestdb.cc:4392
#7 0x00007f0c45cca649 in fdb_compact_file (fhandle=<value optimized out>, new_filename=<value optimized out>,
in_place_compaction=<value optimized out>) at /root/forestdb/src/forestdb.cc:4303
#8 0x00007f0c45cca7c4 in fdb_compact (fhandle=0x7f0c280008c0, new_filename=<value optimized out>)
at /root/forestdb/src/forestdb.cc:4463
--Type <return> to continue, or q <return> to quit--
#9 0x00000000004034ab in compactor (arg=0x7f0c38008e50) at forestdb_workload.cc:525
#10 0x0000003b3ba079d1 in start_thread () from /lib64/libpthread.so.0
#11 0x0000003b3b6e89dd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f0c45a8d720 (LWP 30131)):
#0 0x0000003b3ba0822d in pthread_join () from /lib64/libpthread.so.0
#1 0x0000000000403a8c in do_incremental_load (num_wthreads=1, num_rthreads=2) at forestdb_workload.cc:594
#2 0x0000000000403eba in main (argc=1, args=0x7fffaeb766f8) at forestdb_workload.cc:647