Creating 10-20 new eviction threads per second

Breakpoint 1, __pthread_create_2_1 (newthread=0x2bd6250, attr=attr@entry=0x0, start_routine=start_routine@entry=0x13d4cd0 <__evict_worker>, arg=0x2bd6240) at pthread_create.c:466

466	in pthread_create.c

(gdb) bt

#0  __pthread_create_2_1 (newthread=0x2bd6250, attr=attr@entry=0x0, start_routine=start_routine@entry=0x13d4cd0 <__evict_worker>, arg=0x2bd6240) at pthread_create.c:466

#1  0x00000000013efd34 in __wt_thread_create (session=session@entry=0x2f00300, tidret=<optimized out>, func=func@entry=0x13d4cd0 <__evict_worker>, arg=<optimized out>)

    at src/third_party/wiredtiger/src/os_posix/os_thread.c:22

#2  0x00000000013d51c1 in __evict_pass (session=0x2f00300) at src/third_party/wiredtiger/src/evict/evict_lru.c:518

#3  __evict_server (arg=0x2f00300) at src/third_party/wiredtiger/src/evict/evict_lru.c:170

#4  0x00007fdd81528182 in start_thread (arg=0x7fdd80690700) at pthread_create.c:312

#5  0x00007fdd8125547d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111