Only include the checkpoint timestamp during checkpoints

[1530270076:82263][12377:0x7f7303fff700], t, WT_SESSION.compact: compaction halted by eviction pressure: Device or resource busy

[1530270102:547770][12377:0x7f7303fff700], t, WT_SESSION.compact: compaction halted by eviction pressure: Device or resource busy

[1530270233:24652][12377:0x7f7303fff700], t, WT_SESSION.compact: compaction halted by eviction pressure: Device or resource busy

[1530270256:478012][12377:0x7f7303fff700], t, WT_SESSION.compact: compaction halted by eviction pressure: Device or resource busy

[1530270293:650645][12377:0x7f732a583700], t, file:wt.wt, eviction-server: __evict_review, 680: __wt_page_is_modified(page) || __wt_txn_visible_all(session, page->modify->rec_max_txn, WT_TIMESTAMP_NULL(&page->modify->rec_max_timestamp))

[1530270293:650672][12377:0x7f732a583700], t, file:wt.wt, eviction-server: aborting WiredTiger library

t: process 12377

[1530270293:650681][12377:0x7f7322ffd700], t, file:wt.wt, WT_CURSOR.search: __evict_review, 680: __wt_page_is_modified(page) || __wt_txn_visible_all(session, page->modify->rec_max_txn, WT_TIMESTAMP_NULL(&page->modify->rec_max_timestamp))

[1530270293:650697][12377:0x7f7322ffd700], t, file:wt.wt, WT_CURSOR.search: aborting WiredTiger library

[1530270293:650725][12377:0x7f73237fe700], t, file:wt.wt, WT_CURSOR.insert: __evict_review, 680: __wt_page_is_modified(page) || __wt_txn_visible_all(session, page->modify->rec_max_txn, WT_TIMESTAMP_NULL(&page->modify->rec_max_timestamp))

[1530270293:650740][12377:0x7f73237fe700], t, file:wt.wt, WT_CURSOR.insert: aborting WiredTiger library

[1530270293:650847][12377:0x7f7323fff700], t, file:wt.wt, WT_SESSION.commit_transaction: __evict_review, 680: __wt_page_is_modified(page) || __wt_txn_visible_all(session, page->modify->rec_max_txn, WT_TIMESTAMP_NULL(&page->modify->rec_max_timestamp))

[1530270293:650863][12377:0x7f7323fff700], t, file:wt.wt, WT_SESSION.commit_transaction: aborting WiredTiger library

############################################

#  RUN PARAMETERS

############################################

abort=0

alter=0

auto_throttle=0

backups=0

bitcnt=5

bloom=1

bloom_bit_count=26

bloom_hash_count=18

bloom_oldest=0

cache=20

cache_minimum=20

checkpoints=on

checkpoint_log_size=126

checkpoint_wait=15

checksum=uncompressed

chunk_size=4

compaction=1

compression=snappy

data_extend=0

data_source=table

delete_pct=80

dictionary=0

direct_io=0

encryption=none

evict_max=2

file_type=row-store

firstfit=0

huffman_key=0

huffman_value=0

independent_thread_rng=1

in_memory=0

insert_pct=18

internal_key_truncation=1

internal_page_max=9

isolation=snapshot

key_gap=12

key_max=113

key_min=18

leaf_page_max=17

leak_memory=0

logging=0

logging_archive=0

logging_compression=none

logging_file_max=283393

logging_prealloc=1

long_running_txn=0

lsm_worker_threads=4

merge_max=20

mmap=1

modify_pct=0

ops=0

prefix_compression=1

prefix_compression_min=2

prepare=1

quiet=1

read_pct=2

rebalance=1

repeat_data_pct=51

reverse=0

rows=1000000

runs=1

salvage=1

split_pct=71

statistics=0

statistics_server=0

threads=7

timer=4

timing_stress_checkpoint=0

timing_stress_lookaside_sweep=0

timing_stress_split_1=0

timing_stress_split_2=0

timing_stress_split_3=0

timing_stress_split_4=0

timing_stress_split_5=0

timing_stress_split_6=0

timing_stress_split_7=0

timing_stress_split_8=0

transaction_timestamps=1

transaction-frequency=46

truncate=1

value_max=1985

value_min=16

verify=1

wiredtiger_config=

write_pct=0

############################################