bryancall commented on pull request #7576:
URL: https://github.com/apache/trafficserver/pull/7576#issuecomment-808607636
This is a benchmark without this patch:
```
**http2load**
finished in 39.84s, 150593.28 req/s, 2.30GB/s
requests: 6000000 total, 6000000 started, 6000000 done, 6000000 succeeded, 0
failed, 0 errored, 0 timeout
status codes: 6000000 2xx, 0 3xx, 0 4xx, 0 5xx
traffic: 91.75GB (98514116221) total, 45.88MB (48110201) headers (space
savings 96.66%), 91.55GB (98304000000) data
min max mean sd +/- sd
time for request: 83us 141.08ms 1.49ms 3.72ms 97.67%
time for connect: 12.27ms 104.40ms 64.96ms 32.66ms 53.00%
time to 1st byte: 45.25ms 144.74ms 89.74ms 29.68ms 57.50%
req/s : 717.27 891.58 773.08 61.00 70.00%
**dstat**
You did not select any stats, using -cdngy by default.
----total-cpu-usage---- -dsk/total- ---net/lo-- -net/total- ---paging--
---system--
usr sys idl wai hiq siq| read writ| recv send: recv send| in out | int
csw
1 0 99 0 0 0|2815B 243k| 0 0 : 0 0 | 0 0 |
21k 60k
40 10 48 0 0 1| 156k 10M|1371M 1371M:2936B 5027B| 0 0 |
761k 611k
20 20 59 0 0 1| 0 2361k|2633M 2633M:1438B 876B| 0 0 |
779k 1064k
16 22 61 0 0 1| 0 48M|2778M 2778M:4512B 2669B| 0 0 |
766k 1099k
**perf report**
# Total Lost Samples: 0
#
# Samples: 11M of event 'cycles'
# Event count (approx.): 7473451538675
#
# Overhead Shared Object Symbol
# .......... ....................
..................................................
#
25.24% [kernel.vmlinux] [k] native_queued_spin_lock_slowpath
22.04% traffic_server [.] LogObject::_checkout_write
<------------
2.43% [kernel.vmlinux] [k] copy_user_generic_string
1.62% [kernel.vmlinux] [k] acpi_processor_ffh_cstate_enter
1.44% libc-2.17.so [.] __memcpy_ssse3
1.41% libcrypto.so.1.1 [.] _aesni_ctr32_ghash_6x
1.19% libtscore.so.9.0.1 [.] malloc_new
0.83% libtscore.so.9.0.1 [.] malloc_free
0.68% libpthread-2.17.so [.] pthread_mutex_lock
0.65% libtscore.so.9.0.1 [.] ink_freelist_new
0.63% libc-2.17.so [.] _int_malloc
0.55% [kernel.vmlinux] [k] futex_wait_setup
0.53% [kernel.vmlinux] [k] try_to_wake_up
0.53% [kernel.vmlinux] [k] __switch_to
0.51% traffic_server [.] HpackIndexingTable::lookup
```
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