---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-3746 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 573 11168 0 4297 15137 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:77:55:32 brd ff:ff:ff:ff:ff:ff inet 10.30.106.162/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85987sec preferred_lft 85987sec inet6 fe80::f816:3eff:fe77:5532/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-3746) 10/19/25 _x86_64_ (4 CPU) 13:02:24 LINUX RESTART (4 CPU) 13:03:01 tps rtps wtps bread/s bwrtn/s 13:04:01 189.15 33.94 155.21 1809.70 37178.07 13:05:01 74.40 14.86 59.54 842.79 11485.69 13:06:01 24.15 0.13 24.01 1.33 2855.26 13:07:01 26.91 0.07 26.85 1.60 4134.64 13:08:01 40.61 0.18 40.43 3.07 19970.94 13:09:01 48.17 3.32 44.85 308.70 48173.41 Average: 67.23 8.75 58.48 494.53 20633.77 13:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:04:01 13345700 15253952 3079268 18.75 76728 2019328 998600 5.71 991876 1845964 107472 13:05:01 11558196 13713212 4866772 29.63 81696 2254368 2462412 14.09 2636468 1970884 12128 13:06:01 11561412 13852912 4863556 29.61 85372 2382964 2299408 13.16 2515952 2081904 65996 13:07:01 11487412 13833896 4937556 30.06 90320 2429664 2299408 13.16 2538536 2125588 3752 13:08:01 11349848 15237924 5075120 30.90 94164 3924352 1172116 6.71 1430908 3327672 1267220 13:09:01 11422796 15487884 5002172 30.45 97360 4093584 818360 4.68 1241264 3439788 34064 Average: 11787561 14563297 4637407 28.23 87607 2850710 1675051 9.59 1892501 2465300 248439 13:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:04:01 ens3 396.78 314.40 4014.38 55.06 0.00 0.00 0.00 0.00 13:04:01 lo 0.60 0.60 0.07 0.07 0.00 0.00 0.00 0.00 13:05:01 ens3 1202.90 707.23 3470.91 247.41 0.00 0.00 0.00 0.00 13:05:01 lo 2.60 2.60 8.76 8.76 0.00 0.00 0.00 0.00 13:06:01 ens3 1142.64 739.88 1027.52 254.62 0.00 0.00 0.00 0.00 13:06:01 lo 4.33 4.33 17.19 17.19 0.00 0.00 0.00 0.00 13:07:01 ens3 104.05 73.24 601.76 15.09 0.00 0.00 0.00 0.00 13:07:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 13:08:01 ens3 428.58 253.12 3837.75 54.79 0.00 0.00 0.00 0.00 13:08:01 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 13:09:01 ens3 853.15 505.53 2612.89 166.45 0.00 0.00 0.00 0.00 13:09:01 lo 0.87 0.87 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 688.02 432.24 2594.20 132.24 0.00 0.00 0.00 0.00 Average: lo 1.65 1.65 4.38 4.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-3746) 10/19/25 _x86_64_ (4 CPU) 13:02:24 LINUX RESTART (4 CPU) 13:03:01 CPU %user %nice %system %iowait %steal %idle 13:04:01 all 26.75 0.00 1.84 4.12 0.06 67.23 13:04:01 0 17.94 0.00 1.40 1.65 0.05 78.96 13:04:01 1 18.94 0.00 1.37 2.27 0.05 77.38 13:04:01 2 52.06 0.00 3.01 2.46 0.08 42.38 13:04:01 3 18.06 0.00 1.59 10.17 0.10 70.07 13:05:01 all 66.31 0.00 2.88 0.50 0.10 30.20 13:05:01 0 60.37 0.00 3.03 1.02 0.10 35.47 13:05:01 1 72.69 0.00 2.54 0.33 0.10 24.34 13:05:01 2 66.52 0.00 3.45 0.23 0.12 29.68 13:05:01 3 65.67 0.00 2.52 0.37 0.08 31.36 13:06:01 all 37.22 0.00 2.85 0.05 0.07 59.81 13:06:01 0 36.63 0.00 3.03 0.13 0.07 60.14 13:06:01 1 38.60 0.00 1.90 0.00 0.07 59.43 13:06:01 2 42.43 0.00 3.18 0.00 0.07 54.32 13:06:01 3 31.25 0.00 3.29 0.05 0.08 65.33 13:07:01 all 6.83 0.00 0.42 0.05 0.06 92.64 13:07:01 0 4.14 0.00 0.35 0.03 0.07 95.41 13:07:01 1 10.47 0.00 0.47 0.02 0.07 88.98 13:07:01 2 5.64 0.00 0.47 0.02 0.05 93.83 13:07:01 3 7.08 0.00 0.42 0.13 0.07 92.31 13:08:01 all 24.99 0.00 1.45 0.60 0.06 72.90 13:08:01 0 30.68 0.00 2.09 0.23 0.07 66.93 13:08:01 1 24.08 0.00 1.25 0.87 0.07 73.73 13:08:01 2 21.88 0.00 0.88 0.17 0.07 77.01 13:08:01 3 23.33 0.00 1.56 1.10 0.05 73.95 13:09:01 all 37.70 0.00 1.79 1.88 0.10 58.53 13:09:01 0 28.56 0.00 2.18 5.24 0.12 63.91 13:09:01 1 43.49 0.00 1.95 0.92 0.10 53.53 13:09:01 2 49.94 0.00 1.70 0.40 0.08 47.87 13:09:01 3 28.74 0.00 1.30 1.00 0.12 68.84 Average: all 33.28 0.00 1.87 1.20 0.08 63.57 Average: 0 29.70 0.00 2.01 1.38 0.08 66.83 Average: 1 34.69 0.00 1.58 0.73 0.08 62.92 Average: 2 39.72 0.00 2.11 0.55 0.08 57.54 Average: 3 29.01 0.00 1.78 2.13 0.08 67.00