---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-542 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.94 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 25G 131G 16% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 870 13641 4 17580 30754 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:e2:bf:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.151/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83787sec preferred_lft 83787sec inet6 fe80::f816:3eff:fee2:bf93/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:70:3c:67:94:05 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::1870:3cff:fe67:9405/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-542) 03/30/26 _x86_64_ (8 CPU) 06:18:16 LINUX RESTART (8 CPU) 06:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:08 650.26 2.03 629.63 18.60 137.91 68378.80 91643.11 06:40:32 35.81 0.32 33.52 1.96 6.83 3008.29 3740.93 06:50:02 20.70 0.31 18.61 1.78 4.89 3555.77 5252.80 07:00:09 19.96 0.04 17.72 2.20 1.25 3192.18 13763.83 Average: 181.98 0.67 175.16 6.15 37.76 19543.23 28631.85 06:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:08 5622368 24343796 7818744 23.79 581896 17297472 12126652 35.76 4492976 19163624 1720 06:40:32 821560 20148872 11932688 36.31 589484 17934824 17785276 52.45 4884616 23475632 12056 06:50:02 318352 19509316 12526432 38.12 573824 17850716 18704176 55.16 4848632 23994072 12744 07:00:09 2897632 21766160 10336828 31.45 572460 17470092 16026532 47.26 4830432 21441376 20096 Average: 2414978 21442036 10653673 32.42 579416 17638276 16160659 47.66 4764164 22018676 11654 06:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:08 lo 0.90 0.90 0.14 0.14 0.00 0.00 0.00 0.00 06:30:08 ens3 509.72 317.37 3963.42 96.14 0.00 0.00 0.00 0.00 06:30:08 docker0 23.88 41.10 1.39 772.85 0.00 0.00 0.00 0.00 06:30:08 br-27d72d0ebea9 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 06:30:08 veth90dcbbd 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:30:08 vethfc1c2e0 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:30:08 vetha8edc20 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:30:08 veth34450eb 1.72 1.59 1.16 0.20 0.00 0.00 0.00 0.00 06:30:08 veth7a3dd5a 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 06:30:08 veth5c05837 1.48 1.68 0.20 1.16 0.00 0.00 0.00 0.00 06:40:32 lo 7.86 7.86 19.83 19.83 0.00 0.00 0.00 0.00 06:40:32 ens3 5.88 4.44 11.30 1.66 0.00 0.00 0.00 0.00 06:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:32 br-27d72d0ebea9 6.71 7.83 3.52 26.45 0.00 0.00 0.00 0.00 06:40:32 veth90dcbbd 0.09 0.12 0.01 0.03 0.00 0.00 0.00 0.00 06:40:32 vethfc1c2e0 3.54 3.04 25.40 6.99 0.00 0.00 0.00 0.00 06:40:32 vetha8edc20 5.12 5.51 59.96 25.49 0.00 0.00 0.00 0.00 06:40:32 veth34450eb 95.91 101.94 52.90 47.05 0.00 0.00 0.00 0.00 06:40:32 veth7a3dd5a 9.45 10.61 2.49 85.92 0.00 0.00 0.00 0.01 06:40:32 vethf1e6e7e 81.71 76.89 59.10 37.51 0.00 0.00 0.00 0.00 06:40:32 veth4b5afbb 21.69 19.78 8.53 15.73 0.00 0.00 0.00 0.00 06:50:02 lo 36.05 36.05 157.17 157.17 0.00 0.00 0.00 0.00 06:50:02 ens3 8.03 6.92 22.22 2.34 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 br-27d72d0ebea9 26.15 28.78 29.07 150.76 0.00 0.00 0.00 0.00 06:50:02 veth90dcbbd 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 vethfc1c2e0 14.86 12.94 116.74 52.82 0.00 0.00 0.00 0.01 06:50:02 vetha8edc20 19.45 21.46 192.38 116.72 0.00 0.00 0.00 0.02 06:50:02 veth34450eb 75.93 82.91 56.71 31.25 0.00 0.00 0.00 0.00 06:50:02 veth7a3dd5a 37.22 39.90 30.55 340.81 0.00 0.00 0.00 0.03 06:50:02 vethf1e6e7e 38.99 36.15 60.67 18.47 0.00 0.00 0.00 0.00 06:50:02 veth4b5afbb 51.04 46.77 22.90 41.22 0.00 0.00 0.00 0.00 07:00:09 lo 27.64 27.64 117.27 117.27 0.00 0.00 0.00 0.00 07:00:09 ens3 7.03 5.71 17.81 1.76 0.00 0.00 0.00 0.00 07:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:09 br-27d72d0ebea9 25.08 25.77 26.74 108.61 0.00 0.00 0.00 0.00 07:00:09 veth90dcbbd 0.13 0.12 0.02 0.04 0.00 0.00 0.00 0.00 07:00:09 vethfc1c2e0 13.89 12.25 130.61 68.36 0.00 0.00 0.00 0.01 07:00:09 vetha8edc20 18.30 20.28 189.67 130.66 0.00 0.00 0.00 0.02 07:00:09 veth34450eb 54.01 58.74 29.69 15.76 0.00 0.00 0.00 0.00 07:00:09 veth7a3dd5a 35.25 36.03 27.27 296.53 0.00 0.00 0.00 0.02 07:00:09 vethf1e6e7e 36.76 33.89 74.28 17.87 0.00 0.00 0.00 0.01 07:00:09 veth4b5afbb 29.04 26.78 10.00 13.83 0.00 0.00 0.00 0.00 Average: lo 17.80 17.80 72.10 72.10 0.00 0.00 0.00 0.00 Average: ens3 132.76 83.66 1004.53 25.49 0.00 0.00 0.00 0.00 Average: docker0 5.98 10.28 0.35 193.40 0.00 0.00 0.00 0.00 Average: br-27d72d0ebea9 14.33 15.42 14.57 70.08 0.00 0.00 0.00 0.00 Average: veth90dcbbd 0.07 0.09 0.01 0.02 0.00 0.00 0.00 0.00 Average: vethfc1c2e0 7.96 6.98 67.30 31.63 0.00 0.00 0.00 0.01 Average: vetha8edc20 10.58 11.67 109.15 67.34 0.00 0.00 0.00 0.01 Average: veth34450eb 57.01 61.39 34.99 23.67 0.00 0.00 0.00 0.00 Average: veth7a3dd5a 20.20 21.34 14.78 178.10 0.00 0.00 0.00 0.01 Average: vethf1e6e7e 39.77 37.12 48.52 18.64 0.00 0.00 0.00 0.00 Average: veth4b5afbb 25.08 23.00 10.17 17.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-542) 03/30/26 _x86_64_ (8 CPU) 06:18:16 LINUX RESTART (8 CPU) 06:20:07 CPU %user %nice %system %iowait %steal %idle 06:30:08 all 34.86 0.01 4.95 1.58 0.10 58.48 06:30:08 0 34.04 0.00 4.67 1.62 0.11 59.55 06:30:08 1 37.06 0.01 5.06 1.73 0.10 56.04 06:30:08 2 38.02 0.01 4.47 1.47 0.11 55.93 06:30:08 3 33.55 0.02 4.93 1.34 0.10 60.07 06:30:08 4 34.39 0.02 5.26 1.71 0.10 58.52 06:30:08 5 36.47 0.02 5.70 2.04 0.10 55.66 06:30:08 6 34.78 0.01 4.95 1.37 0.10 58.80 06:30:08 7 30.61 0.02 4.58 1.38 0.10 63.31 06:40:32 all 10.28 0.01 1.24 0.11 0.07 88.28 06:40:32 0 9.60 0.00 1.20 0.05 0.06 89.08 06:40:32 1 10.65 0.01 1.32 0.05 0.07 87.89 06:40:32 2 10.25 0.02 1.31 0.31 0.08 88.03 06:40:32 3 10.18 0.01 1.22 0.07 0.07 88.44 06:40:32 4 10.65 0.00 1.32 0.19 0.07 87.76 06:40:32 5 10.54 0.01 1.19 0.05 0.07 88.13 06:40:32 6 10.63 0.01 1.23 0.08 0.07 87.98 06:40:32 7 9.76 0.00 1.14 0.09 0.07 88.94 06:50:02 all 9.42 0.00 2.06 0.10 0.09 88.32 06:50:02 0 10.16 0.00 2.17 0.08 0.09 87.49 06:50:02 1 10.00 0.01 2.17 0.07 0.09 87.65 06:50:02 2 9.99 0.01 2.20 0.07 0.10 87.63 06:50:02 3 9.30 0.00 2.10 0.13 0.10 88.38 06:50:02 4 9.02 0.00 1.91 0.07 0.09 88.92 06:50:02 5 9.41 0.01 2.05 0.26 0.09 88.18 06:50:02 6 7.82 0.01 1.76 0.06 0.09 90.27 06:50:02 7 9.67 0.01 2.11 0.05 0.09 88.08 07:00:09 all 7.47 0.00 1.81 0.74 0.10 89.88 07:00:09 0 7.63 0.00 1.93 0.41 0.10 89.92 07:00:09 1 7.13 0.00 1.84 0.24 0.10 90.68 07:00:09 2 8.53 0.01 1.97 1.91 0.10 87.48 07:00:09 3 8.21 0.00 1.78 0.76 0.10 89.14 07:00:09 4 7.01 0.01 1.76 1.24 0.09 89.89 07:00:09 5 7.14 0.00 1.78 0.67 0.09 90.32 07:00:09 6 6.91 0.00 1.72 0.29 0.10 90.98 07:00:09 7 7.24 0.00 1.68 0.36 0.09 90.63 Average: all 15.51 0.01 2.50 0.63 0.09 81.26 Average: 0 15.35 0.00 2.48 0.54 0.09 81.54 Average: 1 16.21 0.01 2.59 0.52 0.09 80.58 Average: 2 16.69 0.01 2.48 0.95 0.10 79.78 Average: 3 15.30 0.01 2.50 0.58 0.09 81.52 Average: 4 15.27 0.01 2.55 0.81 0.09 81.27 Average: 5 15.88 0.01 2.67 0.75 0.09 80.60 Average: 6 15.05 0.01 2.41 0.45 0.09 81.99 Average: 7 14.30 0.01 2.36 0.47 0.09 82.77