---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-17537 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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: 5599.99 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 130G 17% / 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 824 13977 4 17290 30799 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:fe:24:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.37/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83622sec preferred_lft 83622sec inet6 fe80::f816:3eff:fefe:2490/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:12:8d:d2:f8:f7 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::9012:8dff:fed2:f8f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-17537) 09/03/26 _x86_64_ (8 CPU) 06:37:12 LINUX RESTART (8 CPU) 06:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:24 583.43 0.80 565.67 16.95 38.20 64211.09 69495.15 07:00:04 59.30 0.41 30.60 28.29 9.33 3383.46 471581.93 07:10:32 19.55 0.14 17.96 1.45 16.29 3234.71 4295.81 07:20:16 11.52 0.08 10.40 1.04 1.74 1391.31 4131.74 Average: 167.81 0.36 155.71 11.74 16.50 18018.92 134124.33 06:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:24 4823668 24367928 7791200 23.71 575836 18107340 12357268 36.44 4571716 19853660 1728 07:00:04 251548 19840732 12167444 37.03 565524 18272660 19400176 57.21 4795620 24103840 19548 07:10:32 412508 18805036 13116052 39.91 565256 17180700 20895848 61.62 4684988 24051176 10948 07:20:16 1189420 19235212 12715868 38.69 565716 16810276 20255632 59.73 4609288 23377052 23284 Average: 1669286 20562227 11447641 34.83 568083 17592744 18227231 53.75 4665403 22846432 13877 06:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:24 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 06:50:24 ens3 364.43 240.05 4180.87 81.63 0.00 0.00 0.00 0.00 06:50:24 docker0 38.47 75.59 2.46 779.53 0.00 0.00 0.00 0.00 06:50:24 br-c0a962ca2762 0.20 0.19 0.01 0.01 0.00 0.00 0.00 0.00 06:50:24 veth4aae367 0.03 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:50:24 veth56f7c2e 4.20 4.04 1.75 0.86 0.00 0.00 0.00 0.00 06:50:24 veth8f8b3ab 0.04 0.09 0.00 0.01 0.00 0.00 0.00 0.00 06:50:24 vethf484195 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 06:50:24 veth4d8b565 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 06:50:24 veth251ce26 3.94 4.15 0.85 1.75 0.00 0.00 0.00 0.00 07:00:04 lo 6.16 6.16 16.38 16.38 0.00 0.00 0.00 0.00 07:00:04 ens3 5.45 5.21 3.38 2.67 0.00 0.00 0.00 0.00 07:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:04 br-c0a962ca2762 5.09 7.01 2.79 14.59 0.00 0.00 0.00 0.00 07:00:04 veth4aae367 0.10 0.13 0.01 0.03 0.00 0.00 0.00 0.00 07:00:04 veth56f7c2e 98.39 105.60 54.92 49.06 0.00 0.00 0.00 0.00 07:00:04 veth8f8b3ab 3.23 2.96 16.12 5.61 0.00 0.00 0.00 0.00 07:00:04 vethf484195 7.62 9.63 1.98 71.98 0.00 0.00 0.00 0.01 07:00:04 veth4d8b565 4.99 5.18 57.80 16.23 0.00 0.00 0.00 0.00 07:00:04 veth10da515 86.37 80.46 60.48 39.28 0.00 0.00 0.00 0.00 07:00:04 veth5869ca3 22.78 20.80 9.02 16.35 0.00 0.00 0.00 0.00 07:10:32 lo 31.21 31.21 139.67 139.67 0.00 0.00 0.00 0.00 07:10:32 ens3 3.47 2.96 1.62 1.15 0.00 0.00 0.00 0.00 07:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:32 br-c0a962ca2762 26.22 30.31 26.04 116.35 0.00 0.00 0.00 0.00 07:10:32 veth4aae367 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 07:10:32 veth56f7c2e 63.50 69.55 44.27 24.60 0.00 0.00 0.00 0.00 07:10:32 veth8f8b3ab 9.59 10.06 32.23 25.30 0.00 0.00 0.00 0.00 07:10:32 vethf484195 34.65 38.96 26.88 241.55 0.00 0.00 0.00 0.02 07:10:32 veth4d8b565 15.40 14.61 127.01 32.19 0.00 0.00 0.00 0.01 07:10:32 veth10da515 37.21 34.58 33.53 17.32 0.00 0.00 0.00 0.00 07:10:32 veth5869ca3 37.85 34.53 16.42 29.34 0.00 0.00 0.00 0.00 07:20:16 lo 29.48 29.48 139.41 139.41 0.00 0.00 0.00 0.00 07:20:16 ens3 2.91 1.96 4.71 0.91 0.00 0.00 0.00 0.00 07:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:16 br-c0a962ca2762 27.28 31.82 30.73 114.50 0.00 0.00 0.00 0.00 07:20:16 veth4aae367 0.02 0.03 0.00 0.01 0.00 0.00 0.00 0.00 07:20:16 veth56f7c2e 54.63 60.26 40.32 18.05 0.00 0.00 0.00 0.00 07:20:16 veth8f8b3ab 6.75 7.48 10.59 27.21 0.00 0.00 0.00 0.00 07:20:16 vethf484195 31.51 36.08 30.84 164.16 0.00 0.00 0.00 0.01 07:20:16 veth4d8b565 8.98 8.13 50.92 10.31 0.00 0.00 0.00 0.00 07:20:16 veth10da515 39.74 36.85 35.11 22.86 0.00 0.00 0.00 0.00 07:20:16 veth5869ca3 25.57 22.92 10.72 19.31 0.00 0.00 0.00 0.00 Average: lo 17.09 17.09 74.83 74.83 0.00 0.00 0.00 0.00 Average: ens3 93.79 62.36 1044.56 21.52 0.00 0.00 0.00 0.00 Average: docker0 9.59 18.84 0.61 194.31 0.00 0.00 0.00 0.00 Average: br-c0a962ca2762 14.86 17.51 15.04 62.16 0.00 0.00 0.00 0.00 Average: veth4aae367 0.04 0.06 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth56f7c2e 55.03 59.71 35.29 23.02 0.00 0.00 0.00 0.00 Average: veth8f8b3ab 4.97 5.22 14.98 14.68 0.00 0.00 0.00 0.00 Average: vethf484195 18.68 21.43 15.10 121.16 0.00 0.00 0.00 0.01 Average: veth4d8b565 7.47 7.11 59.89 14.93 0.00 0.00 0.00 0.00 Average: veth10da515 40.51 37.67 32.11 19.70 0.00 0.00 0.00 0.00 Average: veth5869ca3 21.74 19.74 9.13 16.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-17537) 09/03/26 _x86_64_ (8 CPU) 06:37:12 LINUX RESTART (8 CPU) 06:40:29 CPU %user %nice %system %iowait %steal %idle 06:50:24 all 34.90 0.02 5.19 1.66 0.04 58.19 06:50:24 0 34.64 0.00 5.55 1.19 0.04 58.59 06:50:24 1 31.60 0.02 5.48 1.75 0.04 61.10 06:50:24 2 35.13 0.01 5.32 1.32 0.04 58.18 06:50:24 3 36.61 0.02 5.06 1.62 0.04 56.64 06:50:24 4 37.06 0.02 5.60 2.59 0.04 54.69 06:50:24 5 35.89 0.02 4.63 1.33 0.03 58.09 06:50:24 6 32.53 0.02 4.79 1.73 0.04 60.90 06:50:24 7 35.77 0.02 5.09 1.75 0.04 57.34 07:00:04 all 9.89 0.01 1.55 0.25 0.05 88.26 07:00:04 0 8.74 0.01 2.01 0.46 0.05 88.73 07:00:04 1 10.07 0.01 1.67 0.22 0.05 87.99 07:00:04 2 10.19 0.01 1.64 0.28 0.05 87.84 07:00:04 3 9.68 0.01 1.41 0.14 0.04 88.71 07:00:04 4 9.39 0.00 1.44 0.07 0.05 89.06 07:00:04 5 10.82 0.01 1.35 0.30 0.05 87.48 07:00:04 6 10.12 0.00 1.57 0.30 0.05 87.96 07:00:04 7 10.15 0.01 1.28 0.23 0.04 88.29 07:10:32 all 9.12 0.00 2.46 0.15 0.12 88.15 07:10:32 0 8.33 0.01 3.37 0.07 0.12 88.10 07:10:32 1 8.59 0.01 2.58 0.13 0.12 88.58 07:10:32 2 9.15 0.00 2.43 0.30 0.12 88.01 07:10:32 3 9.87 0.00 2.44 0.26 0.12 87.31 07:10:32 4 9.94 0.00 2.23 0.09 0.11 87.61 07:10:32 5 9.13 0.01 2.21 0.11 0.12 88.43 07:10:32 6 9.11 0.00 2.19 0.18 0.12 88.42 07:10:32 7 8.85 0.01 2.22 0.07 0.12 88.73 07:20:16 all 7.52 0.00 2.15 0.05 0.17 90.11 07:20:16 0 7.99 0.00 3.05 0.11 0.17 88.69 07:20:16 1 7.66 0.00 2.32 0.04 0.17 89.81 07:20:16 2 7.81 0.02 2.17 0.04 0.17 89.79 07:20:16 3 7.67 0.00 2.03 0.14 0.17 89.99 07:20:16 4 7.03 0.00 1.92 0.03 0.16 90.85 07:20:16 5 7.72 0.00 2.00 0.03 0.17 90.08 07:20:16 6 7.04 0.00 1.84 0.01 0.17 90.94 07:20:16 7 7.25 0.00 1.83 0.02 0.18 90.72 Average: all 15.34 0.01 2.84 0.53 0.09 81.20 Average: 0 14.87 0.01 3.50 0.45 0.09 81.08 Average: 1 14.44 0.01 3.02 0.53 0.09 81.91 Average: 2 15.55 0.01 2.90 0.48 0.09 80.97 Average: 3 15.94 0.01 2.74 0.54 0.09 80.67 Average: 4 15.85 0.01 2.80 0.69 0.09 80.56 Average: 5 15.87 0.01 2.55 0.44 0.09 81.03 Average: 6 14.70 0.00 2.60 0.55 0.09 82.05 Average: 7 15.47 0.01 2.61 0.52 0.09 81.30