---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3980 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 26G 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 866 15227 4 15997 30756 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:e2:6c:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.40/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83643sec preferred_lft 83643sec inet6 fe80::f816:3eff:fee2:6c97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:ac:4d:31:8a:32 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::24ac:4dff:fe31:8a32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3980) 09/21/26 _x86_64_ (8 CPU) 20:21:13 LINUX RESTART (8 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:23 137.51 0.36 130.66 6.49 15.69 29076.33 172050.99 20:50:01 28.64 0.48 26.19 1.98 11.35 4431.18 26418.52 21:00:21 10.09 0.09 9.59 0.42 1.34 1508.69 5690.55 Average: 59.48 0.30 56.19 2.99 9.42 11847.93 69066.56 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:23 264728 20204572 11946420 36.35 570244 18482504 18142680 53.50 4777832 24129472 704 20:50:01 391772 17406932 14461116 44.00 561228 15884516 22220924 65.53 4383336 24388716 14360 21:00:21 353104 17140684 14780596 44.98 560300 15607700 22511788 66.38 4287492 24522804 11956 Average: 336535 18250729 13729377 41.78 563924 16658240 20958464 61.80 4482887 24346997 9007 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:23 lo 0.46 0.46 0.03 0.03 0.00 0.00 0.00 0.00 20:40:23 ens3 108.22 66.27 1686.25 13.36 0.00 0.00 0.00 0.00 20:40:23 docker0 14.54 25.90 0.80 338.67 0.00 0.00 0.00 0.00 20:40:23 br-1c3100b4b552 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 20:40:23 veth7e98c46 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 20:40:23 veth7c7a17c 63.83 67.64 27.66 34.13 0.00 0.00 0.00 0.00 20:40:23 veth5c3dae1 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 20:40:23 vethe69bb7c 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 20:40:23 veth58707b3 0.45 0.41 0.05 0.25 0.00 0.00 0.00 0.00 20:40:23 vethf750f13 63.59 59.29 46.08 24.60 0.00 0.00 0.00 0.00 20:40:23 vethc6e05ef 0.94 1.72 1.15 12.89 0.00 0.00 0.00 0.00 20:40:23 veth7786089 2.06 1.62 0.28 1.59 0.00 0.00 0.00 0.00 20:50:01 lo 26.75 26.75 102.76 102.76 0.00 0.00 0.00 0.00 20:50:01 ens3 5.61 5.17 6.33 1.60 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 br-1c3100b4b552 19.51 22.28 18.79 90.18 0.00 0.00 0.00 0.00 20:50:01 veth7e98c46 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 20:50:01 veth7c7a17c 75.15 82.33 57.90 30.51 0.00 0.00 0.00 0.00 20:50:01 veth5c3dae1 18.10 17.92 186.90 49.32 0.00 0.00 0.00 0.02 20:50:01 vethe69bb7c 29.45 32.25 18.36 275.22 0.00 0.00 0.00 0.02 20:50:01 veth58707b3 10.67 10.74 49.07 24.58 0.00 0.00 0.00 0.00 20:50:01 vethf750f13 36.85 33.90 35.10 21.35 0.00 0.00 0.00 0.00 20:50:01 veth7786089 51.09 47.02 21.40 38.85 0.00 0.00 0.00 0.00 21:00:21 lo 32.91 32.91 156.38 156.38 0.00 0.00 0.00 0.00 21:00:21 ens3 1.79 1.58 3.58 0.60 0.00 0.00 0.00 0.00 21:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:21 br-1c3100b4b552 24.90 25.94 32.45 128.54 0.00 0.00 0.00 0.00 21:00:21 veth7e98c46 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:21 veth7c7a17c 57.76 64.43 48.60 21.95 0.00 0.00 0.00 0.00 21:00:21 veth5c3dae1 7.71 6.77 22.15 4.84 0.00 0.00 0.00 0.00 21:00:21 vethe69bb7c 28.43 29.45 32.89 149.41 0.00 0.00 0.00 0.01 21:00:21 veth58707b3 6.44 7.15 5.23 21.89 0.00 0.00 0.00 0.00 21:00:21 vethf750f13 38.95 35.92 30.74 23.81 0.00 0.00 0.00 0.00 21:00:21 veth7786089 30.41 27.04 13.37 26.83 0.00 0.00 0.00 0.00 Average: lo 19.87 19.87 85.97 85.97 0.00 0.00 0.00 0.00 Average: ens3 39.34 24.80 578.85 5.27 0.00 0.00 0.00 0.00 Average: docker0 4.96 8.84 0.27 115.61 0.00 0.00 0.00 0.00 Average: br-1c3100b4b552 14.79 16.01 17.04 72.48 0.00 0.00 0.00 0.00 Average: veth7e98c46 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7c7a17c 65.36 71.21 44.40 28.83 0.00 0.00 0.00 0.00 Average: veth5c3dae1 8.39 8.04 66.94 17.33 0.00 0.00 0.00 0.01 Average: vethe69bb7c 19.06 20.32 17.04 138.39 0.00 0.00 0.00 0.01 Average: veth58707b3 5.74 5.99 17.40 15.36 0.00 0.00 0.00 0.00 Average: vethf750f13 46.69 43.25 37.36 23.30 0.00 0.00 0.00 0.00 Average: veth7786089 27.30 24.71 11.45 22.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-8c-8g-3980) 09/21/26 _x86_64_ (8 CPU) 20:21:13 LINUX RESTART (8 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:23 all 11.54 0.03 2.65 0.62 0.01 85.15 20:40:23 0 11.10 0.02 2.93 0.63 0.01 85.32 20:40:23 1 11.54 0.02 2.82 1.12 0.01 84.48 20:40:23 2 11.11 0.02 2.54 0.64 0.01 85.68 20:40:23 3 11.60 0.03 2.49 0.83 0.01 85.04 20:40:23 4 11.38 0.02 2.60 0.34 0.01 85.65 20:40:23 5 12.30 0.04 2.66 0.47 0.01 84.53 20:40:23 6 11.40 0.03 2.68 0.65 0.01 85.23 20:40:23 7 11.91 0.03 2.49 0.32 0.01 85.25 20:50:01 all 10.63 0.01 2.60 0.16 0.01 86.59 20:50:01 0 10.94 0.01 3.35 0.18 0.01 85.51 20:50:01 1 9.91 0.01 3.03 0.11 0.01 86.91 20:50:01 2 11.21 0.00 2.52 0.12 0.01 86.15 20:50:01 3 9.85 0.00 2.42 0.21 0.01 87.50 20:50:01 4 11.24 0.01 2.45 0.15 0.01 86.14 20:50:01 5 11.21 0.01 2.47 0.14 0.02 86.15 20:50:01 6 10.49 0.01 2.34 0.21 0.01 86.93 20:50:01 7 10.22 0.01 2.20 0.13 0.01 87.43 21:00:21 all 8.14 0.00 2.42 0.05 0.02 89.38 21:00:21 0 8.61 0.00 3.28 0.03 0.01 88.07 21:00:21 1 8.25 0.00 2.68 0.03 0.01 89.03 21:00:21 2 7.18 0.00 2.15 0.03 0.01 90.62 21:00:21 3 8.33 0.00 2.22 0.01 0.02 89.43 21:00:21 4 8.47 0.00 2.39 0.02 0.02 89.10 21:00:21 5 8.07 0.00 2.10 0.18 0.01 89.64 21:00:21 6 8.42 0.00 2.36 0.05 0.01 89.15 21:00:21 7 7.77 0.00 2.20 0.03 0.01 89.99 Average: all 10.09 0.01 2.56 0.28 0.01 87.05 Average: 0 10.20 0.01 3.18 0.28 0.01 86.32 Average: 1 9.90 0.01 2.84 0.43 0.01 86.81 Average: 2 9.80 0.01 2.40 0.27 0.01 87.51 Average: 3 9.93 0.01 2.37 0.35 0.01 87.32 Average: 4 10.34 0.01 2.48 0.17 0.01 86.98 Average: 5 10.51 0.02 2.41 0.27 0.01 86.78 Average: 6 10.10 0.01 2.46 0.31 0.01 87.11 Average: 7 9.96 0.01 2.30 0.16 0.01 87.55