---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1551 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: 5599.99 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 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 21G 134G 14% / 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 803 16521 4 14767 30820 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:67:9f:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.113/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85065sec preferred_lft 85065sec inet6 fe80::f816:3eff:fe67:9fe1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:24:34:0d:6c:93 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::2824:34ff:fe0d:6c93/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1551) 05/20/26 _x86_64_ (8 CPU) 09:18:34 LINUX RESTART (8 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:24 304.00 5.35 269.98 28.68 624.11 47668.47 521826.83 09:40:03 43.95 0.25 43.06 0.63 5.46 2609.17 2305.96 Average: 178.81 2.89 160.74 15.18 326.29 25976.32 271722.53 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:24 13850372 28181352 4043684 12.30 241472 13942784 10852768 32.00 3234716 14800096 80396 09:40:03 13211012 28030076 4188648 12.75 251512 14400740 10575172 31.18 3322020 15335936 432 Average: 13530692 28105714 4116166 12.53 246492 14171762 10713970 31.59 3278368 15068016 40414 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:24 lo 1.08 1.08 0.11 0.11 0.00 0.00 0.00 0.00 09:30:24 ens3 297.38 187.32 3946.97 44.83 0.00 0.00 0.00 0.00 09:30:24 docker0 7.76 11.72 0.60 238.89 0.00 0.00 0.00 0.00 09:30:24 br-4590c12c4be7 1.21 2.08 0.09 35.11 0.00 0.00 0.00 0.00 09:30:24 veth0579ee1 2.42 3.01 0.36 0.47 0.00 0.00 0.00 0.00 09:30:24 vethecc4d08 6.45 5.23 0.68 0.74 0.00 0.00 0.00 0.00 09:30:24 vethf0df3b8 1.43 1.53 0.17 7.57 0.00 0.00 0.00 0.00 09:30:24 veth9429ea9 0.38 0.48 0.03 0.30 0.00 0.00 0.00 0.00 09:30:24 veth272f83a 1.01 2.08 0.09 35.07 0.00 0.00 0.00 0.00 09:30:24 veth6e78c10 0.95 1.28 0.94 0.13 0.00 0.00 0.00 0.00 09:30:24 vetha238153 0.97 1.30 1.00 0.14 0.00 0.00 0.00 0.00 09:30:24 veth95e48bc 0.96 1.29 1.00 0.14 0.00 0.00 0.00 0.00 09:30:24 veth568cc09 1.15 1.48 0.93 0.15 0.00 0.00 0.00 0.00 09:30:24 veth04139bc 1.24 1.54 1.01 0.16 0.00 0.00 0.00 0.00 09:30:24 veth50a40e2 1.79 1.81 2.17 0.25 0.00 0.00 0.00 0.00 09:30:24 veth38d3c37 2.73 2.65 2.00 0.33 0.00 0.00 0.00 0.00 09:30:24 veth25f6540 3.96 6.02 0.44 139.43 0.00 0.00 0.00 0.01 09:40:03 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 09:40:03 ens3 2.62 2.12 1.24 2.21 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 br-4590c12c4be7 0.08 0.04 0.01 0.01 0.00 0.00 0.00 0.00 09:40:03 veth0579ee1 39.86 44.42 36.73 7.58 0.00 0.00 0.00 0.00 09:40:03 vethecc4d08 79.86 57.36 18.12 10.97 0.00 0.00 0.00 0.00 09:40:03 vethf0df3b8 14.73 15.02 1.60 102.10 0.00 0.00 0.00 0.01 09:40:03 veth9429ea9 6.62 6.63 6.23 8.55 0.00 0.00 0.00 0.00 09:40:03 veth272f83a 0.05 0.07 0.01 0.01 0.00 0.00 0.00 0.00 09:40:03 veth6e78c10 12.42 16.30 10.57 3.74 0.00 0.00 0.00 0.00 09:40:03 vetha238153 13.28 17.25 12.25 3.87 0.00 0.00 0.00 0.00 09:40:03 veth95e48bc 12.31 16.24 10.59 3.73 0.00 0.00 0.00 0.00 09:40:03 veth568cc09 10.93 14.44 9.74 3.00 0.00 0.00 0.00 0.00 09:40:03 veth04139bc 10.49 13.95 9.23 2.96 0.00 0.00 0.00 0.00 09:40:03 veth50a40e2 30.45 30.64 38.37 16.82 0.00 0.00 0.00 0.00 09:40:03 veth38d3c37 36.48 36.13 40.95 23.55 0.00 0.00 0.00 0.00 Average: lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 155.48 98.16 2047.44 24.31 0.00 0.00 0.00 0.00 Average: docker0 4.02 6.08 0.31 123.89 0.00 0.00 0.00 0.00 Average: br-4590c12c4be7 0.66 1.09 0.05 18.21 0.00 0.00 0.00 0.00 Average: veth0579ee1 20.44 22.94 17.87 3.89 0.00 0.00 0.00 0.00 Average: vethecc4d08 41.79 30.33 9.07 5.67 0.00 0.00 0.00 0.00 Average: vethf0df3b8 7.83 8.02 0.86 53.08 0.00 0.00 0.00 0.00 Average: veth9429ea9 3.39 3.44 3.02 4.27 0.00 0.00 0.00 0.00 Average: veth272f83a 0.55 1.11 0.05 18.19 0.00 0.00 0.00 0.00 Average: veth6e78c10 6.47 8.51 5.58 1.87 0.00 0.00 0.00 0.00 Average: vetha238153 6.90 8.98 6.41 1.93 0.00 0.00 0.00 0.00 Average: veth95e48bc 6.42 8.49 5.61 1.86 0.00 0.00 0.00 0.00 Average: veth568cc09 5.86 7.72 5.17 1.52 0.00 0.00 0.00 0.00 Average: veth04139bc 5.69 7.52 4.97 1.51 0.00 0.00 0.00 0.00 Average: veth50a40e2 15.59 15.69 19.60 8.23 0.00 0.00 0.00 0.00 Average: veth38d3c37 18.98 18.77 20.75 11.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1551) 05/20/26 _x86_64_ (8 CPU) 09:18:34 LINUX RESTART (8 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:24 all 14.28 0.00 3.13 6.76 0.15 75.68 09:30:24 0 12.93 0.00 2.95 5.91 0.15 78.06 09:30:24 1 18.17 0.00 3.32 5.44 0.17 72.91 09:30:24 2 14.97 0.00 3.27 5.90 0.16 75.70 09:30:24 3 11.42 0.00 2.79 8.40 0.15 77.23 09:30:24 4 14.69 0.00 3.34 6.72 0.13 75.12 09:30:24 5 16.93 0.00 3.85 8.90 0.17 70.15 09:30:24 6 12.65 0.00 2.79 3.40 0.12 81.04 09:30:24 7 12.48 0.00 2.71 9.41 0.13 75.26 09:40:03 all 10.11 0.00 1.40 0.35 0.10 88.04 09:40:03 0 11.48 0.00 1.74 0.22 0.10 86.46 09:40:03 1 9.63 0.00 1.44 0.24 0.11 88.58 09:40:03 2 10.57 0.00 1.56 0.25 0.10 87.53 09:40:03 3 9.24 0.00 1.26 0.24 0.10 89.15 09:40:03 4 11.18 0.00 1.37 0.05 0.11 87.28 09:40:03 5 9.25 0.00 1.27 0.22 0.10 89.16 09:40:03 6 8.72 0.00 1.21 1.15 0.09 88.82 09:40:03 7 10.77 0.00 1.38 0.41 0.11 87.32 Average: all 12.27 0.00 2.30 3.67 0.13 81.64 Average: 0 12.23 0.00 2.37 3.17 0.12 82.10 Average: 1 14.05 0.00 2.41 2.93 0.14 80.46 Average: 2 12.85 0.00 2.45 3.18 0.13 81.40 Average: 3 10.37 0.00 2.05 4.46 0.13 82.99 Average: 4 13.00 0.00 2.39 3.51 0.12 80.98 Average: 5 13.23 0.00 2.61 4.71 0.14 79.32 Average: 6 10.76 0.00 2.03 2.31 0.11 84.79 Average: 7 11.66 0.00 2.07 5.08 0.12 81.07