---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4335 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 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 886 15278 3 15927 30726 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:4d:05:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.71/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83736sec preferred_lft 83736sec inet6 fe80::f816:3eff:fe4d:5c1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:4a:f8:94:b2:4b 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::684a:f8ff:fe94:b24b/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-4335) 04/07/26 _x86_64_ (8 CPU) 08:14:10 LINUX RESTART (8 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:21 274.96 0.45 265.20 9.31 19.71 46308.06 73416.03 08:40:21 29.45 0.35 26.62 2.47 25.05 4367.68 15136.20 08:50:02 11.95 0.08 11.37 0.51 1.64 2268.43 936.36 Average: 108.33 0.30 103.84 4.19 15.66 18130.44 30621.88 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:21 921428 20139252 12015860 36.56 593564 17755860 17695796 52.18 4690420 23564796 520 08:40:21 301024 17905920 14105620 42.92 574640 16320064 20573420 60.67 4702544 24172980 12236 08:50:02 390616 17582188 14426796 43.90 573896 15918896 20866352 61.53 4633264 24156508 21276 Average: 537689 18542453 13516092 41.13 580700 16664940 19711856 58.13 4675409 23964761 11344 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:21 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 08:30:21 ens3 294.82 184.12 2268.32 57.65 0.00 0.00 0.00 0.00 08:30:21 docker0 16.41 28.32 0.95 653.94 0.00 0.00 0.00 0.00 08:30:21 br-757f09fa69b2 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:30:21 veth60c171d 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 08:30:21 vethe38c8d2 0.33 0.35 0.03 0.15 0.00 0.00 0.00 0.00 08:30:21 veth93614a5 23.85 23.70 7.13 5.83 0.00 0.00 0.00 0.00 08:30:21 veth757cb17 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 08:30:21 vethce46c89 0.02 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:30:21 vethd06700a 18.71 18.79 5.89 3.66 0.00 0.00 0.00 0.00 08:30:21 veth65fb493 0.18 0.26 0.31 1.07 0.00 0.00 0.00 0.00 08:30:21 veth601cf62 1.11 0.93 0.15 1.03 0.00 0.00 0.00 0.00 08:40:21 lo 17.21 17.21 49.90 49.90 0.00 0.00 0.00 0.00 08:40:21 ens3 13.05 10.21 32.19 2.43 0.00 0.00 0.00 0.00 08:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:21 br-757f09fa69b2 16.28 18.92 10.01 71.39 0.00 0.00 0.00 0.00 08:40:21 veth60c171d 17.94 19.81 214.29 106.76 0.00 0.00 0.00 0.02 08:40:21 vethe38c8d2 11.40 9.49 106.31 27.27 0.00 0.00 0.00 0.01 08:40:21 veth93614a5 107.00 115.87 70.95 56.24 0.00 0.00 0.00 0.01 08:40:21 veth757cb17 0.10 0.09 0.01 0.03 0.00 0.00 0.00 0.00 08:40:21 vethce46c89 26.84 29.52 10.10 284.07 0.00 0.00 0.00 0.02 08:40:21 vethd06700a 74.78 68.87 76.26 38.47 0.00 0.00 0.00 0.01 08:40:21 veth601cf62 47.61 43.98 20.42 35.32 0.00 0.00 0.00 0.00 08:50:02 lo 38.72 38.72 186.73 186.73 0.00 0.00 0.00 0.00 08:50:02 ens3 0.92 0.72 0.27 0.58 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 br-757f09fa69b2 24.80 26.18 38.32 149.42 0.00 0.00 0.00 0.00 08:50:02 veth60c171d 9.96 10.74 49.19 49.05 0.00 0.00 0.00 0.00 08:50:02 vethe38c8d2 10.08 9.31 49.57 48.68 0.00 0.00 0.00 0.00 08:50:02 veth93614a5 64.66 71.13 48.49 24.91 0.00 0.00 0.00 0.00 08:50:02 veth757cb17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 vethce46c89 29.87 31.12 38.51 196.92 0.00 0.00 0.00 0.02 08:50:02 vethd06700a 45.16 42.19 59.56 23.35 0.00 0.00 0.00 0.00 08:50:02 veth601cf62 32.72 29.35 14.55 27.71 0.00 0.00 0.00 0.00 Average: lo 18.43 18.43 76.86 76.86 0.00 0.00 0.00 0.00 Average: ens3 106.15 67.02 791.78 20.85 0.00 0.00 0.00 0.00 Average: docker0 5.65 9.75 0.33 225.15 0.00 0.00 0.00 0.00 Average: br-757f09fa69b2 13.52 14.83 15.70 71.98 0.00 0.00 0.00 0.00 Average: veth60c171d 9.20 10.11 87.26 51.40 0.00 0.00 0.00 0.01 Average: vethe38c8d2 7.16 6.28 51.42 24.84 0.00 0.00 0.00 0.00 Average: veth93614a5 64.72 69.71 41.73 28.78 0.00 0.00 0.00 0.00 Average: veth757cb17 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethce46c89 18.58 19.91 15.78 158.16 0.00 0.00 0.00 0.01 Average: vethd06700a 45.92 43.02 46.64 21.61 0.00 0.00 0.00 0.00 Average: veth601cf62 26.80 24.44 11.55 21.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-4335) 04/07/26 _x86_64_ (8 CPU) 08:14:10 LINUX RESTART (8 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:21 all 22.75 0.02 3.34 0.74 0.08 73.08 08:30:21 0 22.33 0.02 3.72 0.58 0.08 73.27 08:30:21 1 22.04 0.02 3.29 0.65 0.08 73.93 08:30:21 2 25.05 0.02 3.09 0.65 0.08 71.11 08:30:21 3 23.33 0.02 3.36 1.15 0.07 72.07 08:30:21 4 21.31 0.02 3.20 0.90 0.07 74.51 08:30:21 5 23.80 0.02 3.15 0.54 0.07 72.42 08:30:21 6 20.03 0.01 3.54 0.70 0.08 75.65 08:30:21 7 24.08 0.04 3.38 0.73 0.08 71.69 08:40:21 all 10.36 0.01 1.81 0.14 0.08 87.60 08:40:21 0 8.72 0.00 1.85 0.10 0.08 89.25 08:40:21 1 10.96 0.01 1.90 0.07 0.08 86.98 08:40:21 2 10.81 0.00 1.93 0.25 0.08 86.92 08:40:21 3 9.27 0.02 1.81 0.29 0.08 88.53 08:40:21 4 11.27 0.00 1.90 0.12 0.08 86.63 08:40:21 5 11.20 0.01 1.79 0.07 0.09 86.85 08:40:21 6 9.97 0.01 1.50 0.07 0.08 88.37 08:40:21 7 10.67 0.01 1.79 0.17 0.08 87.28 08:50:02 all 8.23 0.00 1.95 0.05 0.09 89.67 08:50:02 0 7.95 0.00 2.07 0.02 0.09 89.87 08:50:02 1 9.39 0.00 2.21 0.06 0.09 88.25 08:50:02 2 8.57 0.00 1.83 0.03 0.09 89.47 08:50:02 3 8.58 0.00 2.04 0.06 0.09 89.22 08:50:02 4 7.90 0.00 1.91 0.13 0.08 89.97 08:50:02 5 8.27 0.00 1.87 0.02 0.09 89.74 08:50:02 6 8.32 0.00 2.02 0.05 0.09 89.52 08:50:02 7 6.88 0.00 1.66 0.04 0.09 91.33 Average: all 13.94 0.01 2.38 0.32 0.08 83.27 Average: 0 13.15 0.01 2.57 0.24 0.08 83.95 Average: 1 14.27 0.01 2.48 0.27 0.09 82.89 Average: 2 14.98 0.01 2.30 0.32 0.08 82.31 Average: 3 13.89 0.01 2.42 0.51 0.08 83.09 Average: 4 13.64 0.01 2.35 0.39 0.08 83.53 Average: 5 14.59 0.01 2.29 0.21 0.08 82.81 Average: 6 12.90 0.01 2.37 0.28 0.08 84.36 Average: 7 14.07 0.02 2.30 0.32 0.08 83.22