---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3034 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 857 12545 4 18689 30767 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:3a:8a:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.87/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84184sec preferred_lft 84184sec inet6 fe80::f816:3eff:fe3a:8aad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:ea:60:d5:25:9f 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::ea:60ff:fed5:259f/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-3034) 03/19/26 _x86_64_ (8 CPU) 09:09:55 LINUX RESTART (8 CPU) 09:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:02 451.28 12.88 413.19 25.20 1636.36 59121.45 523592.43 09:30:03 269.35 0.42 259.56 9.37 17.42 29623.79 42755.57 09:40:03 8.95 0.13 8.53 0.30 5.21 388.24 3848.47 Average: 243.54 4.49 227.41 11.65 554.60 29759.24 190564.48 09:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:02 14708516 27172672 5073500 15.44 385760 11673756 5121568 15.10 2968952 13990920 512 09:30:03 2501960 21679196 10475384 31.88 590340 17725932 16683476 49.20 4705096 21995756 348 09:40:03 525904 19781880 12370736 37.64 591708 17797564 17775308 52.42 4764588 23908980 628 Average: 5912127 22877916 9306540 28.32 522603 15732417 13193451 38.91 4146212 19965219 496 09:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:02 lo 0.67 0.67 0.10 0.10 0.00 0.00 0.00 0.00 09:20:02 ens3 429.11 247.42 2692.25 75.55 0.00 0.00 0.00 0.00 09:20:02 docker0 8.87 19.80 0.55 469.99 0.00 0.00 0.00 0.00 09:30:03 lo 0.67 0.67 0.10 0.10 0.00 0.00 0.00 0.00 09:30:03 ens3 139.98 94.05 1985.13 22.67 0.00 0.00 0.00 0.00 09:30:03 docker0 13.46 18.98 0.77 301.44 0.00 0.00 0.00 0.00 09:30:03 br-ed3913cac54e 0.29 0.25 0.01 0.02 0.00 0.00 0.00 0.00 09:30:03 veth984313c 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 09:30:03 vethf529be7 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 09:30:03 veth258a564 7.19 7.09 4.71 1.35 0.00 0.00 0.00 0.00 09:30:03 veth8dfb8b4 0.03 0.13 0.00 0.01 0.00 0.00 0.00 0.00 09:30:03 vethde2129e 0.22 0.27 0.02 0.02 0.00 0.00 0.00 0.00 09:30:03 veth2890e00 1.57 1.57 0.17 1.00 0.00 0.00 0.00 0.00 09:30:03 veth5f8839c 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 veth525528a 0.82 0.71 0.11 0.83 0.00 0.00 0.00 0.00 09:40:03 lo 6.06 6.06 27.71 27.71 0.00 0.00 0.00 0.00 09:40:03 ens3 10.36 7.02 3.78 4.15 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-ed3913cac54e 3.26 3.15 26.97 0.74 0.00 0.00 0.00 0.00 09:40:03 veth984313c 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 09:40:03 vethf529be7 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 veth258a564 258.16 277.52 192.39 130.67 0.00 0.00 0.00 0.02 09:40:03 veth8dfb8b4 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 vethde2129e 0.46 0.27 0.07 0.43 0.00 0.00 0.00 0.00 09:40:03 veth2890e00 130.27 121.02 102.28 68.15 0.00 0.00 0.00 0.01 09:40:03 veth525528a 154.90 144.12 71.14 128.15 0.00 0.00 0.00 0.01 Average: lo 2.47 2.47 9.29 9.29 0.00 0.00 0.00 0.00 Average: ens3 193.52 116.37 1562.37 34.19 0.00 0.00 0.00 0.00 Average: docker0 7.45 12.94 0.44 257.51 0.00 0.00 0.00 0.00 Average: br-ed3913cac54e 1.18 1.13 8.98 0.25 0.00 0.00 0.00 0.00 Average: veth984313c 0.09 0.11 0.01 0.03 0.00 0.00 0.00 0.00 Average: vethf529be7 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth258a564 88.28 94.69 65.57 43.92 0.00 0.00 0.00 0.01 Average: veth8dfb8b4 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethde2129e 0.23 0.18 0.03 0.15 0.00 0.00 0.00 0.00 Average: veth2890e00 43.86 40.78 34.08 23.01 0.00 0.00 0.00 0.00 Average: veth525528a 51.81 48.18 23.70 42.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3034) 03/19/26 _x86_64_ (8 CPU) 09:09:55 LINUX RESTART (8 CPU) 09:10:00 CPU %user %nice %system %iowait %steal %idle 09:20:02 all 23.30 0.00 3.20 0.81 0.07 72.61 09:20:02 0 18.82 0.00 2.86 0.73 0.06 77.52 09:20:02 1 25.13 0.00 4.05 0.97 0.08 69.77 09:20:02 2 22.84 0.00 2.83 0.96 0.08 73.29 09:20:02 3 27.71 0.00 3.90 0.94 0.08 67.37 09:20:02 4 23.31 0.00 2.80 0.69 0.07 73.13 09:20:02 5 23.08 0.00 3.28 0.92 0.07 72.64 09:20:02 6 21.83 0.00 3.40 0.83 0.07 73.87 09:20:02 7 23.70 0.00 2.51 0.43 0.07 73.29 09:30:03 all 16.68 0.02 2.51 0.71 0.07 80.01 09:30:03 0 16.91 0.01 2.61 1.05 0.07 79.35 09:30:03 1 13.21 0.02 2.26 0.53 0.07 83.91 09:30:03 2 15.94 0.01 2.44 0.73 0.07 80.81 09:30:03 3 13.74 0.03 2.34 0.95 0.06 82.89 09:30:03 4 14.18 0.04 2.61 0.86 0.06 82.25 09:30:03 5 19.81 0.01 2.59 0.52 0.07 77.00 09:30:03 6 14.51 0.01 2.71 0.62 0.06 82.08 09:30:03 7 25.09 0.03 2.57 0.43 0.07 71.81 09:40:03 all 8.25 0.00 1.12 0.02 0.07 90.55 09:40:03 0 7.70 0.00 1.16 0.04 0.07 91.03 09:40:03 1 9.21 0.00 1.25 0.01 0.07 89.46 09:40:03 2 8.49 0.00 1.25 0.01 0.07 90.18 09:40:03 3 9.11 0.00 1.13 0.02 0.07 89.66 09:40:03 4 8.52 0.00 1.19 0.02 0.07 90.20 09:40:03 5 8.28 0.00 1.06 0.04 0.07 90.56 09:40:03 6 7.60 0.00 0.84 0.01 0.07 91.48 09:40:03 7 7.06 0.00 1.09 0.01 0.06 91.78 Average: all 16.10 0.01 2.28 0.51 0.07 81.03 Average: 0 14.50 0.00 2.21 0.61 0.07 82.60 Average: 1 15.87 0.01 2.52 0.50 0.07 81.03 Average: 2 15.79 0.00 2.18 0.57 0.07 81.40 Average: 3 16.88 0.01 2.46 0.64 0.07 79.94 Average: 4 15.36 0.01 2.20 0.53 0.07 81.83 Average: 5 17.08 0.00 2.31 0.49 0.07 80.04 Average: 6 14.66 0.01 2.32 0.49 0.07 82.47 Average: 7 18.65 0.01 2.06 0.29 0.07 78.93