---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2298 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: 5600.00 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 23G 133G 15% / 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 856 14528 4 16706 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:68:41:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.81/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:fe68:4162/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:4c:7e:4c:35:be 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::8c4c:7eff:fe4c:35be/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-2298) 03/05/26 _x86_64_ (8 CPU) 07:26:09 LINUX RESTART (8 CPU) 07:30:48 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:16 43.43 1.11 40.89 1.43 68.78 22681.12 23399.14 07:50:00 290.45 0.49 282.44 7.52 7.23 34448.47 28053.07 Average: 168.79 0.79 163.47 4.52 37.54 28652.80 25760.91 07:30:48 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:16 22215048 29779100 2514340 7.65 156908 7513776 2664236 7.86 2405084 7619372 59188 07:50:00 13386144 29658096 2553856 7.77 507124 14983032 2689832 7.93 4449428 13437328 158892 Average: 17800596 29718598 2534098 7.71 332016 11248404 2677034 7.89 3427256 10528350 109040 07:30:48 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:16 lo 1.58 1.58 0.97 0.97 0.00 0.00 0.00 0.00 07:40:16 ens3 70.66 56.67 985.05 11.07 0.00 0.00 0.00 0.00 07:40:16 docker0 3.18 4.32 0.30 93.08 0.00 0.00 0.00 0.00 07:40:16 veth9fc3b35 1.90 2.62 0.26 51.05 0.00 0.00 0.00 0.00 07:50:00 lo 1.13 1.13 0.25 0.25 0.00 0.00 0.00 0.00 07:50:00 ens3 148.92 111.62 2099.32 16.08 0.00 0.00 0.00 0.00 07:50:00 docker0 16.47 24.94 2.68 255.30 0.00 0.00 0.00 0.00 07:50:00 vethdce499b 12.68 20.03 2.47 143.46 0.00 0.00 0.00 0.01 Average: lo 1.35 1.35 0.61 0.61 0.00 0.00 0.00 0.00 Average: ens3 110.38 84.55 1550.52 13.61 0.00 0.00 0.00 0.00 Average: docker0 9.92 14.79 1.51 175.40 0.00 0.00 0.00 0.00 Average: vethdce499b 6.44 10.17 1.26 72.80 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2298) 03/05/26 _x86_64_ (8 CPU) 07:26:09 LINUX RESTART (8 CPU) 07:30:48 CPU %user %nice %system %iowait %steal %idle 07:40:16 all 33.00 0.00 1.64 0.45 0.07 64.84 07:40:16 0 32.92 0.00 1.57 0.51 0.07 64.93 07:40:16 1 32.61 0.00 1.58 0.81 0.07 64.92 07:40:16 2 35.75 0.00 1.95 0.45 0.08 61.77 07:40:16 3 32.71 0.00 1.66 0.08 0.07 65.48 07:40:16 4 31.71 0.00 1.51 0.22 0.06 66.49 07:40:16 5 32.32 0.00 1.85 0.30 0.07 65.47 07:40:16 6 34.96 0.00 1.44 0.75 0.07 62.78 07:40:16 7 31.01 0.00 1.54 0.50 0.07 66.88 07:50:00 all 15.35 0.00 2.75 0.70 0.06 81.13 07:50:00 0 9.41 0.00 2.52 0.79 0.06 87.23 07:50:00 1 13.88 0.00 3.10 1.09 0.07 81.87 07:50:00 2 8.02 0.00 2.81 0.49 0.05 88.63 07:50:00 3 12.69 0.00 2.83 0.90 0.06 83.52 07:50:00 4 25.07 0.00 2.76 0.34 0.07 71.76 07:50:00 5 14.44 0.00 2.19 0.26 0.06 83.04 07:50:00 6 19.99 0.00 2.72 1.02 0.06 76.20 07:50:00 7 19.37 0.00 3.11 0.67 0.07 76.78 Average: all 24.05 0.00 2.20 0.58 0.07 73.10 Average: 0 20.99 0.00 2.05 0.65 0.07 76.24 Average: 1 23.12 0.00 2.35 0.95 0.07 73.51 Average: 2 21.68 0.00 2.39 0.47 0.06 75.39 Average: 3 22.57 0.00 2.25 0.49 0.06 74.62 Average: 4 28.35 0.00 2.14 0.28 0.07 69.16 Average: 5 23.26 0.00 2.02 0.28 0.06 74.38 Average: 6 27.37 0.00 2.09 0.89 0.07 69.58 Average: 7 25.12 0.00 2.33 0.59 0.07 71.90