---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3844 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 13G 143G 9% / 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 731 25651 4 5709 30893 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:3d:69:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.182/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84102sec preferred_lft 84102sec inet6 fe80::f816:3eff:fe3d:6943/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:ac:c3:0b:6e:50 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::28ac:c3ff:fe0b:6e50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3844) 04/05/26 _x86_64_ (8 CPU) 00:25:13 LINUX RESTART (8 CPU) 00:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:07 1.62 0.04 1.57 0.01 1.76 19.29 220.76 00:50:12 1.27 0.20 1.05 0.01 1.80 13.39 24.65 01:00:13 112.60 3.53 106.38 2.69 258.45 9651.68 19594.88 Average: 38.41 1.26 36.25 0.90 87.14 3220.86 6598.49 00:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:07 30145020 31776808 610816 1.86 60412 1910144 1525512 4.50 182740 2242912 28 00:50:12 30137768 31770620 616808 1.88 61352 1910180 1525836 4.50 183692 2249648 200 01:00:13 25321116 29565016 2742600 8.35 165360 4319652 3144360 9.27 662984 6435156 154912 Average: 28534635 31037481 1323408 4.03 95708 2713325 2065236 6.09 343139 3642572 51713 00:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:07 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 00:40:07 ens3 0.31 0.22 0.14 0.25 0.00 0.00 0.00 0.00 00:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:50:12 ens3 0.25 0.19 0.09 0.20 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:13 lo 38.94 38.94 16.84 16.84 0.00 0.00 0.00 0.00 01:00:13 ens3 156.29 96.75 1072.55 26.86 0.00 0.00 0.00 0.00 01:00:13 docker0 11.24 11.51 1.67 2.30 0.00 0.00 0.00 0.00 Average: lo 13.02 13.02 5.60 5.60 0.00 0.00 0.00 0.00 Average: ens3 52.17 32.31 356.79 9.08 0.00 0.00 0.00 0.00 Average: docker0 3.74 3.83 0.55 0.76 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3844) 04/05/26 _x86_64_ (8 CPU) 00:25:13 LINUX RESTART (8 CPU) 00:30:07 CPU %user %nice %system %iowait %steal %idle 00:40:07 all 0.03 0.00 0.02 0.01 0.01 99.94 00:40:07 0 0.01 0.00 0.01 0.00 0.00 99.97 00:40:07 1 0.10 0.00 0.02 0.00 0.02 99.85 00:40:07 2 0.03 0.00 0.02 0.04 0.02 99.89 00:40:07 3 0.01 0.00 0.00 0.00 0.00 99.98 00:40:07 4 0.03 0.00 0.01 0.01 0.01 99.95 00:40:07 5 0.02 0.00 0.02 0.00 0.01 99.94 00:40:07 6 0.02 0.00 0.02 0.00 0.00 99.96 00:40:07 7 0.02 0.00 0.01 0.00 0.01 99.96 00:50:12 all 0.10 0.00 0.01 0.01 0.01 99.87 00:50:12 0 0.00 0.00 0.00 0.00 0.00 99.99 00:50:12 1 0.01 0.00 0.01 0.00 0.01 99.97 00:50:12 2 0.03 0.00 0.03 0.03 0.02 99.88 00:50:12 3 0.03 0.00 0.01 0.00 0.00 99.97 00:50:12 4 0.01 0.00 0.01 0.00 0.01 99.96 00:50:12 5 0.56 0.00 0.02 0.00 0.01 99.40 00:50:12 6 0.11 0.00 0.01 0.00 0.01 99.87 00:50:12 7 0.02 0.00 0.02 0.01 0.01 99.94 01:00:13 all 19.65 0.00 0.90 0.39 0.05 79.01 01:00:13 0 19.88 0.00 1.03 0.40 0.04 78.66 01:00:13 1 20.57 0.00 0.80 0.26 0.05 78.32 01:00:13 2 21.79 0.00 0.74 0.27 0.05 77.15 01:00:13 3 18.79 0.00 0.85 0.35 0.05 79.96 01:00:13 4 20.23 0.00 1.00 0.25 0.05 78.47 01:00:13 5 18.59 0.00 0.97 0.26 0.05 80.13 01:00:13 6 18.47 0.00 0.85 1.10 0.05 79.52 01:00:13 7 18.89 0.00 0.98 0.26 0.05 79.83 Average: all 6.57 0.00 0.31 0.13 0.02 92.96 Average: 0 6.61 0.00 0.35 0.13 0.02 92.89 Average: 1 6.87 0.00 0.28 0.09 0.02 92.74 Average: 2 7.26 0.00 0.27 0.11 0.03 92.33 Average: 3 6.25 0.00 0.28 0.12 0.02 93.33 Average: 4 6.74 0.00 0.34 0.09 0.02 92.82 Average: 5 6.37 0.00 0.34 0.09 0.02 93.18 Average: 6 6.17 0.00 0.29 0.37 0.02 93.15 Average: 7 6.29 0.00 0.34 0.09 0.02 93.26