---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8027 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 17G 138G 11% / 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 786 19225 4 12080 30838 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:e9:06:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84691sec preferred_lft 84691sec inet6 fe80::f816:3eff:fee9:663/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:94:e8:8c:27:2b 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::b894:e8ff:fe8c:272b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8027) 02/06/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:09 16.07 0.33 15.28 0.46 14.20 10168.43 845.08 00:50:28 46.57 2.11 42.92 1.54 351.19 15272.14 12501.73 Average: 31.56 1.24 29.32 1.01 185.38 12760.93 6766.25 00:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:09 21784500 28992248 3304200 10.05 169248 7166848 3846744 11.34 1970980 8552276 114472 00:50:28 19767252 31652380 622512 1.89 223304 11597416 1202116 3.54 3319900 8959140 4 Average: 20775876 30322314 1963356 5.97 196276 9382132 2524430 7.44 2645440 8755708 57238 00:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:09 lo 1.55 1.55 0.16 0.16 0.00 0.00 0.00 0.00 00:40:09 ens3 57.16 43.71 235.39 12.56 0.00 0.00 0.00 0.00 00:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:28 lo 4359.88 4359.88 4163.41 4163.41 0.00 0.00 0.00 0.00 00:50:28 ens3 41.42 29.76 321.33 8.77 0.00 0.00 0.00 0.00 00:50:28 docker0 2.05 2.58 0.13 58.96 0.00 0.00 0.00 0.00 Average: lo 2215.42 2215.42 2114.94 2114.94 0.00 0.00 0.00 0.00 Average: ens3 49.17 36.62 279.04 10.63 0.00 0.00 0.00 0.00 Average: docker0 1.04 1.31 0.06 29.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-8027) 02/06/26 _x86_64_ (8 CPU) 00:23:20 LINUX RESTART (8 CPU) 00:30:08 CPU %user %nice %system %iowait %steal %idle 00:40:09 all 34.19 0.00 1.38 0.21 0.08 64.15 00:40:09 0 31.66 0.00 1.16 0.20 0.08 66.90 00:40:09 1 34.48 0.00 1.42 0.12 0.08 63.91 00:40:09 2 32.23 0.00 1.48 0.28 0.07 65.95 00:40:09 3 35.95 0.00 1.36 0.06 0.08 62.55 00:40:09 4 37.35 0.00 1.24 0.07 0.08 61.26 00:40:09 5 29.40 0.00 1.57 0.44 0.08 68.52 00:40:09 6 32.93 0.00 1.28 0.14 0.08 65.57 00:40:09 7 39.48 0.00 1.57 0.34 0.08 58.53 00:50:28 all 10.51 0.00 1.64 0.68 0.03 87.14 00:50:28 0 11.06 0.00 1.14 0.68 0.03 87.10 00:50:28 1 6.06 0.00 0.75 1.27 0.03 91.89 00:50:28 2 5.82 0.00 0.74 0.41 0.03 93.00 00:50:28 3 9.24 0.00 1.17 0.60 0.03 88.97 00:50:28 4 15.11 0.00 2.06 0.69 0.04 82.10 00:50:28 5 7.97 0.00 1.48 0.54 0.03 89.98 00:50:28 6 16.05 0.00 2.58 0.88 0.04 80.45 00:50:28 7 12.86 0.00 3.21 0.37 0.03 83.54 Average: all 22.16 0.00 1.51 0.45 0.06 75.83 Average: 0 21.18 0.00 1.15 0.44 0.06 77.17 Average: 1 20.00 0.00 1.08 0.70 0.06 78.16 Average: 2 18.81 0.00 1.10 0.35 0.05 79.69 Average: 3 22.36 0.00 1.26 0.33 0.05 75.99 Average: 4 26.06 0.00 1.65 0.39 0.06 71.85 Average: 5 18.51 0.00 1.52 0.49 0.05 79.42 Average: 6 24.36 0.00 1.94 0.51 0.06 73.13 Average: 7 26.03 0.00 2.40 0.35 0.06 71.16