---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-325735 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 629 10644 4 4715 15017 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:f6:5c:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84992sec preferred_lft 84992sec inet6 fe80::f816:3eff:fef6:5cbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:20:17:13:58:3a 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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-325735) 03/09/26 _x86_64_ (4 CPU) 08:29:13 LINUX RESTART (4 CPU) 08:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:05 23.64 3.00 19.73 0.91 161.08 3994.06 969.84 08:50:17 13.07 0.53 11.62 0.92 20.06 1883.70 7598.75 Average: 18.32 1.76 15.64 0.91 90.05 2931.08 4308.78 08:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:05 9822960 12764972 3197932 19.53 113404 2995436 3419372 19.63 485500 5720096 424 08:50:17 10085600 13559628 2399244 14.65 132356 3477112 2834336 16.27 662208 5235768 96808 Average: 9954280 13162300 2798588 17.09 122880 3236274 3126854 17.95 573854 5477932 48616 08:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:05 lo 0.52 0.52 0.06 0.06 0.00 0.00 0.00 0.00 08:40:05 ens3 72.95 57.90 874.87 8.60 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:17 lo 313.29 313.29 298.38 298.38 0.00 0.00 0.00 0.00 08:50:17 ens3 34.29 25.02 401.21 3.64 0.00 0.00 0.00 0.00 08:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 158.06 158.06 150.32 150.32 0.00 0.00 0.00 0.00 Average: ens3 53.47 41.34 636.29 6.10 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-325735) 03/09/26 _x86_64_ (4 CPU) 08:29:13 LINUX RESTART (4 CPU) 08:30:02 CPU %user %nice %system %iowait %steal %idle 08:40:05 all 51.64 0.00 1.10 0.24 0.08 46.93 08:40:05 0 43.20 0.00 1.18 0.14 0.08 55.39 08:40:05 1 50.53 0.00 0.77 0.06 0.08 48.56 08:40:05 2 61.86 0.00 1.37 0.59 0.09 36.08 08:40:05 3 51.00 0.00 1.06 0.18 0.08 47.69 08:50:17 all 52.26 0.00 1.03 0.06 0.09 46.56 08:50:17 0 41.14 0.00 0.95 0.08 0.09 57.74 08:50:17 1 55.89 0.00 0.87 0.06 0.09 43.09 08:50:17 2 67.07 0.00 1.29 0.07 0.09 31.48 08:50:17 3 44.99 0.00 0.99 0.04 0.09 53.89 Average: all 51.96 0.00 1.06 0.15 0.09 46.75 Average: 0 42.16 0.00 1.07 0.11 0.08 56.58 Average: 1 53.23 0.00 0.82 0.06 0.08 45.81 Average: 2 64.49 0.00 1.33 0.33 0.09 33.77 Average: 3 47.97 0.00 1.02 0.11 0.08 50.82