---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-443242 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: 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: 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 12G 66G 16% / 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 631 8832 4 6524 15014 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:86:89:6b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84462sec preferred_lft 84462sec inet6 fe80::f816:3eff:fe86:896b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:10:ce:c3:87:17 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-443242) 03/11/26 _x86_64_ (4 CPU) 13:35:39 LINUX RESTART (4 CPU) 13:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:29 20.40 0.10 17.88 2.42 7.67 1929.99 4468.92 14:00:17 31.16 0.04 28.08 3.04 0.86 4691.48 9989.71 Average: 25.67 0.07 22.88 2.72 4.33 3282.25 7172.36 13:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:29 9815676 13323896 2633940 16.09 140032 3488716 2583364 14.83 697020 5451792 23400 14:00:17 7816392 12392856 3560156 21.74 159980 4490184 3418948 19.62 995628 7110556 6236 Average: 8816034 12858376 3097048 18.92 150006 3989450 3001156 17.23 846324 6281174 14818 13:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:29 lo 1308.06 1308.06 1240.63 1240.63 0.00 0.00 0.00 0.00 13:50:29 ens3 27.18 22.23 23.36 7.29 0.00 0.00 0.00 0.00 13:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:17 lo 1453.77 1453.77 1382.18 1382.18 0.00 0.00 0.00 0.00 14:00:17 ens3 33.17 26.05 46.30 7.72 0.00 0.00 0.00 0.00 14:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1379.41 1379.41 1309.95 1309.95 0.00 0.00 0.00 0.00 Average: ens3 30.11 24.10 34.59 7.50 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-443242) 03/11/26 _x86_64_ (4 CPU) 13:35:39 LINUX RESTART (4 CPU) 13:40:17 CPU %user %nice %system %iowait %steal %idle 13:50:29 all 67.70 0.00 2.37 0.07 0.08 29.78 13:50:29 0 63.52 0.00 2.22 0.04 0.09 34.13 13:50:29 1 69.17 0.00 2.34 0.08 0.08 28.33 13:50:29 2 69.12 0.00 2.62 0.09 0.08 28.10 13:50:29 3 69.00 0.00 2.30 0.07 0.09 28.54 14:00:17 all 62.97 0.00 2.55 0.39 0.09 34.00 14:00:17 0 63.57 0.00 2.48 0.24 0.09 33.62 14:00:17 1 62.89 0.00 2.65 0.35 0.09 34.02 14:00:17 2 62.23 0.00 2.41 0.82 0.09 34.44 14:00:17 3 63.19 0.00 2.66 0.15 0.09 33.91 Average: all 65.38 0.00 2.46 0.23 0.09 31.84 Average: 0 63.55 0.00 2.35 0.14 0.09 33.88 Average: 1 66.09 0.00 2.49 0.21 0.09 31.12 Average: 2 65.74 0.00 2.52 0.45 0.09 31.20 Average: 3 66.15 0.00 2.48 0.11 0.09 31.16