---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4059 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 13G 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 665 8489 4 6834 14981 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:19:61:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84010sec preferred_lft 84010sec inet6 fe80::f816:3eff:fe19:6159/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:8c:e5:53:7e:aa 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-4059) 04/17/26 _x86_64_ (4 CPU) 19:30:10 LINUX RESTART (4 CPU) 19:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:11 23.93 0.01 21.13 2.79 0.19 1992.74 7938.08 20:00:11 27.09 0.03 24.36 2.69 0.72 4304.98 26033.71 Average: 25.51 0.02 22.75 2.74 0.45 3148.76 16985.07 19:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:11 8643808 12748492 3206776 19.59 152132 4049748 3276932 18.81 902148 6413996 204940 20:00:11 7097652 11969536 3982340 24.32 166320 4769184 4041764 23.20 1142256 7681276 304 Average: 7870730 12359014 3594558 21.95 159226 4409466 3659348 21.00 1022202 7047636 102622 19:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:11 lo 1540.26 1540.26 1463.36 1463.36 0.00 0.00 0.00 0.00 19:50:11 ens3 36.32 28.05 14.07 9.31 0.00 0.00 0.00 0.00 19:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:11 lo 1017.91 1017.91 962.23 962.23 0.00 0.00 0.00 0.00 20:00:11 ens3 39.91 32.46 48.58 11.16 0.00 0.00 0.00 0.00 20:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1279.11 1279.11 1212.82 1212.82 0.00 0.00 0.00 0.00 Average: ens3 38.12 30.25 31.32 10.23 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-4059) 04/17/26 _x86_64_ (4 CPU) 19:30:10 LINUX RESTART (4 CPU) 19:40:11 CPU %user %nice %system %iowait %steal %idle 19:50:11 all 58.80 0.00 2.33 3.57 0.11 35.19 19:50:11 0 58.22 0.00 2.48 1.90 0.11 37.30 19:50:11 1 59.05 0.00 2.17 3.21 0.11 35.47 19:50:11 2 60.08 0.00 2.25 5.93 0.11 31.64 19:50:11 3 57.87 0.00 2.40 3.25 0.11 36.37 20:00:11 all 51.81 0.00 2.08 1.71 0.11 44.30 20:00:11 0 49.89 0.00 1.89 0.88 0.11 47.23 20:00:11 1 53.60 0.00 1.87 2.34 0.10 42.08 20:00:11 2 50.26 0.00 2.14 2.13 0.11 45.35 20:00:11 3 53.49 0.00 2.41 1.46 0.11 42.53 Average: all 55.31 0.00 2.20 2.64 0.11 39.75 Average: 0 54.05 0.00 2.19 1.39 0.11 42.27 Average: 1 56.33 0.00 2.02 2.78 0.11 38.77 Average: 2 55.17 0.00 2.19 4.03 0.11 38.50 Average: 3 55.68 0.00 2.41 2.36 0.11 39.45