---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37455 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 11G 67G 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 637 10289 4 5062 15009 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:e4:08:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fee4:851/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:65:e2:2c:20:ef 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-37455) 03/25/26 _x86_64_ (4 CPU) 09:44:18 LINUX RESTART (4 CPU) 09:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:02 3.64 0.07 3.38 0.18 7.09 531.84 312.05 10:10:02 27.39 12.38 13.96 1.04 149.96 2106.45 2288.97 Average: 15.51 6.23 8.67 0.61 78.53 1319.18 1300.55 09:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:02 10138128 13371776 2590808 15.82 116344 3276212 2817644 16.17 635896 5257100 29060 10:10:02 8760344 12727804 3229808 19.73 136736 3939444 3337088 19.15 879908 6333248 271136 Average: 9449236 13049790 2910308 17.77 126540 3607828 3077366 17.66 757902 5795174 150098 09:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:02 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:00:02 ens3 9.47 7.79 36.34 2.51 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:02 lo 394.12 394.12 375.61 375.61 0.00 0.00 0.00 0.00 10:10:02 ens3 35.24 25.48 407.88 3.54 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 197.37 197.37 188.00 188.00 0.00 0.00 0.00 0.00 Average: ens3 22.36 16.64 222.12 3.02 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-37455) 03/25/26 _x86_64_ (4 CPU) 09:44:18 LINUX RESTART (4 CPU) 09:50:02 CPU %user %nice %system %iowait %steal %idle 10:00:02 all 48.04 0.00 0.76 0.03 0.11 51.06 10:00:02 0 59.12 0.00 0.78 0.07 0.13 39.90 10:00:02 1 48.33 0.00 0.85 0.01 0.10 50.70 10:00:02 2 46.18 0.00 0.71 0.02 0.11 52.99 10:00:02 3 38.55 0.00 0.69 0.03 0.10 60.63 10:10:02 all 52.49 0.08 1.28 0.15 0.14 45.86 10:10:02 0 42.10 0.03 1.24 0.14 0.13 56.36 10:10:02 1 61.29 0.06 1.33 0.18 0.15 36.98 10:10:02 2 55.02 0.13 1.30 0.19 0.14 43.22 10:10:02 3 51.56 0.09 1.23 0.10 0.14 46.88 Average: all 50.26 0.04 1.02 0.09 0.13 48.46 Average: 0 50.62 0.02 1.01 0.11 0.13 48.12 Average: 1 54.81 0.03 1.09 0.10 0.13 43.84 Average: 2 50.59 0.07 1.00 0.10 0.13 48.11 Average: 3 45.04 0.05 0.96 0.07 0.12 53.77