---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22139 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 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 670 10127 4 5191 14976 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:c7:88:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84712sec preferred_lft 84712sec inet6 fe80::f816:3eff:fec7:8868/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:a6:c8:71:ce:7c 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-22139) 03/24/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:03 8.33 0.37 7.33 0.64 384.22 1265.83 11619.37 00:50:03 14.74 0.52 13.16 1.06 19.03 2071.41 6605.45 Average: 11.53 0.44 10.24 0.85 201.98 1667.83 9117.31 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:03 8254616 11586380 4375044 26.72 118564 3372664 4450852 25.55 664196 7107324 344 00:50:03 8979612 12942340 3015092 18.41 139052 3947724 3448772 19.80 852100 6160972 191856 Average: 8617114 12264360 3695068 22.57 128808 3660194 3949812 22.67 758148 6634148 96100 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:03 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 00:40:03 ens3 21.95 13.91 246.65 2.77 0.00 0.00 0.00 0.00 00:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:03 lo 398.88 398.88 380.14 380.14 0.00 0.00 0.00 0.00 00:50:03 ens3 43.57 29.96 410.97 5.03 0.00 0.00 0.00 0.00 00:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 199.36 199.36 189.89 189.89 0.00 0.00 0.00 0.00 Average: ens3 32.74 21.92 328.65 3.90 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-22139) 03/24/26 _x86_64_ (4 CPU) 00:25:27 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:03 all 46.87 0.00 0.83 0.14 0.08 52.08 00:40:03 0 50.35 0.00 0.66 0.03 0.08 48.89 00:40:03 1 35.21 0.00 0.87 0.28 0.08 63.57 00:40:03 2 58.74 0.00 1.05 0.09 0.08 40.04 00:40:03 3 43.17 0.00 0.75 0.18 0.08 55.82 00:50:03 all 56.33 0.00 1.16 0.08 0.10 42.33 00:50:03 0 51.88 0.00 1.00 0.05 0.09 46.98 00:50:03 1 49.10 0.00 1.42 0.10 0.09 49.29 00:50:03 2 55.60 0.00 1.19 0.08 0.09 43.03 00:50:03 3 68.77 0.00 1.05 0.08 0.11 30.00 Average: all 51.59 0.00 1.00 0.11 0.09 47.21 Average: 0 51.11 0.00 0.83 0.04 0.09 47.94 Average: 1 42.14 0.00 1.15 0.19 0.08 56.44 Average: 2 57.18 0.00 1.12 0.08 0.09 41.53 Average: 3 55.94 0.00 0.90 0.13 0.09 42.94