---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53706 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 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 701 10506 4 4781 14945 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:a1:32:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84332sec preferred_lft 84332sec inet6 fe80::f816:3eff:fea1:32cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:d3:d4:7f:2e:23 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-53706) 03/28/26 _x86_64_ (4 CPU) 03:30:19 LINUX RESTART (4 CPU) 03:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:01 16.32 2.28 13.03 1.00 138.58 3274.05 502.85 04:00:08 35.44 0.77 30.16 4.50 26.59 4426.02 3742.73 Average: 25.96 1.52 21.67 2.77 82.10 3855.04 2136.88 03:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:01 10339652 13822720 2135320 13.04 147440 3437524 2658248 15.26 631144 4992500 120792 04:00:08 10819308 15355820 595568 3.64 176660 4391392 1097076 6.30 908580 4130424 12 Average: 10579480 14589270 1365444 8.34 162050 3914458 1877662 10.78 769862 4561462 60402 03:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:01 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 03:50:01 ens3 89.12 70.22 582.79 19.84 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:08 lo 1678.67 1678.67 1597.72 1597.72 0.00 0.00 0.00 0.00 04:00:08 ens3 80.05 61.65 400.59 75.33 0.00 0.00 0.00 0.00 04:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 847.31 847.31 805.88 805.88 0.00 0.00 0.00 0.00 Average: ens3 84.55 65.89 490.90 47.82 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-53706) 03/28/26 _x86_64_ (4 CPU) 03:30:19 LINUX RESTART (4 CPU) 03:40:04 CPU %user %nice %system %iowait %steal %idle 03:50:01 all 72.39 0.00 2.31 0.05 0.09 25.16 03:50:01 0 71.86 0.00 1.99 0.05 0.09 26.01 03:50:01 1 74.12 0.00 2.52 0.05 0.09 23.21 03:50:01 2 73.22 0.00 2.33 0.05 0.09 24.31 03:50:01 3 70.37 0.00 2.39 0.04 0.09 27.11 04:00:08 all 58.20 0.00 2.45 0.08 0.08 39.19 04:00:08 0 57.23 0.00 2.09 0.04 0.08 40.56 04:00:08 1 57.89 0.00 2.43 0.04 0.08 39.55 04:00:08 2 58.01 0.00 2.75 0.15 0.08 39.00 04:00:08 3 59.68 0.00 2.51 0.09 0.08 37.64 Average: all 65.23 0.00 2.38 0.06 0.09 32.24 Average: 0 64.47 0.00 2.04 0.05 0.08 33.36 Average: 1 65.94 0.00 2.48 0.05 0.09 31.46 Average: 2 65.55 0.00 2.54 0.10 0.09 31.72 Average: 3 64.97 0.00 2.45 0.06 0.09 32.42