---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-50295 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 625 10420 4 4943 15021 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:e1:b0:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84802sec preferred_lft 84802sec inet6 fe80::f816:3eff:fee1:b04b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:d6:d1:79:ec:3d 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-50295) 03/05/26 _x86_64_ (4 CPU) 08:16:31 LINUX RESTART (4 CPU) 08:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:01 6.30 0.52 5.41 0.37 416.98 1033.23 6503.10 08:40:04 10.81 0.52 9.63 0.66 19.01 1700.70 2407.79 Average: 8.57 0.52 7.54 0.52 216.59 1369.32 4441.01 08:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:01 7707236 10832496 5130108 31.33 114756 3175148 5255240 30.17 634128 7690272 220 08:40:04 10034116 13598632 2360600 14.42 135324 3564116 2490776 14.30 804288 5141056 21140 Average: 8870676 12215564 3745354 22.88 125040 3369632 3873008 22.23 719208 6415664 10680 08:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:01 lo 0.64 0.64 0.39 0.39 0.00 0.00 0.00 0.00 08:30:01 ens3 17.71 13.12 207.07 2.70 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 190.74 190.74 181.54 181.54 0.00 0.00 0.00 0.00 08:40:04 ens3 40.15 29.39 407.58 3.79 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 96.36 96.36 91.60 91.60 0.00 0.00 0.00 0.00 Average: ens3 29.01 21.32 308.03 3.25 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-50295) 03/05/26 _x86_64_ (4 CPU) 08:16:31 LINUX RESTART (4 CPU) 08:20:07 CPU %user %nice %system %iowait %steal %idle 08:30:01 all 49.20 0.00 0.75 0.05 0.07 49.93 08:30:01 0 47.76 0.00 0.63 0.06 0.07 51.47 08:30:01 1 61.17 0.00 0.77 0.02 0.07 37.98 08:30:01 2 43.26 0.00 0.72 0.04 0.07 55.91 08:30:01 3 44.61 0.00 0.89 0.10 0.06 54.34 08:40:04 all 58.13 0.00 0.93 0.03 0.08 40.84 08:40:04 0 66.77 0.00 0.93 0.02 0.08 32.20 08:40:04 1 53.62 0.00 0.82 0.02 0.08 45.46 08:40:04 2 63.41 0.00 0.98 0.04 0.07 35.49 08:40:04 3 48.72 0.00 0.98 0.04 0.07 50.18 Average: all 53.69 0.00 0.84 0.04 0.07 45.35 Average: 0 57.33 0.00 0.78 0.04 0.08 41.77 Average: 1 57.37 0.00 0.79 0.02 0.07 41.75 Average: 2 53.40 0.00 0.85 0.04 0.07 45.63 Average: 3 46.68 0.00 0.94 0.07 0.07 52.24