---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-972 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 657 10321 4 5009 14989 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:7d:3b:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:fe7d:3b4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:93:63:8b:a3:22 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-972) 04/07/26 _x86_64_ (4 CPU) 14:16:04 LINUX RESTART (4 CPU) 14:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:01 5.88 0.48 5.03 0.37 411.07 881.16 4806.56 14:40:01 18.55 0.52 16.72 1.31 19.01 2291.23 4140.96 Average: 12.22 0.50 10.88 0.84 214.76 1587.20 4473.29 14:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:01 7734368 10934828 5027788 30.71 115176 3247836 5109132 29.33 628292 7667784 444 14:40:01 8807412 12731648 3226932 19.71 135416 3912160 3822332 21.94 833716 6350684 273168 Average: 8270890 11833238 4127360 25.21 125296 3579998 4465732 25.63 731004 7009234 136806 14:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:01 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 14:30:01 ens3 22.47 16.18 164.99 2.95 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 480.70 480.70 458.03 458.03 0.00 0.00 0.00 0.00 14:40:01 ens3 41.47 28.89 409.89 4.12 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 240.99 240.99 229.53 229.53 0.00 0.00 0.00 0.00 Average: ens3 31.98 22.54 287.61 3.53 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-972) 04/07/26 _x86_64_ (4 CPU) 14:16:04 LINUX RESTART (4 CPU) 14:20:02 CPU %user %nice %system %iowait %steal %idle 14:30:01 all 48.82 0.00 0.69 0.05 0.08 50.37 14:30:01 0 59.40 0.00 0.79 0.07 0.08 39.65 14:30:01 1 45.36 0.00 0.65 0.07 0.08 53.84 14:30:01 2 46.95 0.00 0.57 0.01 0.07 52.39 14:30:01 3 43.55 0.00 0.74 0.04 0.07 55.61 14:40:01 all 55.30 0.00 1.31 0.15 0.09 43.15 14:40:01 0 51.22 0.00 1.11 0.04 0.08 47.54 14:40:01 1 47.07 0.00 1.12 0.44 0.08 51.29 14:40:01 2 68.56 0.00 1.48 0.05 0.09 29.82 14:40:01 3 54.35 0.00 1.54 0.06 0.09 43.96 Average: all 52.06 0.00 1.00 0.10 0.08 46.76 Average: 0 55.31 0.00 0.95 0.06 0.08 43.60 Average: 1 46.22 0.00 0.89 0.25 0.08 52.57 Average: 2 57.77 0.00 1.03 0.03 0.08 41.09 Average: 3 48.95 0.00 1.14 0.05 0.08 49.78