---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9856 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 646 10338 4 5004 15000 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:b8:8b:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84804sec preferred_lft 84804sec inet6 fe80::f816:3eff:feb8:8b01/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:53:42:48:6b:64 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9856) 02/12/26 _x86_64_ (4 CPU) 19:09:48 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 55.59 11.21 43.11 1.28 2025.81 8516.33 39690.80 19:30:14 3.20 0.07 3.05 0.08 6.55 377.96 12.16 Average: 29.70 5.70 23.31 0.69 1027.97 4494.67 20083.18 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 10666444 13843256 2119156 12.94 112308 3235000 2419320 13.89 661872 4709844 3156 19:30:14 10040556 13318816 2642884 16.14 116280 3323644 2823212 16.21 687296 5308824 32 Average: 10353500 13581036 2381020 14.54 114294 3279322 2621266 15.05 674584 5009334 1594 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 0.64 0.64 0.07 0.07 0.00 0.00 0.00 0.00 19:20:14 ens3 111.49 79.56 1044.58 14.25 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:14 lo 0.54 0.54 0.37 0.37 0.00 0.00 0.00 0.00 19:30:14 ens3 6.15 5.23 34.49 1.06 0.00 0.00 0.00 0.00 19:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.59 0.59 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 59.44 42.83 545.43 7.73 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9856) 02/12/26 _x86_64_ (4 CPU) 19:09:48 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 46.75 0.00 1.37 0.82 0.09 50.97 19:20:14 0 48.02 0.00 1.71 0.53 0.09 49.65 19:20:14 1 48.59 0.00 1.39 1.20 0.09 48.73 19:20:14 2 43.39 0.00 1.21 0.74 0.09 54.57 19:20:14 3 47.02 0.00 1.16 0.81 0.09 50.93 19:30:14 all 42.25 0.00 0.47 0.01 0.08 57.19 19:30:14 0 28.37 0.00 0.54 0.02 0.06 71.00 19:30:14 1 41.68 0.00 0.41 0.03 0.09 57.79 19:30:14 2 56.03 0.00 0.44 0.00 0.08 43.44 19:30:14 3 42.88 0.00 0.49 0.01 0.07 56.55 Average: all 44.52 0.00 0.92 0.42 0.08 54.05 Average: 0 38.31 0.00 1.14 0.28 0.08 60.20 Average: 1 45.18 0.00 0.91 0.62 0.09 53.21 Average: 2 49.64 0.00 0.83 0.37 0.09 49.07 Average: 3 44.97 0.00 0.83 0.41 0.08 53.71