---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23804 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 12G 66G 16% / 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 698 8708 4 6581 14947 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:50:f9:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84601sec preferred_lft 84601sec inet6 fe80::f816:3eff:fe50:f930/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:3f:72:75:87:96 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-23804) 02/27/26 _x86_64_ (4 CPU) 11:01:08 LINUX RESTART (4 CPU) 11:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:21 26.28 0.02 23.52 2.74 0.25 2269.89 12731.29 11:30:01 20.29 0.03 18.82 1.44 0.50 8584.98 5192.90 Average: 23.37 0.02 21.24 2.11 0.37 5337.09 9069.94 11:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:21 9324160 13252616 2702376 16.51 153156 3876268 2692068 15.45 887516 5744996 16508 11:30:01 6804324 13178784 2768164 16.91 183136 6209024 2747892 15.77 1733900 7313716 145036 Average: 8064242 13215700 2735270 16.71 168146 5042646 2719980 15.61 1310708 6529356 80772 11:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:21 lo 1138.49 1138.49 1083.26 1083.26 0.00 0.00 0.00 0.00 11:20:21 ens3 24.96 22.22 18.49 6.83 0.00 0.00 0.00 0.00 11:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 743.23 743.23 7554.16 7554.16 0.00 0.00 0.00 0.00 11:30:01 ens3 32.05 26.42 120.32 7.30 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 946.52 946.52 4226.13 4226.13 0.00 0.00 0.00 0.00 Average: ens3 28.41 24.26 67.94 7.06 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-23804) 02/27/26 _x86_64_ (4 CPU) 11:01:08 LINUX RESTART (4 CPU) 11:10:07 CPU %user %nice %system %iowait %steal %idle 11:20:21 all 67.23 0.00 2.34 0.05 0.12 30.26 11:20:21 0 67.00 0.00 2.54 0.07 0.12 30.27 11:20:21 1 66.10 0.00 2.33 0.06 0.12 31.39 11:20:21 2 67.52 0.00 2.17 0.05 0.12 30.14 11:20:21 3 68.28 0.00 2.33 0.03 0.12 29.24 11:30:01 all 45.88 0.00 1.67 0.40 0.10 51.96 11:30:01 0 45.37 0.00 1.65 0.29 0.10 52.60 11:30:01 1 51.48 0.00 1.74 0.39 0.10 46.30 11:30:01 2 50.77 0.00 1.40 0.27 0.10 47.46 11:30:01 3 35.92 0.00 1.89 0.64 0.10 61.45 Average: all 56.85 0.00 2.02 0.22 0.11 40.81 Average: 0 56.48 0.00 2.11 0.17 0.11 41.12 Average: 1 58.99 0.00 2.04 0.22 0.11 38.64 Average: 2 59.38 0.00 1.80 0.16 0.11 38.56 Average: 3 52.53 0.00 2.12 0.33 0.11 44.91