---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8029 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 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 613 10615 4 4760 15033 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:da:08:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84741sec preferred_lft 84741sec inet6 fe80::f816:3eff:feda:824/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:e5:70:16:15:a8 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-8029) 02/06/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:16 5.24 0.30 4.64 0.30 209.79 856.20 703.24 00:50:05 15.96 0.54 14.32 1.10 20.18 2191.81 4929.72 Average: 10.49 0.42 9.38 0.69 117.00 1509.85 2771.69 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:16 8141560 11092592 4870712 29.75 110304 3011816 4985396 28.62 548016 7330228 4788 00:50:05 9119600 12781612 3177116 19.40 129676 3664308 3326892 19.10 765252 6114272 264512 Average: 8630580 11937102 4023914 24.58 119990 3338062 4156144 23.86 656634 6722250 134650 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:16 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 00:40:16 ens3 20.38 13.53 92.39 2.92 0.00 0.00 0.00 0.00 00:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 379.93 379.93 360.67 360.67 0.00 0.00 0.00 0.00 00:50:05 ens3 44.51 31.47 418.35 4.92 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 186.24 186.24 176.70 176.70 0.00 0.00 0.00 0.00 Average: ens3 32.19 22.31 251.92 3.90 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-8029) 02/06/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:16 all 47.52 0.00 0.69 0.03 0.08 51.67 00:40:16 0 59.03 0.00 0.75 0.02 0.08 40.11 00:40:16 1 48.14 0.00 0.68 0.03 0.08 51.07 00:40:16 2 44.77 0.00 0.83 0.05 0.08 54.27 00:40:16 3 38.11 0.00 0.51 0.03 0.08 61.27 00:50:05 all 51.71 0.00 1.20 0.05 0.08 46.96 00:50:05 0 41.09 0.00 1.24 0.04 0.08 57.54 00:50:05 1 73.67 0.00 1.22 0.06 0.09 24.96 00:50:05 2 40.55 0.00 1.01 0.04 0.08 58.32 00:50:05 3 51.57 0.00 1.32 0.04 0.07 47.00 Average: all 49.57 0.00 0.94 0.04 0.08 49.37 Average: 0 50.26 0.00 0.99 0.03 0.08 48.63 Average: 1 60.63 0.00 0.94 0.05 0.08 38.30 Average: 2 42.71 0.00 0.92 0.04 0.08 56.25 Average: 3 44.69 0.00 0.91 0.03 0.07 54.29