---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11325 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: 5600.00 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 690 10287 4 5010 14955 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:e0:8e:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84611sec preferred_lft 84611sec inet6 fe80::f816:3eff:fee0:8e0a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:f4:41:51:62:a3 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-11325) 02/16/26 _x86_64_ (4 CPU) 22:07:48 LINUX RESTART (4 CPU) 22:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:20:07 14.91 2.34 11.65 0.92 540.23 2906.25 4596.20 22:30:15 21.02 0.84 18.09 2.09 27.75 3505.77 3143.97 Average: 18.02 1.58 14.92 1.52 279.72 3211.00 3857.98 22:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:20:07 10816856 14107120 1852868 11.32 126416 3305216 2159900 12.40 650696 4542584 30432 22:30:15 8835300 13195232 2755652 16.83 169596 4241940 2948876 16.93 902392 6173348 84136 Average: 9826078 13651176 2304260 14.07 148006 3773578 2554388 14.66 776544 5357966 57284 22:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:20:07 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 22:20:07 ens3 86.73 65.75 864.93 12.59 0.00 0.00 0.00 0.00 22:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:15 lo 855.27 855.27 814.42 814.42 0.00 0.00 0.00 0.00 22:30:15 ens3 86.59 66.54 357.45 19.29 0.00 0.00 0.00 0.00 22:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 435.12 435.12 414.04 414.04 0.00 0.00 0.00 0.00 Average: ens3 86.66 66.15 606.96 15.99 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-11325) 02/16/26 _x86_64_ (4 CPU) 22:07:48 LINUX RESTART (4 CPU) 22:10:19 CPU %user %nice %system %iowait %steal %idle 22:20:07 all 37.12 0.00 1.25 0.17 0.07 61.39 22:20:07 0 37.07 0.00 1.38 0.14 0.07 61.34 22:20:07 1 36.53 0.00 1.19 0.08 0.07 62.13 22:20:07 2 37.56 0.00 1.20 0.25 0.08 60.91 22:20:07 3 37.32 0.00 1.24 0.20 0.07 61.17 22:30:15 all 70.59 0.00 2.58 0.07 0.10 26.66 22:30:15 0 68.03 0.00 2.63 0.07 0.10 29.17 22:30:15 1 70.71 0.00 2.65 0.06 0.10 26.48 22:30:15 2 73.43 0.00 2.49 0.07 0.10 23.90 22:30:15 3 70.19 0.00 2.54 0.07 0.10 27.10 Average: all 54.12 0.00 1.93 0.12 0.09 43.75 Average: 0 52.79 0.00 2.01 0.10 0.09 45.00 Average: 1 53.90 0.00 1.93 0.07 0.09 44.01 Average: 2 55.77 0.00 1.86 0.16 0.09 42.13 Average: 3 54.02 0.00 1.90 0.13 0.08 43.86