---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1370 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 675 10356 4 4957 14971 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:b8:5d:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84062sec preferred_lft 84062sec inet6 fe80::f816:3eff:feb8:5dbc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:3e:92:f3:80:30 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1370) 08/02/26 _x86_64_ (4 CPU) 00:16:58 LINUX RESTART (4 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 3.16 0.24 2.75 0.16 203.98 291.47 14.30 00:40:01 27.55 2.07 11.07 14.40 133.43 2943.95 247899.02 00:50:01 31.57 0.77 26.37 4.43 24.09 4189.13 3658.53 Average: 20.59 1.02 13.34 6.23 120.99 2456.58 82149.89 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 12892760 15495940 476720 2.91 100512 2690444 1004232 5.76 403904 2740256 160 00:40:01 10312312 13833436 2125356 12.98 135416 3501064 2508436 14.40 635344 5038456 27252 00:50:01 10678976 15390612 560440 3.42 174168 4565684 1093140 6.27 966944 4232856 106600 Average: 11294683 14906663 1054172 6.44 136699 3585731 1535269 8.81 668731 4003856 44671 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 00:30:14 ens3 18.78 14.28 297.25 1.59 0.00 0.00 0.00 0.00 00:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 00:40:01 ens3 107.06 81.20 632.03 20.57 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 1749.12 1749.12 1667.42 1667.42 0.00 0.00 0.00 0.00 00:50:01 ens3 91.80 68.30 429.05 18.10 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 583.47 583.47 555.85 555.85 0.00 0.00 0.00 0.00 Average: ens3 71.94 54.13 450.47 13.29 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1370) 08/02/26 _x86_64_ (4 CPU) 00:16:58 LINUX RESTART (4 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.28 0.00 0.08 0.03 0.02 99.58 00:30:14 0 0.08 0.00 0.07 0.08 0.02 99.75 00:30:14 1 0.23 0.00 0.07 0.01 0.03 99.66 00:30:14 2 0.63 0.00 0.14 0.02 0.02 99.18 00:30:14 3 0.18 0.00 0.06 0.01 0.02 99.73 00:40:01 all 59.60 0.00 1.95 0.06 0.08 38.32 00:40:01 0 58.11 0.00 1.57 0.10 0.08 40.15 00:40:01 1 58.42 0.00 1.92 0.05 0.09 39.53 00:40:01 2 61.83 0.00 1.91 0.05 0.08 36.13 00:40:01 3 60.04 0.00 2.38 0.04 0.09 37.45 00:50:01 all 68.24 0.00 2.73 0.07 0.09 28.87 00:50:01 0 66.70 0.00 2.42 0.05 0.09 30.75 00:50:01 1 68.34 0.00 2.98 0.06 0.09 28.54 00:50:01 2 67.83 0.00 2.79 0.11 0.09 29.18 00:50:01 3 70.11 0.00 2.73 0.06 0.09 27.01 Average: all 42.28 0.00 1.57 0.05 0.07 56.04 Average: 0 41.20 0.00 1.34 0.07 0.06 57.32 Average: 1 41.94 0.00 1.64 0.04 0.07 56.31 Average: 2 42.96 0.00 1.60 0.06 0.06 55.31 Average: 3 43.00 0.00 1.71 0.04 0.07 55.19