---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39196 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 618 10205 4 5164 15028 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:86:4a:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84716sec preferred_lft 84716sec inet6 fe80::f816:3eff:fe86:4a5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:39:2f:70:fe:ed 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39196) 08/21/26 _x86_64_ (4 CPU) 00:26:45 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:15 22.20 1.72 7.12 13.37 309.77 1975.73 233422.95 00:50:05 11.97 0.53 10.69 0.76 19.63 1882.80 5161.49 Average: 17.20 1.14 8.87 7.19 167.75 1930.24 121688.59 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:15 9299692 12550352 3412092 20.84 116720 3287996 3617156 20.76 565316 6140360 136 00:50:05 9825180 13547588 2411584 14.73 135020 3712560 2872052 16.49 751364 5400844 19568 Average: 9562436 13048970 2911838 17.78 125870 3500278 3244604 18.62 658340 5770602 9852 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:15 lo 0.66 0.66 0.37 0.37 0.00 0.00 0.00 0.00 00:40:15 ens3 23.06 18.40 206.69 4.01 0.00 0.00 0.00 0.00 00:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 228.97 228.97 217.51 217.51 0.00 0.00 0.00 0.00 00:50:05 ens3 43.74 32.15 451.39 5.49 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 112.42 112.42 106.66 106.66 0.00 0.00 0.00 0.00 Average: ens3 33.18 25.13 326.47 4.73 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39196) 08/21/26 _x86_64_ (4 CPU) 00:26:45 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:15 all 49.69 0.00 0.86 0.07 0.09 49.29 00:40:15 0 46.33 0.00 0.83 0.10 0.08 52.66 00:40:15 1 41.43 0.00 0.84 0.08 0.09 57.56 00:40:15 2 63.92 0.00 0.97 0.07 0.10 34.93 00:40:15 3 47.10 0.00 0.80 0.04 0.09 51.97 00:50:05 all 52.25 0.00 1.04 0.03 0.09 46.59 00:50:05 0 46.19 0.00 1.12 0.03 0.10 52.57 00:50:05 1 52.04 0.00 1.01 0.07 0.09 46.78 00:50:05 2 58.36 0.00 0.98 0.02 0.10 40.54 00:50:05 3 52.43 0.00 1.04 0.01 0.09 46.43 Average: all 50.94 0.00 0.95 0.05 0.09 47.96 Average: 0 46.26 0.00 0.97 0.06 0.09 52.62 Average: 1 46.62 0.00 0.92 0.08 0.09 52.29 Average: 2 61.20 0.00 0.98 0.05 0.10 37.68 Average: 3 49.71 0.00 0.92 0.03 0.09 49.26