---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41329 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 650 10317 4 5020 14995 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:2b:29:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84826sec preferred_lft 84826sec inet6 fe80::f816:3eff:fe2b:2909/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ef:73:1c:d7:0a 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-41329) 08/27/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:19 4.25 0.11 3.94 0.20 8.86 640.44 147.08 00:50:18 26.94 0.66 23.94 2.35 29.04 5228.02 10597.08 Average: 15.41 0.38 13.78 1.26 18.79 2897.29 5287.91 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:19 9380816 12526100 3435880 20.98 116176 3182800 3679628 21.12 505956 6136432 148 00:50:18 10599396 15381832 573580 3.50 140168 4732176 1112416 6.39 909816 4420560 438524 Average: 9990106 13953966 2004730 12.24 128172 3957488 2396022 13.75 707886 5278496 219336 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:19 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 00:40:19 ens3 12.70 9.40 35.55 3.05 0.00 0.00 0.00 0.00 00:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:18 lo 667.13 667.13 635.23 635.23 0.00 0.00 0.00 0.00 00:50:18 ens3 64.13 48.70 521.48 23.08 0.00 0.00 0.00 0.00 00:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 328.50 328.50 312.69 312.69 0.00 0.00 0.00 0.00 Average: ens3 38.00 28.73 274.60 12.91 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-41329) 08/27/26 _x86_64_ (4 CPU) 00:25:28 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:19 all 47.72 0.00 0.80 0.02 0.02 51.44 00:40:19 0 41.90 0.00 0.70 0.02 0.01 57.38 00:40:19 1 60.01 0.00 0.84 0.00 0.02 39.12 00:40:19 2 40.25 0.00 0.91 0.03 0.01 58.80 00:40:19 3 48.78 0.00 0.76 0.02 0.02 50.42 00:50:18 all 56.02 0.00 1.78 0.13 0.02 42.05 00:50:18 0 47.15 0.00 1.62 0.10 0.01 51.12 00:50:18 1 59.91 0.00 2.00 0.17 0.02 37.90 00:50:18 2 50.28 0.00 1.50 0.14 0.02 48.07 00:50:18 3 66.78 0.00 1.99 0.12 0.02 31.08 Average: all 51.80 0.00 1.28 0.07 0.02 46.82 Average: 0 44.48 0.00 1.15 0.06 0.01 54.30 Average: 1 59.96 0.00 1.41 0.09 0.02 38.52 Average: 2 45.17 0.00 1.20 0.08 0.01 53.53 Average: 3 57.64 0.00 1.36 0.07 0.02 40.91