---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37059 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: 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 12G 67G 15% / 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 740 9589 4 5659 14905 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:69:ff:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84810sec preferred_lft 84810sec inet6 fe80::f816:3eff:fe69:ff22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:95:4c:c7:64:7d 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-37059) 08/12/26 _x86_64_ (4 CPU) 22:14:33 LINUX RESTART (4 CPU) 22:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:03 31.37 0.13 27.91 3.33 6.41 3015.00 15430.93 22:40:01 22.78 0.03 20.14 2.61 1.62 6279.55 6468.62 Average: 27.08 0.08 24.03 2.97 4.02 4644.55 10957.26 22:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:03 9277740 13264900 2690104 16.43 163896 3897700 2821396 16.19 748604 5911956 91748 22:40:01 9873048 15297196 650988 3.98 197028 5206064 1149384 6.60 905328 5028104 203024 Average: 9575394 14281048 1670546 10.20 180462 4551882 1985390 11.40 826966 5470030 147386 22:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:03 lo 1658.29 1658.29 1581.35 1581.35 0.00 0.00 0.00 0.00 22:30:03 ens3 38.82 33.30 210.77 8.10 0.00 0.00 0.00 0.00 22:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 404.92 404.92 384.96 384.96 0.00 0.00 0.00 0.00 22:40:01 ens3 49.38 41.61 110.70 27.67 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1032.65 1032.65 984.15 984.15 0.00 0.00 0.00 0.00 Average: ens3 44.09 37.45 160.82 17.87 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-37059) 08/12/26 _x86_64_ (4 CPU) 22:14:33 LINUX RESTART (4 CPU) 22:20:03 CPU %user %nice %system %iowait %steal %idle 22:30:03 all 65.35 0.00 2.58 0.06 0.12 31.89 22:30:03 0 67.62 0.00 2.42 0.05 0.12 29.79 22:30:03 1 65.62 0.00 2.74 0.06 0.12 31.46 22:30:03 2 62.79 0.00 2.47 0.07 0.12 34.56 22:30:03 3 65.38 0.00 2.70 0.07 0.12 31.74 22:40:01 all 57.78 0.00 2.05 0.78 0.11 39.27 22:40:01 0 54.82 0.00 2.13 0.07 0.11 42.87 22:40:01 1 58.52 0.00 2.16 0.03 0.11 39.18 22:40:01 2 57.98 0.00 1.84 2.91 0.11 37.17 22:40:01 3 59.82 0.00 2.08 0.11 0.11 37.88 Average: all 61.57 0.00 2.32 0.42 0.11 35.58 Average: 0 61.23 0.00 2.27 0.06 0.11 36.32 Average: 1 62.08 0.00 2.45 0.04 0.11 35.32 Average: 2 60.39 0.00 2.16 1.49 0.11 35.86 Average: 3 62.60 0.00 2.39 0.09 0.11 34.80