---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39082 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 66G 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 743 9305 4 5940 14903 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:d5:2c:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84522sec preferred_lft 84522sec inet6 fe80::f816:3eff:fed5:2c29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:a2:8f:8e:b1:09 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-39082) 08/20/26 _x86_64_ (4 CPU) 15:47:45 LINUX RESTART (4 CPU) 15:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:05 26.85 2.90 21.93 2.02 176.11 5548.84 8185.51 16:10:05 31.78 0.05 28.34 3.39 1.32 3050.11 13366.23 Average: 29.34 1.46 25.16 2.71 87.90 4287.76 10800.14 15:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:05 8755560 12916064 3038188 18.56 161688 4071048 3340812 19.18 759188 6419912 181228 16:10:05 8696652 13245488 2705348 16.52 190472 4392488 2987828 17.15 883164 6314424 28536 Average: 8726106 13080776 2871768 17.54 176080 4231768 3164320 18.16 821176 6367168 104882 15:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:05 lo 712.44 712.44 678.33 678.33 0.00 0.00 0.00 0.00 16:00:05 ens3 126.82 95.54 1172.79 18.29 0.00 0.00 0.00 0.00 16:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:05 lo 1522.19 1522.19 1450.32 1450.32 0.00 0.00 0.00 0.00 16:10:05 ens3 48.75 38.48 140.48 11.67 0.00 0.00 0.00 0.00 16:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1121.11 1121.11 1067.94 1067.94 0.00 0.00 0.00 0.00 Average: ens3 87.42 66.74 651.80 14.95 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-39082) 08/20/26 _x86_64_ (4 CPU) 15:47:45 LINUX RESTART (4 CPU) 15:50:17 CPU %user %nice %system %iowait %steal %idle 16:00:05 all 61.15 0.00 2.19 0.26 0.12 36.28 16:00:05 0 62.27 0.00 2.05 0.07 0.11 35.50 16:00:05 1 61.35 0.00 2.31 0.64 0.12 35.59 16:00:05 2 61.92 0.00 2.37 0.23 0.12 35.36 16:00:05 3 59.08 0.00 2.02 0.12 0.11 38.67 16:10:05 all 57.52 0.00 2.59 0.13 0.12 39.64 16:10:05 0 57.83 0.00 2.51 0.13 0.12 39.41 16:10:05 1 56.68 0.00 2.78 0.17 0.12 40.25 16:10:05 2 58.36 0.00 2.55 0.06 0.12 38.90 16:10:05 3 57.22 0.00 2.53 0.13 0.13 40.00 Average: all 59.32 0.00 2.39 0.19 0.12 37.97 Average: 0 60.03 0.00 2.28 0.10 0.11 37.47 Average: 1 58.99 0.00 2.54 0.40 0.12 37.94 Average: 2 60.12 0.00 2.46 0.15 0.12 37.15 Average: 3 58.14 0.00 2.28 0.12 0.12 39.34