---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8187 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 9.1G 69G 12% / 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 619 11849 4 3520 15026 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:47:66:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82763sec preferred_lft 82763sec inet6 fe80::f816:3eff:fe47:66f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:fc:8a:c9:22:d3 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8187) 11/12/25 _x86_64_ (4 CPU) 10:20:08 LINUX RESTART (4 CPU) 10:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:08 1.45 0.01 1.42 0.02 0.17 17.05 1.69 10:50:00 1.13 0.00 1.11 0.02 0.00 12.71 0.12 11:00:08 1.20 0.00 1.19 0.01 0.00 13.91 0.12 11:10:08 1.29 0.00 1.27 0.02 0.00 14.49 0.15 11:20:02 17.07 3.19 12.20 1.68 165.56 2780.72 6070.21 Average: 4.40 0.63 3.42 0.35 32.85 562.81 1203.54 10:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:08 13078236 15542788 439024 2.68 91912 2567892 970492 5.57 424080 2553404 156 10:50:00 13077708 15542600 439164 2.68 92244 2567896 970492 5.57 424424 2554728 8 11:00:08 13078052 15543460 438280 2.68 92632 2568032 970492 5.57 424800 2555504 28 11:10:08 13078052 15543860 437900 2.67 93008 2568048 970620 5.57 425184 2556804 220 11:20:02 12121992 15364796 597848 3.65 119804 3279868 1091484 6.27 689988 3194608 29824 Average: 12886808 15507501 470443 2.87 97920 2710347 994716 5.71 477695 2683010 6047 10:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:40:08 ens3 0.34 0.14 0.10 0.06 0.00 0.00 0.00 0.00 10:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:00 ens3 0.24 0.12 0.08 0.05 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:08 ens3 0.18 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:08 ens3 0.26 0.11 0.07 0.04 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:02 lo 691.13 691.13 658.21 658.21 0.00 0.00 0.00 0.00 11:20:02 ens3 85.82 68.00 803.99 11.69 0.00 0.00 0.00 0.00 11:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.06 137.06 130.46 130.46 0.00 0.00 0.00 0.00 Average: ens3 17.21 13.57 159.41 2.35 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8187) 11/12/25 _x86_64_ (4 CPU) 10:20:08 LINUX RESTART (4 CPU) 10:30:08 CPU %user %nice %system %iowait %steal %idle 10:40:08 all 0.11 0.00 0.02 0.03 0.02 99.82 10:40:08 0 0.37 0.00 0.01 0.02 0.01 99.59 10:40:08 1 0.02 0.00 0.02 0.10 0.02 99.84 10:40:08 2 0.02 0.00 0.02 0.01 0.02 99.94 10:40:08 3 0.02 0.00 0.03 0.02 0.02 99.92 10:50:00 all 0.20 0.00 0.02 0.00 0.01 99.76 10:50:00 0 0.01 0.00 0.01 0.01 0.01 99.95 10:50:00 1 0.01 0.00 0.02 0.01 0.02 99.94 10:50:00 2 0.77 0.00 0.01 0.00 0.02 99.19 10:50:00 3 0.02 0.00 0.02 0.00 0.01 99.95 11:00:08 all 0.17 0.00 0.02 0.01 0.01 99.79 11:00:08 0 0.01 0.00 0.02 0.02 0.01 99.94 11:00:08 1 0.62 0.00 0.04 0.00 0.03 99.31 11:00:08 2 0.01 0.00 0.01 0.00 0.01 99.96 11:00:08 3 0.02 0.00 0.01 0.00 0.01 99.96 11:10:08 all 0.06 0.00 0.02 0.01 0.02 99.89 11:10:08 0 0.21 0.00 0.01 0.00 0.01 99.77 11:10:08 1 0.02 0.00 0.04 0.01 0.03 99.90 11:10:08 2 0.01 0.00 0.01 0.02 0.02 99.94 11:10:08 3 0.02 0.00 0.01 0.00 0.01 99.96 11:20:02 all 35.03 0.00 1.39 0.09 0.06 63.43 11:20:02 0 34.14 0.00 1.37 0.07 0.06 64.36 11:20:02 1 35.55 0.00 1.45 0.09 0.06 62.84 11:20:02 2 35.67 0.00 1.36 0.07 0.06 62.85 11:20:02 3 34.78 0.00 1.36 0.14 0.06 63.66 Average: all 7.04 0.00 0.29 0.03 0.02 92.62 Average: 0 6.87 0.00 0.28 0.02 0.02 92.80 Average: 1 7.17 0.00 0.31 0.04 0.03 92.44 Average: 2 7.21 0.00 0.28 0.02 0.02 92.46 Average: 3 6.89 0.00 0.28 0.03 0.02 92.77