---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8540 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 11G 68G 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 697 10487 4 4803 14948 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:c6:1a:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83129sec preferred_lft 83129sec inet6 fe80::f816:3eff:fec6:1a05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:e5:66:14:e6:d8 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-8540) 11/13/25 _x86_64_ (4 CPU) 10:28:20 LINUX RESTART (4 CPU) 10:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:11 9.22 0.63 7.82 0.77 659.64 1828.15 6347.14 10:50:11 1.63 0.00 1.60 0.02 0.04 18.61 0.56 11:00:30 1.48 0.00 1.47 0.01 0.00 16.65 0.12 11:10:22 8.40 2.17 5.75 0.48 134.41 1982.06 1592.25 11:20:20 21.04 0.82 17.05 3.18 27.60 2866.75 12064.18 Average: 8.30 0.72 6.70 0.89 163.45 1331.39 3978.85 10:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:11 12774604 15529664 445560 2.72 99552 2846668 978580 5.62 594060 2669524 156 10:50:11 12773600 15529400 445880 2.72 100180 2846780 978644 5.62 594696 2669956 4 11:00:30 12772660 15529084 446152 2.72 100792 2846788 978644 5.62 595308 2671660 264 11:10:22 10734688 14116652 1844364 11.26 122540 3407576 2166800 12.44 771588 4507108 25104 11:20:20 8985320 13113360 2840780 17.35 160044 4051856 3569356 20.49 993040 5950080 25456 Average: 11608174 14763632 1204547 7.36 116622 3199934 1734405 9.96 709738 3693666 10197 10:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:11 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 10:40:11 ens3 9.18 5.43 206.75 0.46 0.00 0.00 0.00 0.00 10:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:50:11 ens3 0.39 0.12 0.09 0.05 0.00 0.00 0.00 0.00 10:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:30 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 11:00:30 ens3 0.58 0.11 0.11 0.04 0.00 0.00 0.00 0.00 11:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:22 lo 0.85 0.85 0.08 0.08 0.00 0.00 0.00 0.00 11:10:22 ens3 47.56 39.43 402.09 8.22 0.00 0.00 0.00 0.00 11:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:20 lo 1509.75 1509.75 1438.22 1438.22 0.00 0.00 0.00 0.00 11:20:20 ens3 56.66 45.04 371.60 10.89 0.00 0.00 0.00 0.00 11:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 300.60 300.60 286.15 286.15 0.00 0.00 0.00 0.00 Average: ens3 22.64 17.84 194.18 3.89 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-8540) 11/13/25 _x86_64_ (4 CPU) 10:28:20 LINUX RESTART (4 CPU) 10:30:10 CPU %user %nice %system %iowait %steal %idle 10:40:11 all 0.46 0.00 0.28 0.16 0.03 99.07 10:40:11 0 0.24 0.00 0.38 0.19 0.02 99.17 10:40:11 1 0.88 0.00 0.26 0.08 0.05 98.73 10:40:11 2 0.33 0.00 0.31 0.09 0.03 99.23 10:40:11 3 0.40 0.00 0.18 0.26 0.02 99.14 10:50:11 all 0.05 0.00 0.02 0.02 0.02 99.88 10:50:11 0 0.01 0.00 0.01 0.02 0.02 99.94 10:50:11 1 0.13 0.00 0.01 0.00 0.02 99.83 10:50:11 2 0.05 0.00 0.03 0.01 0.04 99.87 10:50:11 3 0.02 0.00 0.02 0.06 0.02 99.88 11:00:30 all 0.20 0.00 0.02 0.01 0.02 99.74 11:00:30 0 0.00 0.00 0.02 0.01 0.01 99.95 11:00:30 1 0.01 0.00 0.02 0.00 0.01 99.95 11:00:30 2 0.75 0.00 0.03 0.00 0.04 99.18 11:00:30 3 0.02 0.00 0.03 0.04 0.03 99.89 11:10:22 all 39.88 0.00 1.23 0.07 0.07 58.74 11:10:22 0 41.42 0.00 1.00 0.12 0.07 57.38 11:10:22 1 38.77 0.00 1.22 0.03 0.07 59.91 11:10:22 2 38.74 0.00 1.30 0.09 0.08 59.79 11:10:22 3 40.59 0.00 1.41 0.05 0.08 57.87 11:20:20 all 70.01 0.00 2.69 0.14 0.12 27.05 11:20:20 0 68.61 0.00 3.04 0.08 0.13 28.15 11:20:20 1 70.00 0.00 2.56 0.18 0.12 27.14 11:20:20 2 73.45 0.00 2.93 0.15 0.12 23.35 11:20:20 3 67.96 0.00 2.22 0.16 0.12 29.54 Average: all 21.86 0.00 0.84 0.08 0.05 77.17 Average: 0 21.79 0.00 0.88 0.08 0.05 77.19 Average: 1 21.71 0.00 0.81 0.06 0.05 77.37 Average: 2 22.39 0.00 0.91 0.07 0.06 76.57 Average: 3 21.54 0.00 0.76 0.11 0.05 77.53