---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1075 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 17G 61G 22% / 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 698 11545 3 3745 14947 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:dd:ae:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83961sec preferred_lft 83961sec inet6 fe80::f816:3eff:fedd:ae0d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:ce:8b:15:eb:e0 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-16g-1075) 10/22/25 _x86_64_ (4 CPU) 06:44:29 LINUX RESTART (4 CPU) 06:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:05 92.56 30.05 58.40 4.11 440.88 11664.02 7114.60 07:10:33 18.25 0.40 16.94 0.91 17.82 470.32 584.08 07:20:33 13.73 0.17 12.86 0.70 14.01 644.16 402.96 Average: 41.19 10.07 29.22 1.89 155.60 4205.91 2670.81 06:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:05 5854048 9081516 6850680 41.84 264808 2961448 7695980 44.17 2128264 7829492 1176 07:10:33 3899252 7157444 8775484 53.60 267756 2989252 9475848 54.39 2165924 9733924 92 07:20:33 8145972 11516764 4419812 26.99 272380 3097516 5194932 29.82 2203088 5474256 44 Average: 5966424 9251908 6681992 40.81 268315 3016072 7455587 42.79 2165759 7679224 437 06:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:05 lo 20.41 20.41 16.88 16.88 0.00 0.00 0.00 0.00 07:00:05 ens3 27.18 20.23 413.64 2.29 0.00 0.00 0.00 0.00 07:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:33 lo 46.15 46.15 19.90 19.90 0.00 0.00 0.00 0.00 07:10:33 ens3 1.73 1.55 0.39 1.14 0.00 0.00 0.00 0.00 07:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:33 lo 15.32 15.32 6.96 6.96 0.00 0.00 0.00 0.00 07:20:33 ens3 0.91 0.79 0.26 0.21 0.00 0.00 0.00 0.00 07:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 27.58 27.58 14.66 14.66 0.00 0.00 0.00 0.00 Average: ens3 9.82 7.44 136.15 1.21 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-16g-1075) 10/22/25 _x86_64_ (4 CPU) 06:44:29 LINUX RESTART (4 CPU) 06:50:03 CPU %user %nice %system %iowait %steal %idle 07:00:05 all 53.90 0.00 2.42 0.45 0.12 43.12 07:00:05 0 54.70 0.00 2.36 0.39 0.11 42.44 07:00:05 1 55.01 0.00 2.17 0.33 0.12 42.36 07:00:05 2 53.40 0.00 2.43 0.25 0.12 43.81 07:00:05 3 52.48 0.00 2.70 0.82 0.12 43.88 07:10:33 all 35.72 0.00 1.54 0.07 0.12 62.55 07:10:33 0 35.49 0.00 1.60 0.02 0.12 62.77 07:10:33 1 35.85 0.00 1.43 0.05 0.12 62.55 07:10:33 2 36.14 0.00 1.53 0.04 0.13 62.17 07:10:33 3 35.40 0.00 1.60 0.16 0.12 62.71 07:20:33 all 21.30 0.00 1.00 0.21 0.12 77.37 07:20:33 0 21.66 0.00 0.83 0.08 0.11 77.32 07:20:33 1 20.07 0.00 1.07 0.15 0.12 78.59 07:20:33 2 21.32 0.00 1.03 0.15 0.12 77.38 07:20:33 3 22.17 0.00 1.07 0.47 0.12 76.18 Average: all 36.97 0.00 1.65 0.24 0.12 61.02 Average: 0 37.27 0.00 1.60 0.16 0.12 60.86 Average: 1 36.97 0.00 1.56 0.18 0.12 61.18 Average: 2 36.96 0.00 1.66 0.14 0.12 61.11 Average: 3 36.67 0.00 1.79 0.48 0.12 60.95