---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1211 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: 5600.00 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 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 751 9318 4 5919 14895 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:fb:79:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83835sec preferred_lft 83835sec inet6 fe80::f816:3eff:fefb:79e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:ad:b8:9d:70:13 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-1211) 10/22/25 _x86_64_ (4 CPU) 20:22:33 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:13 12.60 2.23 9.26 1.11 132.94 3801.57 3324.96 20:50:02 58.05 0.33 45.52 12.20 9.98 4019.60 16770.32 21:00:01 30.08 0.10 24.56 5.41 4.61 5084.85 11740.66 Average: 33.30 0.90 26.22 6.17 49.97 4300.22 10527.74 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:13 9521116 13541580 2412748 14.74 174380 3921308 2668224 15.32 884048 5511348 277216 20:50:02 8685460 13194808 2754484 16.82 207652 4336248 2923216 16.78 1027060 6175648 37676 21:00:01 9704452 15397292 547048 3.34 247976 5415932 1098892 6.31 1419388 4689892 244 Average: 9303676 14044560 1904760 11.63 210003 4557829 2230111 12.80 1110165 5458963 105045 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:13 lo 1.35 1.35 0.14 0.14 0.00 0.00 0.00 0.00 20:40:13 ens3 100.07 80.64 425.53 21.81 0.00 0.00 0.00 0.00 20:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5426.34 5426.34 5171.75 5171.75 0.00 0.00 0.00 0.00 20:50:02 ens3 115.38 80.25 253.14 26.28 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 2327.34 2327.34 2208.31 2208.31 0.00 0.00 0.00 0.00 21:00:01 ens3 87.65 80.77 136.98 58.75 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2551.41 2551.41 2428.04 2428.04 0.00 0.00 0.00 0.00 Average: ens3 100.95 80.55 273.03 35.57 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-1211) 10/22/25 _x86_64_ (4 CPU) 20:22:33 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:13 all 69.22 0.00 2.39 0.12 0.11 28.17 20:40:13 0 67.85 0.00 2.19 0.17 0.11 29.67 20:40:13 1 67.14 0.00 2.33 0.11 0.11 30.31 20:40:13 2 71.29 0.00 2.69 0.14 0.11 25.78 20:40:13 3 70.59 0.00 2.34 0.04 0.11 26.92 20:50:02 all 60.70 0.00 4.18 0.26 0.11 34.76 20:50:02 0 59.92 0.00 3.72 0.25 0.11 36.00 20:50:02 1 61.14 0.00 4.31 0.31 0.11 34.13 20:50:02 2 60.62 0.00 4.11 0.24 0.10 34.93 20:50:02 3 61.13 0.00 4.56 0.23 0.10 33.97 21:00:01 all 46.90 0.00 2.57 0.20 0.08 50.26 21:00:01 0 43.22 0.00 2.41 0.07 0.08 54.22 21:00:01 1 50.05 0.00 2.74 0.18 0.09 46.95 21:00:01 2 47.81 0.00 2.66 0.29 0.08 49.16 21:00:01 3 46.53 0.00 2.46 0.25 0.08 50.68 Average: all 59.00 0.00 3.03 0.19 0.10 37.68 Average: 0 57.05 0.00 2.76 0.16 0.10 39.92 Average: 1 59.49 0.00 3.11 0.20 0.10 37.10 Average: 2 59.98 0.00 3.14 0.22 0.10 36.56 Average: 3 59.49 0.00 3.11 0.17 0.10 37.13