---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1511 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 603 10781 4 4604 15043 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:8b:d6:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84217sec preferred_lft 84217sec inet6 fe80::f816:3eff:fe8b:d6d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:ce:62:c3:e8:e3 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-1511) 10/23/25 _x86_64_ (4 CPU) 14:16:39 LINUX RESTART (4 CPU) 14:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:00 34.71 4.28 29.75 0.67 261.58 3279.78 894.88 14:40:08 3.35 0.06 3.12 0.17 6.81 586.91 21.31 14:50:00 18.30 0.54 16.28 1.48 19.59 2343.65 9056.68 Average: 18.71 1.62 16.32 0.77 95.86 2061.51 3283.97 14:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:00 10996988 13650884 2316700 14.15 103884 2733024 2653448 15.23 438104 4623888 31868 14:40:08 11000944 13796596 2168708 13.25 109128 2858848 2398032 13.76 480080 4550092 5812 14:50:00 9265484 12772492 3188072 19.47 131908 3509316 3317200 19.04 701252 6036976 269280 Average: 10421139 13406657 2557827 15.62 114973 3033729 2789560 16.01 539812 5070319 102320 14:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:00 lo 0.37 0.37 0.05 0.05 0.00 0.00 0.00 0.00 14:30:00 ens3 77.74 61.33 722.22 11.78 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:08 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 14:40:08 ens3 10.68 8.75 37.20 2.14 0.00 0.00 0.00 0.00 14:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 556.36 556.36 530.17 530.17 0.00 0.00 0.00 0.00 14:50:00 ens3 38.47 27.73 412.17 4.77 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 183.31 183.31 174.51 174.51 0.00 0.00 0.00 0.00 Average: ens3 42.15 32.50 388.66 6.22 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-1511) 10/23/25 _x86_64_ (4 CPU) 14:16:39 LINUX RESTART (4 CPU) 14:20:01 CPU %user %nice %system %iowait %steal %idle 14:30:00 all 18.64 0.00 0.67 1.33 0.05 79.31 14:30:00 0 17.64 0.00 0.56 0.17 0.04 81.59 14:30:00 1 18.56 0.00 0.73 2.60 0.05 78.05 14:30:00 2 18.85 0.00 0.62 0.98 0.04 79.51 14:30:00 3 19.49 0.00 0.79 1.58 0.05 78.09 14:40:08 all 47.50 0.00 0.63 0.02 0.08 51.77 14:40:08 0 38.65 0.00 0.66 0.04 0.07 60.58 14:40:08 1 58.21 0.00 0.64 0.03 0.09 41.03 14:40:08 2 47.70 0.00 0.59 0.01 0.07 51.63 14:40:08 3 45.46 0.00 0.64 0.02 0.07 53.80 14:50:00 all 53.84 0.00 1.34 0.69 0.11 44.04 14:50:00 0 60.45 0.00 1.10 0.10 0.11 38.24 14:50:00 1 42.39 0.00 1.62 0.94 0.10 54.94 14:50:00 2 47.22 0.00 1.25 1.62 0.10 49.81 14:50:00 3 65.27 0.00 1.37 0.08 0.12 33.16 Average: all 39.96 0.00 0.88 0.68 0.08 58.41 Average: 0 38.79 0.00 0.77 0.10 0.07 60.27 Average: 1 39.81 0.00 0.99 1.19 0.08 57.93 Average: 2 37.93 0.00 0.82 0.86 0.07 60.32 Average: 3 43.32 0.00 0.93 0.56 0.08 55.11