---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3397 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 9.4G 68G 13% / 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 606 11381 4 4000 15040 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:bc:39:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84917sec preferred_lft 84917sec inet6 fe80::f816:3eff:febc:3961/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:83:0e:0f:e5:5d 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-3397) 10/14/25 _x86_64_ (4 CPU) 00:26:38 LINUX RESTART (4 CPU) 00:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:12 20.28 0.78 8.09 11.40 680.09 1520.24 251798.71 00:50:12 5.46 0.37 4.84 0.25 12.11 1997.16 494.16 Average: 12.87 0.58 6.46 5.83 346.10 1758.70 126146.44 00:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:12 8061308 11391184 4570304 27.91 115196 3379332 4700340 26.98 761844 7199876 136 00:50:12 9320228 13167456 2790984 17.05 129348 3851720 3016300 17.31 824812 5827512 44 Average: 8690768 12279320 3680644 22.48 122272 3615526 3858320 22.15 793328 6513694 90 00:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:12 lo 0.66 0.66 0.39 0.39 0.00 0.00 0.00 0.00 00:40:12 ens3 28.30 18.34 268.30 3.34 0.00 0.00 0.00 0.00 00:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:12 lo 80.57 80.57 76.37 76.37 0.00 0.00 0.00 0.00 00:50:12 ens3 41.78 28.36 426.88 3.93 0.00 0.00 0.00 0.00 00:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 40.62 40.62 38.38 38.38 0.00 0.00 0.00 0.00 Average: ens3 35.04 23.35 347.59 3.64 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-3397) 10/14/25 _x86_64_ (4 CPU) 00:26:38 LINUX RESTART (4 CPU) 00:30:12 CPU %user %nice %system %iowait %steal %idle 00:40:12 all 50.41 0.00 0.98 0.23 0.10 48.28 00:40:12 0 43.29 0.00 1.00 0.18 0.10 55.43 00:40:12 1 50.40 0.00 1.18 0.21 0.10 48.10 00:40:12 2 52.87 0.00 0.92 0.41 0.09 45.70 00:40:12 3 55.09 0.00 0.81 0.12 0.10 43.88 00:50:12 all 47.62 0.00 0.89 0.09 0.09 51.31 00:50:12 0 37.43 0.00 1.12 0.14 0.09 61.22 00:50:12 1 52.13 0.00 0.82 0.06 0.10 46.89 00:50:12 2 61.42 0.00 0.81 0.02 0.10 37.65 00:50:12 3 39.52 0.00 0.82 0.14 0.08 59.44 Average: all 49.02 0.00 0.93 0.16 0.09 49.79 Average: 0 40.36 0.00 1.06 0.16 0.09 58.33 Average: 1 51.27 0.00 1.00 0.14 0.10 47.50 Average: 2 57.14 0.00 0.86 0.22 0.10 41.68 Average: 3 47.32 0.00 0.81 0.13 0.09 51.65