---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3298 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 11G 67G 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 628 10451 4 4909 15018 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:39:35:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84713sec preferred_lft 84713sec inet6 fe80::f816:3eff:fe39:35e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:21:1d:0e:ba:34 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-3298) 10/29/25 _x86_64_ (4 CPU) 15:02:07 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 3.18 0.05 2.96 0.16 6.65 501.54 22.60 15:30:07 25.11 0.63 21.91 2.58 30.61 6161.76 13945.28 Average: 14.20 0.34 12.48 1.37 18.69 3345.82 7018.80 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9308244 12445156 3517844 21.49 112664 3189960 3672680 21.08 671120 6042080 264 15:30:07 10658592 15332552 624408 3.81 136012 4643716 1106256 6.35 1051072 4236912 15092 Average: 9983418 13888854 2071126 12.65 124338 3916838 2389468 13.72 861096 5139496 7678 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 15:20:01 ens3 10.03 7.59 38.45 1.76 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:07 lo 497.49 497.49 473.43 473.43 0.00 0.00 0.00 0.00 15:30:07 ens3 46.87 36.94 480.96 17.83 0.00 0.00 0.00 0.00 15:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.28 250.28 238.08 238.08 0.00 0.00 0.00 0.00 Average: ens3 28.54 22.33 260.81 9.84 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-3298) 10/29/25 _x86_64_ (4 CPU) 15:02:07 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 47.38 0.00 0.67 0.15 0.11 51.68 15:20:01 0 36.13 0.00 0.81 0.31 0.11 62.64 15:20:01 1 40.27 0.00 0.63 0.08 0.10 58.92 15:20:01 2 48.45 0.00 0.64 0.14 0.12 50.66 15:20:01 3 64.67 0.00 0.62 0.08 0.12 34.50 15:30:07 all 49.82 0.00 1.57 0.37 0.10 48.14 15:30:07 0 40.37 0.00 1.47 0.47 0.10 57.58 15:30:07 1 43.84 0.00 1.52 0.42 0.10 54.13 15:30:07 2 41.16 0.00 1.55 0.27 0.09 56.94 15:30:07 3 73.92 0.00 1.73 0.31 0.12 23.92 Average: all 48.61 0.00 1.12 0.26 0.11 49.90 Average: 0 38.26 0.00 1.14 0.39 0.11 60.10 Average: 1 42.06 0.00 1.08 0.25 0.10 56.52 Average: 2 44.78 0.00 1.10 0.20 0.11 53.81 Average: 3 69.32 0.00 1.18 0.20 0.12 29.19