---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12398 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 650 10035 4 5303 14995 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:20:70:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84671sec preferred_lft 84671sec inet6 fe80::f816:3eff:fe20:7035/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:1b:65:ea:ae:2f 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12398) 12/10/25 _x86_64_ (4 CPU) 22:36:31 LINUX RESTART (4 CPU) 22:40:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:50:01 54.86 0.50 45.74 8.63 420.00 2554.77 169553.13 23:00:19 23.82 0.16 20.17 3.49 4.76 1676.23 26430.56 Average: 38.90 0.32 32.59 5.99 206.41 2102.87 95933.27 22:40:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:50:01 9611600 13031768 2927744 17.88 149856 3408364 3172060 18.21 778712 5614572 204 23:00:19 9320308 13083660 2872644 17.54 165908 3712852 2963356 17.01 898332 5746500 24812 Average: 9465954 13057714 2900194 17.71 157882 3560608 3067708 17.61 838522 5680536 12508 22:40:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:50:01 lo 27.43 27.43 6.41 6.41 0.00 0.00 0.00 0.00 22:50:01 ens3 21.44 14.88 234.07 3.72 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:19 lo 1429.68 1429.68 1337.29 1337.29 0.00 0.00 0.00 0.00 23:00:19 ens3 34.29 25.14 249.85 5.21 0.00 0.00 0.00 0.00 23:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 748.73 748.73 690.99 690.99 0.00 0.00 0.00 0.00 Average: ens3 28.05 20.16 242.18 4.49 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12398) 12/10/25 _x86_64_ (4 CPU) 22:36:31 LINUX RESTART (4 CPU) 22:40:19 CPU %user %nice %system %iowait %steal %idle 22:50:01 all 31.21 0.00 1.30 0.46 0.11 66.91 22:50:01 0 31.51 0.00 1.42 0.84 0.11 66.12 22:50:01 1 30.96 0.00 1.17 0.50 0.11 67.25 22:50:01 2 30.73 0.00 1.24 0.33 0.11 67.59 22:50:01 3 31.65 0.00 1.37 0.18 0.12 66.67 23:00:19 all 33.66 0.00 1.79 0.12 0.11 64.32 23:00:19 0 33.15 0.00 1.77 0.06 0.11 64.91 23:00:19 1 33.70 0.00 1.85 0.23 0.12 64.10 23:00:19 2 33.20 0.00 1.74 0.08 0.11 64.86 23:00:19 3 34.58 0.00 1.80 0.12 0.12 63.39 Average: all 32.47 0.00 1.55 0.29 0.11 65.58 Average: 0 32.36 0.00 1.60 0.44 0.11 65.50 Average: 1 32.37 0.00 1.52 0.36 0.12 65.63 Average: 2 32.00 0.00 1.50 0.20 0.11 66.19 Average: 3 33.16 0.00 1.59 0.15 0.12 64.98