---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12056 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: 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 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 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 695 9265 4 6028 14951 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:c1:39:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84458sec preferred_lft 84458sec inet6 fe80::f816:3eff:fec1:39ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:07:39:95:f8:3a 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-12056) 12/09/25 _x86_64_ (4 CPU) 19:53:55 LINUX RESTART (4 CPU) 20:00:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:28 12.48 0.02 10.56 1.90 0.62 903.63 28018.48 20:20:28 30.37 0.18 26.48 3.72 5.27 6806.45 27613.85 Average: 21.54 0.10 18.62 2.82 2.97 3892.60 27813.59 20:00:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:28 9209904 12804600 3153868 19.26 128976 3591656 3338688 19.16 863396 5916112 68 20:20:28 6940524 12482544 3467468 21.18 154836 5433036 3486916 20.01 1589024 7360648 70804 Average: 8075214 12643572 3310668 20.22 141906 4512346 3412802 19.59 1226210 6638380 35436 20:00:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:28 lo 43.99 43.99 10.45 10.45 0.00 0.00 0.00 0.00 20:10:28 ens3 11.12 9.75 12.27 3.29 0.00 0.00 0.00 0.00 20:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:28 lo 1509.44 1509.44 1422.39 1422.39 0.00 0.00 0.00 0.00 20:20:28 ens3 63.94 49.72 436.81 11.75 0.00 0.00 0.00 0.00 20:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 786.04 786.04 725.41 725.41 0.00 0.00 0.00 0.00 Average: ens3 37.87 29.99 227.24 7.57 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-12056) 12/09/25 _x86_64_ (4 CPU) 19:53:55 LINUX RESTART (4 CPU) 20:00:43 CPU %user %nice %system %iowait %steal %idle 20:10:28 all 25.17 0.00 0.98 0.07 0.09 73.70 20:10:28 0 23.88 0.00 0.94 0.04 0.08 75.05 20:10:28 1 25.17 0.00 1.07 0.02 0.09 73.64 20:10:28 2 25.60 0.00 1.03 0.18 0.09 73.10 20:10:28 3 26.02 0.00 0.87 0.04 0.08 73.00 20:20:28 all 43.57 0.00 2.20 0.14 0.09 54.01 20:20:28 0 41.47 0.00 2.15 0.30 0.09 55.98 20:20:28 1 43.38 0.00 2.26 0.08 0.10 54.19 20:20:28 2 47.10 0.00 2.25 0.09 0.09 50.47 20:20:28 3 42.31 0.00 2.12 0.08 0.10 55.39 Average: all 34.48 0.00 1.59 0.10 0.09 63.73 Average: 0 32.79 0.00 1.55 0.17 0.09 65.39 Average: 1 34.38 0.00 1.67 0.05 0.09 63.80 Average: 2 36.50 0.00 1.65 0.13 0.09 61.63 Average: 3 34.27 0.00 1.50 0.06 0.09 64.08