---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17842 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 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 631 10440 4 4917 15015 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:49:4c:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84812sec preferred_lft 84812sec inet6 fe80::f816:3eff:fe49:4cc5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:20:ba:4a:a6:66 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-17842) 01/01/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:06 34.89 13.60 8.27 13.01 606.01 2220.15 240209.80 20:30:01 9.80 0.54 8.76 0.51 19.67 1622.52 506.13 Average: 22.40 7.10 8.52 6.79 314.09 1922.60 120866.49 20:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:06 9162372 12270748 3692044 22.55 113916 3150184 3874588 22.24 684932 6171460 2004 20:30:01 9251336 13049764 2909556 17.77 135088 3781680 3068344 17.61 872120 5851888 272148 Average: 9206854 12660256 3300800 20.16 124502 3465932 3471466 19.93 778526 6011674 137076 20:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:06 lo 0.67 0.67 0.39 0.39 0.00 0.00 0.00 0.00 20:20:06 ens3 26.13 20.54 294.78 3.73 0.00 0.00 0.00 0.00 20:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 183.40 183.40 173.92 173.92 0.00 0.00 0.00 0.00 20:30:01 ens3 34.06 24.85 412.52 3.46 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 91.65 91.65 86.79 86.79 0.00 0.00 0.00 0.00 Average: ens3 30.08 22.69 353.40 3.60 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-17842) 01/01/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:06 CPU %user %nice %system %iowait %steal %idle 20:20:06 all 49.43 0.08 0.94 0.15 0.08 49.32 20:20:06 0 47.81 0.26 0.95 0.28 0.09 50.62 20:20:06 1 47.21 0.05 0.92 0.22 0.08 51.52 20:20:06 2 60.37 0.00 0.95 0.06 0.08 38.54 20:20:06 3 42.35 0.00 0.93 0.05 0.07 56.60 20:30:01 all 46.98 0.00 0.86 0.05 0.08 52.03 20:30:01 0 41.14 0.00 0.88 0.05 0.07 57.86 20:30:01 1 65.39 0.00 0.83 0.07 0.08 33.64 20:30:01 2 47.64 0.00 1.07 0.08 0.09 51.13 20:30:01 3 33.75 0.00 0.68 0.01 0.07 65.49 Average: all 48.21 0.04 0.90 0.10 0.08 50.67 Average: 0 44.49 0.13 0.91 0.16 0.08 54.22 Average: 1 56.26 0.02 0.88 0.15 0.08 42.61 Average: 2 54.02 0.00 1.01 0.07 0.08 44.82 Average: 3 38.07 0.00 0.81 0.03 0.07 61.03