---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9703 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 637 10471 4 4880 15009 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:83:b8:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84857sec preferred_lft 84857sec inet6 fe80::f816:3eff:fe83:b8f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:c0:67:b5:9c:6a 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-9703) 12/05/25 _x86_64_ (4 CPU) 15:18:58 LINUX RESTART (4 CPU) 15:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:17 19.50 3.38 15.25 0.88 571.64 3626.96 10650.40 15:40:01 3.08 0.20 2.77 0.11 6.47 445.70 342.55 Average: 11.33 1.80 9.03 0.49 290.19 2042.73 5517.18 15:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:17 9470744 12534340 3428336 20.94 112372 3120780 3711808 21.31 604212 5965624 848 15:40:01 10555452 13752336 2209632 13.50 116708 3239032 2424036 13.91 632664 4819880 11528 Average: 10013098 13143338 2818984 17.22 114540 3179906 3067922 17.61 618438 5392752 6188 15:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:17 lo 0.61 0.61 0.16 0.16 0.00 0.00 0.00 0.00 15:30:17 ens3 65.85 51.95 832.37 8.21 0.00 0.00 0.00 0.00 15:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 0.62 0.62 0.28 0.28 0.00 0.00 0.00 0.00 15:40:01 ens3 7.01 5.71 31.15 1.28 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.61 0.61 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 36.55 28.92 433.37 4.76 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-9703) 12/05/25 _x86_64_ (4 CPU) 15:18:58 LINUX RESTART (4 CPU) 15:20:29 CPU %user %nice %system %iowait %steal %idle 15:30:17 all 51.23 0.00 1.11 0.21 0.08 47.37 15:30:17 0 53.28 0.00 1.01 0.08 0.08 45.54 15:30:17 1 48.29 0.00 1.21 0.31 0.08 50.11 15:30:17 2 54.14 0.00 0.98 0.14 0.08 44.66 15:30:17 3 49.21 0.00 1.25 0.30 0.08 49.16 15:40:01 all 48.28 0.00 0.55 0.02 0.08 51.08 15:40:01 0 52.31 0.00 0.54 0.02 0.08 47.04 15:40:01 1 36.49 0.00 0.44 0.02 0.07 62.98 15:40:01 2 38.47 0.00 0.62 0.01 0.08 60.82 15:40:01 3 65.78 0.00 0.61 0.03 0.08 33.50 Average: all 49.76 0.00 0.83 0.12 0.08 49.21 Average: 0 52.80 0.00 0.78 0.05 0.08 46.29 Average: 1 42.41 0.00 0.83 0.17 0.07 56.52 Average: 2 46.34 0.00 0.80 0.08 0.08 52.70 Average: 3 57.47 0.00 0.93 0.17 0.08 41.35