---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17956 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 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 732 9448 4 5808 14914 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:10:e3:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84031sec preferred_lft 84031sec inet6 fe80::f816:3eff:fe10:e322/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f4:47:3f:34:1b 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-17956) 01/02/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 14.99 2.29 11.58 1.12 136.00 3694.85 2338.35 20:50:09 59.51 0.32 48.40 10.79 10.52 4105.12 28890.63 21:00:09 32.77 0.14 27.30 5.33 6.47 5156.10 11952.01 Average: 35.76 0.91 29.09 5.75 51.01 4318.51 14394.20 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9447772 13113908 2843384 17.37 163076 3599220 3408928 19.57 778888 5726720 109168 20:50:09 8471300 12942512 3007824 18.37 202356 4304376 3232612 18.56 955720 6464348 122192 21:00:09 9776704 15355796 589540 3.60 242612 5309868 1121960 6.44 1344612 4682300 8 Average: 9231925 13804072 2146916 13.11 202681 4404488 2587833 14.85 1026407 5624456 77123 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 20:40:09 ens3 105.06 80.65 449.43 21.91 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5529.68 5529.68 5271.14 5271.14 0.00 0.00 0.00 0.00 20:50:09 ens3 104.74 74.21 249.10 22.34 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 2455.79 2455.79 2330.19 2330.19 0.00 0.00 0.00 0.00 21:00:09 ens3 107.29 94.43 137.13 146.18 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2662.32 2662.32 2533.87 2533.87 0.00 0.00 0.00 0.00 Average: ens3 105.70 83.09 278.58 63.46 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-17956) 01/02/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 68.91 0.00 2.35 0.07 0.10 28.56 20:40:09 0 66.88 0.00 2.16 0.08 0.11 30.77 20:40:09 1 70.81 0.00 2.27 0.09 0.10 26.73 20:40:09 2 67.65 0.00 2.35 0.06 0.11 29.83 20:40:09 3 70.31 0.00 2.63 0.06 0.10 26.90 20:50:09 all 61.25 0.00 4.10 0.14 0.10 34.42 20:50:09 0 62.79 0.00 4.33 0.12 0.10 32.66 20:50:09 1 60.27 0.00 3.95 0.24 0.10 35.45 20:50:09 2 59.99 0.00 3.79 0.09 0.10 36.03 20:50:09 3 61.94 0.00 4.32 0.11 0.10 33.53 21:00:09 all 49.78 0.00 2.74 0.19 0.08 47.19 21:00:09 0 48.77 0.00 2.73 0.08 0.08 48.33 21:00:09 1 50.26 0.00 2.85 0.16 0.09 46.65 21:00:09 2 51.08 0.00 2.60 0.47 0.09 45.77 21:00:09 3 49.03 0.00 2.80 0.06 0.08 48.03 Average: all 59.98 0.00 3.06 0.14 0.10 36.72 Average: 0 59.48 0.00 3.07 0.10 0.10 37.25 Average: 1 60.44 0.00 3.02 0.16 0.10 36.28 Average: 2 59.57 0.00 2.91 0.21 0.10 37.21 Average: 3 60.43 0.00 3.25 0.08 0.09 36.15