---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24786 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 736 9328 4 5924 14910 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:2f:ba:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84184sec preferred_lft 84184sec inet6 fe80::f816:3eff:fe2f:ba5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:89:2d:3d:11:d7 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-24786) 01/09/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:15 26.39 0.45 22.67 3.27 15.49 4543.79 11916.08 20:50:16 53.10 0.00 42.07 11.02 0.03 2678.82 27016.44 21:00:12 21.74 0.14 18.45 3.15 6.50 4451.23 5550.73 Average: 33.75 0.20 27.74 5.81 7.37 3891.79 14844.34 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:15 9197800 13424428 2527008 15.43 183312 4106256 2739084 15.72 908448 5805016 11500 20:50:16 8328792 12978860 2968408 18.13 213312 4458400 3187940 18.30 1019288 6525092 56604 21:00:12 9759412 15460160 482504 2.95 241460 5430768 990428 5.69 1372984 4674792 184 Average: 9095335 13954483 1992640 12.17 212695 4665141 2305817 13.24 1100240 5668300 22763 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:15 lo 1291.57 1291.57 1230.40 1230.40 0.00 0.00 0.00 0.00 20:40:15 ens3 84.29 66.23 299.35 19.89 0.00 0.00 0.00 0.00 20:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:16 lo 5332.57 5332.57 5082.81 5082.81 0.00 0.00 0.00 0.00 20:50:16 ens3 74.27 55.61 26.70 20.16 0.00 0.00 0.00 0.00 20:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:12 lo 1339.70 1339.70 1253.71 1253.71 0.00 0.00 0.00 0.00 21:00:12 ens3 145.92 148.20 154.90 599.89 0.00 0.00 0.00 0.00 21:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2653.95 2653.95 2521.74 2521.74 0.00 0.00 0.00 0.00 Average: ens3 101.31 89.78 160.77 211.63 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-24786) 01/09/26 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:15 all 66.51 0.00 2.85 0.07 0.09 30.49 20:40:15 0 64.69 0.00 2.67 0.05 0.09 32.49 20:40:15 1 66.29 0.00 2.98 0.06 0.09 30.58 20:40:15 2 67.72 0.00 3.29 0.10 0.09 28.80 20:40:15 3 67.35 0.00 2.45 0.05 0.09 30.07 20:50:16 all 61.17 0.00 4.15 0.11 0.08 34.49 20:50:16 0 61.51 0.00 4.12 0.08 0.08 34.21 20:50:16 1 61.47 0.00 4.54 0.16 0.08 33.76 20:50:16 2 60.30 0.00 3.91 0.11 0.08 35.61 20:50:16 3 61.40 0.00 4.03 0.10 0.08 34.39 21:00:12 all 40.95 0.00 1.92 0.12 0.08 56.93 21:00:12 0 43.71 0.00 1.72 0.17 0.08 54.32 21:00:12 1 40.16 0.00 1.94 0.06 0.07 57.76 21:00:12 2 40.64 0.00 2.27 0.07 0.08 56.94 21:00:12 3 39.29 0.00 1.75 0.19 0.08 58.69 Average: all 56.28 0.00 2.97 0.10 0.08 40.56 Average: 0 56.70 0.00 2.84 0.10 0.08 40.28 Average: 1 56.04 0.00 3.15 0.09 0.08 40.63 Average: 2 56.30 0.00 3.16 0.09 0.08 40.37 Average: 3 56.09 0.00 2.74 0.11 0.08 40.97