---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16230 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 751 9257 4 5980 14895 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:9a:f9:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83981sec preferred_lft 83981sec inet6 fe80::f816:3eff:fe9a:f9b9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:e8:64:4d:8d:8f 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-16230) 12/24/25 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:16 15.30 2.25 11.96 1.09 133.31 3683.87 1729.75 20:50:17 59.28 0.31 47.20 11.76 10.52 4041.85 19588.06 21:00:15 34.07 0.14 28.20 5.74 6.47 4980.01 5427.80 Average: 36.08 0.91 29.01 6.16 50.71 4230.63 8871.09 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:16 8954596 12829124 3126544 19.10 168932 3795364 3506584 20.13 839208 6144816 104392 20:50:17 8461872 13110608 2838428 17.34 206276 4473776 3160868 18.14 1011448 6416228 107100 21:00:15 9607900 15362548 581832 3.55 242684 5482364 1113592 6.39 1399048 4797608 48 Average: 9008123 13767427 2182268 13.33 205964 4583835 2593681 14.89 1083235 5786217 70513 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:16 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 20:40:16 ens3 93.12 75.83 442.11 21.09 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:17 lo 5597.27 5597.27 5335.66 5335.66 0.00 0.00 0.00 0.00 20:50:17 ens3 89.77 67.33 246.58 20.87 0.00 0.00 0.00 0.00 20:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:15 lo 2509.78 2509.78 2382.66 2382.66 0.00 0.00 0.00 0.00 21:00:15 ens3 92.72 85.98 111.07 127.86 0.00 0.00 0.00 0.00 21:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2684.87 2684.87 2555.75 2555.75 0.00 0.00 0.00 0.00 Average: ens3 91.88 76.36 267.95 56.28 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-16230) 12/24/25 _x86_64_ (4 CPU) 20:24:25 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 67.55 0.00 2.38 0.05 0.10 29.92 20:40:16 0 69.00 0.00 2.34 0.04 0.10 28.52 20:40:16 1 67.94 0.00 2.69 0.08 0.10 29.19 20:40:16 2 67.19 0.00 2.30 0.05 0.10 30.35 20:40:16 3 66.05 0.00 2.20 0.03 0.09 31.62 20:50:17 all 61.10 0.00 4.18 0.12 0.10 34.51 20:50:17 0 58.98 0.00 4.25 0.13 0.10 36.54 20:50:17 1 62.20 0.00 4.00 0.12 0.11 33.58 20:50:17 2 61.80 0.00 4.43 0.11 0.09 33.57 20:50:17 3 61.41 0.00 4.04 0.10 0.11 34.34 21:00:15 all 49.79 0.00 2.69 0.11 0.09 47.32 21:00:15 0 49.78 0.00 2.77 0.07 0.09 47.29 21:00:15 1 52.15 0.00 2.73 0.14 0.10 44.87 21:00:15 2 52.05 0.00 2.90 0.06 0.10 44.90 21:00:15 3 45.19 0.00 2.35 0.17 0.09 52.21 Average: all 59.54 0.00 3.08 0.09 0.10 37.19 Average: 0 59.33 0.00 3.12 0.08 0.09 37.38 Average: 1 60.82 0.00 3.14 0.11 0.10 35.83 Average: 2 60.40 0.00 3.20 0.07 0.10 36.23 Average: 3 57.62 0.00 2.86 0.10 0.10 39.33