---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6032 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 11G 68G 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 688 10326 4 4974 14958 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:08:e1:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84455sec preferred_lft 84455sec inet6 fe80::f816:3eff:fe08:e1e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:c5:c0:26:a8:25 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-6032) 01/30/26 _x86_64_ (4 CPU) 14:58:48 LINUX RESTART (4 CPU) 15:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:06 34.26 3.17 16.74 14.35 563.54 3422.64 256929.53 15:20:09 11.27 0.47 9.73 1.07 14.95 2467.06 2848.91 15:30:06 28.03 0.59 23.64 3.80 21.03 3738.46 5458.06 Average: 24.48 1.41 16.68 6.39 199.40 3207.13 88206.42 15:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:06 11244120 14310252 1652028 10.09 116052 3116148 2295632 13.18 639980 4139060 29584 15:20:09 9543364 13331296 2624324 16.03 149772 3734020 2835984 16.28 820540 5602292 20592 15:30:06 10706772 15439716 509544 3.11 172184 4596436 984052 5.65 1074032 4089004 172 Average: 10498085 14360421 1595299 9.74 146003 3815535 2038556 11.70 844851 4610119 16783 15:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:06 lo 0.56 0.56 0.05 0.05 0.00 0.00 0.00 0.00 15:10:06 ens3 68.96 54.01 826.90 9.85 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:09 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 15:20:09 ens3 68.95 50.79 139.86 17.39 0.00 0.00 0.00 0.00 15:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:06 lo 1537.21 1537.21 1452.58 1452.58 0.00 0.00 0.00 0.00 15:30:06 ens3 108.26 96.83 414.35 172.12 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 511.24 511.24 482.55 482.55 0.00 0.00 0.00 0.00 Average: ens3 82.01 67.15 459.50 66.27 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-6032) 01/30/26 _x86_64_ (4 CPU) 14:58:48 LINUX RESTART (4 CPU) 15:00:09 CPU %user %nice %system %iowait %steal %idle 15:10:06 all 20.41 0.00 0.95 0.25 0.05 78.34 15:10:06 0 19.38 0.00 0.77 0.15 0.04 79.66 15:10:06 1 20.22 0.00 0.88 0.33 0.05 78.53 15:10:06 2 23.83 0.00 0.97 0.32 0.05 74.83 15:10:06 3 18.21 0.00 1.17 0.21 0.05 80.36 15:20:09 all 72.17 0.00 2.24 0.21 0.13 25.25 15:20:09 0 72.06 0.00 2.36 0.37 0.13 25.08 15:20:09 1 73.29 0.00 2.28 0.09 0.13 24.21 15:20:09 2 71.53 0.00 2.26 0.26 0.13 25.82 15:20:09 3 71.81 0.00 2.06 0.12 0.12 25.88 15:30:06 all 44.74 0.00 2.05 0.13 0.08 53.01 15:30:06 0 39.93 0.00 1.95 0.21 0.08 57.84 15:30:06 1 48.60 0.00 2.29 0.10 0.08 48.92 15:30:06 2 45.65 0.00 2.18 0.14 0.08 51.95 15:30:06 3 44.77 0.00 1.76 0.06 0.09 53.32 Average: all 45.83 0.00 1.74 0.20 0.09 52.14 Average: 0 43.86 0.00 1.69 0.25 0.08 54.12 Average: 1 47.43 0.00 1.82 0.17 0.09 50.49 Average: 2 47.04 0.00 1.80 0.24 0.09 50.84 Average: 3 45.00 0.00 1.67 0.13 0.09 53.11