---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2602 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: 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 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 670 10230 4 5088 14976 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:7b:f8:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84356sec preferred_lft 84356sec inet6 fe80::f816:3eff:fe7b:f8c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:79:bf:d1:18:0e 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-2602) 01/21/26 _x86_64_ (4 CPU) 09:12:29 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:16 12.87 1.84 10.34 0.69 122.57 2256.24 239.50 09:40:01 28.13 0.85 23.93 3.35 27.74 3443.50 11445.28 Average: 20.31 1.36 16.96 1.99 76.36 2834.77 5699.86 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:16 10062516 13559396 2399448 14.65 130776 3502200 2662020 15.28 763184 5169056 18228 09:40:01 8664000 13067676 2882840 17.61 169744 4290432 3524620 20.23 1004776 6244804 26064 Average: 9363258 13313536 2641144 16.13 150260 3896316 3093320 17.76 883980 5706930 22146 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:16 lo 0.96 0.96 0.10 0.10 0.00 0.00 0.00 0.00 09:30:16 ens3 70.75 56.59 463.77 15.29 0.00 0.00 0.00 0.00 09:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1611.67 1611.67 1535.46 1535.46 0.00 0.00 0.00 0.00 09:40:01 ens3 80.78 59.13 385.35 16.96 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 785.83 785.83 748.25 748.25 0.00 0.00 0.00 0.00 Average: ens3 75.64 57.83 425.56 16.10 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-2602) 01/21/26 _x86_64_ (4 CPU) 09:12:29 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:16 all 48.99 0.00 1.64 0.31 0.09 48.97 09:30:16 0 47.25 0.00 1.81 0.53 0.09 50.31 09:30:16 1 51.12 0.00 1.57 0.29 0.09 46.93 09:30:16 2 47.87 0.00 1.54 0.17 0.09 50.33 09:30:16 3 49.70 0.00 1.64 0.24 0.09 48.32 09:40:01 all 66.64 0.00 2.61 0.13 0.11 30.52 09:40:01 0 67.95 0.00 2.41 0.13 0.11 29.39 09:40:01 1 64.72 0.00 2.29 0.10 0.10 32.79 09:40:01 2 66.93 0.00 2.47 0.07 0.10 30.42 09:40:01 3 66.97 0.00 3.24 0.21 0.11 29.47 Average: all 57.59 0.00 2.11 0.22 0.10 39.98 Average: 0 57.35 0.00 2.10 0.34 0.10 40.11 Average: 1 57.74 0.00 1.92 0.20 0.10 40.05 Average: 2 57.16 0.00 1.99 0.12 0.10 40.63 Average: 3 58.13 0.00 2.42 0.23 0.10 39.12