---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5031 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 645 10592 4 4750 15001 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:c2:32:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84151sec preferred_lft 84151sec inet6 fe80::f816:3eff:fec2:3288/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:bc:53:f7:71:78 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-5031) 01/27/26 _x86_64_ (4 CPU) 15:37:24 LINUX RESTART (4 CPU) 15:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:10 4.91 0.24 4.53 0.14 206.92 616.92 430.29 16:00:01 11.91 2.01 9.07 0.83 132.46 2511.66 307.81 16:10:11 25.83 0.83 20.98 4.02 24.42 3428.86 3880.00 Average: 14.28 1.02 11.58 1.68 120.73 2190.06 1557.81 15:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:10 13100968 15519736 458812 2.80 97792 2513624 983564 5.65 392540 2549676 12 16:00:01 10669052 13893164 2067448 12.63 126944 3233108 2391148 13.73 606596 4727732 47852 16:10:11 10917084 15410168 542304 3.31 165796 4367936 1061016 6.09 957840 3998436 390168 Average: 11562368 14941023 1022855 6.25 130177 3371556 1478576 8.49 652325 3758615 146011 15:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:10 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 15:50:10 ens3 10.89 7.81 181.05 1.21 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1.18 1.18 0.12 0.12 0.00 0.00 0.00 0.00 16:00:01 ens3 74.83 60.67 504.95 16.71 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:11 lo 1521.35 1521.35 1449.76 1449.76 0.00 0.00 0.00 0.00 16:10:11 ens3 88.67 65.33 421.91 24.72 0.00 0.00 0.00 0.00 16:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 515.38 515.38 490.77 490.77 0.00 0.00 0.00 0.00 Average: ens3 58.18 44.61 368.79 14.25 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-5031) 01/27/26 _x86_64_ (4 CPU) 15:37:24 LINUX RESTART (4 CPU) 15:40:09 CPU %user %nice %system %iowait %steal %idle 15:50:10 all 0.21 0.00 0.08 0.26 0.02 99.43 15:50:10 0 0.18 0.00 0.10 0.33 0.02 99.37 15:50:10 1 0.13 0.00 0.05 0.54 0.02 99.26 15:50:10 2 0.11 0.00 0.06 0.03 0.02 99.78 15:50:10 3 0.41 0.00 0.12 0.14 0.02 99.31 16:00:01 all 58.16 0.00 1.94 0.08 0.11 39.70 16:00:01 0 57.01 0.00 1.82 0.06 0.12 41.00 16:00:01 1 59.60 0.00 2.04 0.06 0.11 38.19 16:00:01 2 58.24 0.00 1.90 0.07 0.11 39.67 16:00:01 3 57.78 0.00 2.01 0.14 0.12 39.95 16:10:11 all 68.59 0.00 2.78 0.38 0.14 28.11 16:10:11 0 68.50 0.00 2.72 0.63 0.14 28.01 16:10:11 1 66.73 0.00 2.58 0.45 0.15 30.10 16:10:11 2 68.75 0.00 2.59 0.16 0.14 28.36 16:10:11 3 70.38 0.00 3.21 0.30 0.14 25.98 Average: all 42.31 0.00 1.60 0.24 0.09 55.75 Average: 0 41.91 0.00 1.55 0.34 0.09 56.10 Average: 1 42.15 0.00 1.56 0.35 0.09 55.85 Average: 2 42.36 0.00 1.52 0.09 0.09 55.95 Average: 3 42.85 0.00 1.79 0.19 0.09 55.09