---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3865 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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 16G 62G 21% / 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 640 6501 3 8847 15006 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:45:6f:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.104/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85040sec preferred_lft 85040sec inet6 fe80::f816:3eff:fe45:6f0f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:1a:ee:d2:33:61 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-3865) 04/05/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:00 97.05 2.57 93.11 1.38 155.93 18007.65 4174.83 05:40:00 203.83 0.87 192.94 10.02 30.97 11083.81 67084.98 Average: 150.45 1.72 143.03 5.70 93.45 14545.50 35632.00 05:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:00 5594212 13189860 2738052 16.72 299088 7055840 2688008 15.43 1292180 8674980 618728 05:40:00 6656136 15364148 561112 3.43 327756 8157852 1091876 6.27 2085928 6855084 13236 Average: 6125174 14277004 1649582 10.07 313422 7606846 1889942 10.85 1689054 7765032 315982 05:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:00 lo 0.75 0.75 0.20 0.20 0.00 0.00 0.00 0.00 05:30:00 ens3 241.03 174.26 1798.68 34.50 0.00 0.00 0.00 0.00 05:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:00 lo 17.61 17.61 3.53 3.53 0.00 0.00 0.00 0.00 05:40:00 ens3 91.82 101.59 109.12 662.18 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.18 9.18 1.87 1.87 0.00 0.00 0.00 0.00 Average: ens3 166.42 137.92 953.84 348.36 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 5.15.0-171-generic (prd-ubuntu2204-docker-v1-8c-8g-3865) 04/05/26 _x86_64_ (4 CPU) 05:17:28 LINUX RESTART (4 CPU) 05:20:00 CPU %user %nice %system %iowait %steal %idle 05:30:00 all 40.30 0.00 3.93 0.31 0.07 55.39 05:30:00 0 43.72 0.00 4.49 0.27 0.07 51.45 05:30:00 1 37.93 0.00 3.83 0.45 0.07 57.71 05:30:00 2 40.54 0.00 3.40 0.26 0.07 55.73 05:30:00 3 38.99 0.00 3.99 0.25 0.08 56.69 05:40:00 all 38.21 0.00 2.47 0.23 0.08 59.01 05:40:00 0 34.18 0.00 2.20 0.10 0.08 63.45 05:40:00 1 40.96 0.00 2.58 0.34 0.08 56.04 05:40:00 2 40.71 0.00 2.64 0.27 0.08 56.30 05:40:00 3 37.01 0.00 2.48 0.21 0.07 60.23 Average: all 39.25 0.00 3.20 0.27 0.08 57.20 Average: 0 38.94 0.00 3.34 0.19 0.07 57.46 Average: 1 39.45 0.00 3.21 0.40 0.07 56.87 Average: 2 40.62 0.00 3.02 0.26 0.08 56.02 Average: 3 38.00 0.00 3.23 0.23 0.08 58.47