---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 721 9473 4 5794 14924 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:68:41:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83694sec preferred_lft 83694sec inet6 fe80::f816:3eff:fe68:41fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:c8:30:b9:94:18 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-4) 09/04/26 _x86_64_ (4 CPU) 13:59:39 LINUX RESTART (4 CPU) 14:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:18 40.98 8.31 31.97 0.70 1321.69 6491.58 1784.31 14:20:18 20.48 2.55 16.58 1.34 146.72 4592.33 4319.75 14:30:03 31.52 0.06 27.97 3.49 1.74 3054.04 41934.01 14:40:01 19.85 0.18 17.25 2.42 10.76 5985.04 2836.35 Average: 28.29 2.84 23.48 1.97 379.95 5053.88 12455.07 14:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:18 13062580 15505940 471640 2.88 94728 2541732 1013236 5.82 296536 2687544 1804 14:20:18 8944100 12890024 3064888 18.72 158884 3865692 3327156 19.10 732380 6261972 189808 14:30:03 9012364 13325936 2625420 16.04 188516 4166776 2793368 16.03 842952 6015272 15204 14:40:01 9803920 15374584 571532 3.49 210392 5331044 1130820 6.49 939212 5062116 212 Average: 10205741 14274121 1683370 10.28 163130 3976311 2066145 11.86 702770 5006726 51757 14:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:18 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 14:10:18 ens3 59.39 46.94 325.55 10.67 0.00 0.00 0.00 0.00 14:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:18 lo 840.63 840.63 801.19 801.19 0.00 0.00 0.00 0.00 14:20:18 ens3 136.96 108.16 871.78 26.02 0.00 0.00 0.00 0.00 14:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:03 lo 1878.11 1878.11 1790.17 1790.17 0.00 0.00 0.00 0.00 14:30:03 ens3 42.62 33.61 163.71 10.91 0.00 0.00 0.00 0.00 14:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 101.69 101.69 95.57 95.57 0.00 0.00 0.00 0.00 14:40:01 ens3 39.28 34.32 108.85 13.40 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 692.71 692.71 659.84 659.84 0.00 0.00 0.00 0.00 Average: ens3 69.67 55.84 368.58 15.24 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-4) 09/04/26 _x86_64_ (4 CPU) 13:59:39 LINUX RESTART (4 CPU) 14:00:00 CPU %user %nice %system %iowait %steal %idle 14:10:18 all 3.16 0.00 0.49 0.44 0.00 95.91 14:10:18 0 2.41 0.00 0.43 0.40 0.00 96.75 14:10:18 1 2.12 0.00 0.29 0.18 0.00 97.41 14:10:18 2 1.56 0.00 0.42 0.35 0.00 97.67 14:10:18 3 6.53 0.00 0.81 0.83 0.00 91.83 14:20:18 all 50.03 0.00 2.02 0.09 0.01 47.84 14:20:18 0 49.41 0.00 2.09 0.12 0.02 48.37 14:20:18 1 48.62 0.00 1.87 0.08 0.01 49.41 14:20:18 2 49.68 0.00 1.83 0.06 0.01 48.41 14:20:18 3 52.41 0.00 2.31 0.09 0.02 45.18 14:30:03 all 54.14 0.00 2.65 1.22 0.03 41.96 14:30:03 0 51.26 0.00 2.48 0.42 0.03 45.81 14:30:03 1 55.26 0.00 2.45 2.50 0.04 39.75 14:30:03 2 52.62 0.00 2.51 0.81 0.02 44.04 14:30:03 3 57.43 0.00 3.17 1.16 0.03 38.22 14:40:01 all 45.84 0.00 1.78 0.11 0.04 52.24 14:40:01 0 42.52 0.00 1.45 0.12 0.04 55.87 14:40:01 1 44.70 0.00 1.69 0.17 0.04 53.40 14:40:01 2 51.23 0.00 2.14 0.09 0.04 46.51 14:40:01 3 44.92 0.00 1.82 0.06 0.04 53.16 Average: all 37.91 0.00 1.72 0.46 0.02 59.89 Average: 0 36.05 0.00 1.60 0.27 0.02 62.07 Average: 1 37.29 0.00 1.56 0.72 0.02 60.41 Average: 2 38.41 0.00 1.71 0.32 0.02 59.54 Average: 3 39.90 0.00 2.01 0.53 0.02 57.54