---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47031 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 13G 66G 16% / 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 652 8649 4 6687 14993 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:b0:46:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83415sec preferred_lft 83415sec inet6 fe80::f816:3eff:feb0:46a7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:06:71:f6:bb:ce 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-47031) 09/03/26 _x86_64_ (4 CPU) 05:23:26 LINUX RESTART (4 CPU) 05:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 18.58 2.92 14.08 1.58 158.01 3086.91 5886.14 05:50:09 22.05 0.05 19.55 2.46 5.09 2063.95 5778.99 06:00:09 27.82 0.03 25.04 2.74 0.89 4155.15 10346.24 06:10:01 9.75 0.17 8.39 1.19 10.51 6071.93 2700.56 Average: 19.59 0.78 16.81 2.00 43.22 3834.01 6188.69 05:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 10105352 13621888 2337924 14.28 132696 3521360 2714032 15.58 650168 5251316 21160 05:50:09 8217476 12338196 3616540 22.09 155548 4054692 3593464 20.63 819608 6912632 181708 06:00:09 7293996 12222704 3728548 22.77 175116 4807828 3600364 20.67 1061632 7544476 56 06:10:01 8860784 15347908 598016 3.65 191688 6298788 1126096 6.46 1658944 5299888 212 Average: 8619402 13382674 2570257 15.70 163762 4670667 2758489 15.83 1047588 6252078 50784 05:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 735.95 735.95 701.19 701.19 0.00 0.00 0.00 0.00 05:40:01 ens3 153.54 121.05 1037.70 19.00 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1296.87 1296.87 1229.49 1229.49 0.00 0.00 0.00 0.00 05:50:09 ens3 24.13 20.38 20.24 9.52 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:09 lo 1187.24 1187.24 1125.39 1125.39 0.00 0.00 0.00 0.00 06:00:09 ens3 29.43 23.09 39.12 11.43 0.00 0.00 0.00 0.00 06:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 lo 362.90 362.90 6929.13 6929.13 0.00 0.00 0.00 0.00 06:10:01 ens3 112.99 104.14 118.26 987.01 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 899.29 899.29 2483.95 2483.95 0.00 0.00 0.00 0.00 Average: ens3 79.49 66.72 301.05 254.39 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-47031) 09/03/26 _x86_64_ (4 CPU) 05:23:26 LINUX RESTART (4 CPU) 05:30:09 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 29.41 0.00 1.48 0.08 0.01 69.01 05:40:01 0 28.31 0.00 1.61 0.13 0.01 69.94 05:40:01 1 30.87 0.00 1.59 0.04 0.02 67.48 05:40:01 2 29.26 0.00 1.16 0.05 0.01 69.51 05:40:01 3 29.21 0.00 1.54 0.12 0.01 69.11 05:50:09 all 62.97 0.00 2.47 0.06 0.03 34.47 05:50:09 0 63.58 0.00 2.52 0.04 0.03 33.83 05:50:09 1 63.19 0.00 2.48 0.06 0.03 34.25 05:50:09 2 61.76 0.00 2.44 0.09 0.02 35.68 05:50:09 3 63.33 0.00 2.46 0.07 0.03 34.10 06:00:09 all 51.43 0.00 2.42 0.13 0.02 45.99 06:00:09 0 53.19 0.00 2.52 0.13 0.03 44.13 06:00:09 1 51.80 0.00 2.39 0.20 0.02 45.59 06:00:09 2 50.52 0.00 2.25 0.07 0.02 47.13 06:00:09 3 50.21 0.00 2.52 0.13 0.03 47.11 06:10:01 all 24.39 0.00 1.03 0.14 0.01 74.42 06:10:01 0 27.86 0.00 0.93 0.10 0.01 71.10 06:10:01 1 24.45 0.00 1.04 0.28 0.02 74.21 06:10:01 2 23.70 0.00 1.07 0.06 0.02 75.16 06:10:01 3 21.54 0.00 1.10 0.14 0.01 77.21 Average: all 42.20 0.00 1.86 0.10 0.02 55.81 Average: 0 43.40 0.00 1.90 0.10 0.02 54.58 Average: 1 42.73 0.00 1.88 0.14 0.02 55.22 Average: 2 41.46 0.00 1.74 0.07 0.02 56.72 Average: 3 41.22 0.00 1.91 0.11 0.02 56.73