---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58967 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: 5600.02 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 66G 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 755 9117 4 6115 14890 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:18:ed:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84106sec preferred_lft 84106sec inet6 fe80::f816:3eff:fe18:ed7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:f9:61:30:88:c7 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-58967) 09/26/26 _x86_64_ (4 CPU) 20:24:23 LINUX RESTART (4 CPU) 20:30:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:16 29.67 0.43 25.52 3.72 14.61 4355.77 9691.51 20:50:02 50.02 0.00 39.45 10.57 0.00 2564.63 14548.51 21:00:16 21.47 0.17 18.24 3.06 10.39 4208.70 4050.13 Average: 33.51 0.20 27.58 5.73 8.39 3719.91 9347.42 20:30:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:16 8933448 13462996 2486380 15.19 192848 4378672 3060660 17.57 775968 6193496 81320 20:50:02 8550624 13366108 2580188 15.76 215412 4610748 2814736 16.16 866932 6433856 39440 21:00:16 9463048 15358088 583884 3.57 243984 5606744 1145704 6.58 1227292 5087940 68 Average: 8982373 14062397 1883484 11.50 217415 4865388 2340367 13.43 956731 5905097 40276 20:30:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:16 lo 1869.16 1869.16 1782.23 1782.23 0.00 0.00 0.00 0.00 20:40:16 ens3 89.05 68.86 330.74 21.40 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5634.20 5634.20 5373.66 5373.66 0.00 0.00 0.00 0.00 20:50:02 ens3 72.41 54.51 29.18 22.47 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:16 lo 1684.84 1684.84 1586.07 1586.07 0.00 0.00 0.00 0.00 21:00:16 ens3 109.21 108.55 147.64 179.66 0.00 0.00 0.00 0.00 21:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3036.78 3036.78 2889.05 2889.05 0.00 0.00 0.00 0.00 Average: ens3 90.51 77.76 169.47 75.94 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-58967) 09/26/26 _x86_64_ (4 CPU) 20:24:23 LINUX RESTART (4 CPU) 20:30:23 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 64.58 0.00 3.41 0.08 0.03 31.91 20:40:16 0 66.06 0.00 3.64 0.09 0.04 30.17 20:40:16 1 63.71 0.00 3.51 0.06 0.03 32.70 20:40:16 2 65.32 0.00 3.16 0.10 0.03 31.39 20:40:16 3 63.22 0.00 3.32 0.07 0.02 33.37 20:50:02 all 60.97 0.00 4.60 0.13 0.02 34.28 20:50:02 0 60.75 0.00 4.27 0.08 0.03 34.87 20:50:02 1 59.31 0.00 4.82 0.11 0.03 35.73 20:50:02 2 61.77 0.00 5.08 0.16 0.01 32.98 20:50:02 3 62.03 0.00 4.22 0.18 0.02 33.56 21:00:16 all 40.25 0.00 2.31 0.10 0.01 57.31 21:00:16 0 37.04 0.00 2.22 0.13 0.01 60.60 21:00:16 1 39.72 0.00 2.49 0.04 0.02 57.72 21:00:16 2 44.76 0.00 2.27 0.15 0.01 52.82 21:00:16 3 39.50 0.00 2.27 0.10 0.01 58.11 Average: all 55.06 0.00 3.42 0.10 0.02 41.39 Average: 0 54.38 0.00 3.36 0.10 0.02 42.14 Average: 1 54.05 0.00 3.59 0.07 0.03 42.27 Average: 2 57.12 0.00 3.48 0.14 0.02 39.25 Average: 3 54.71 0.00 3.26 0.11 0.02 41.91