---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61138 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: 5600.00 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 11G 67G 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 672 10276 4 5039 14973 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:61:b6:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84973sec preferred_lft 84973sec inet6 fe80::f816:3eff:fe61:b621/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:8c:04:8f:62:91 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-61138) 10/01/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 37.41 2.98 19.54 14.89 168.40 5034.67 240012.81 15:00:14 28.05 0.93 23.50 3.62 33.78 4423.84 1747.97 Average: 32.69 1.95 21.54 9.20 100.50 4726.59 119838.77 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 10052824 13681728 2275088 13.90 142384 3595932 2834408 16.27 631152 5271164 35148 15:00:14 10575572 15375136 573164 3.50 174660 4648756 1144372 6.57 938144 4337992 4 Average: 10314198 14528432 1424126 8.70 158522 4122344 1989390 11.42 784648 4804578 17576 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 3.17 3.17 0.33 0.33 0.00 0.00 0.00 0.00 14:50:02 ens3 181.32 132.50 811.00 25.49 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:14 lo 1571.49 1571.49 1489.91 1489.91 0.00 0.00 0.00 0.00 15:00:14 ens3 107.97 92.40 439.35 116.53 0.00 0.00 0.00 0.00 15:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 794.19 794.19 751.63 751.63 0.00 0.00 0.00 0.00 Average: ens3 144.32 112.27 623.55 71.41 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-61138) 10/01/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 69.26 0.00 2.66 0.12 0.03 27.93 14:50:02 0 70.69 0.00 2.71 0.18 0.03 26.40 14:50:02 1 69.28 0.00 2.40 0.09 0.03 28.21 14:50:02 2 66.30 0.00 2.84 0.14 0.03 30.69 14:50:02 3 70.80 0.00 2.68 0.09 0.02 26.42 15:00:14 all 54.08 0.00 2.44 0.10 0.02 43.36 15:00:14 0 53.54 0.00 2.81 0.17 0.02 43.47 15:00:14 1 53.26 0.00 2.39 0.08 0.02 44.26 15:00:14 2 54.51 0.00 2.22 0.12 0.02 43.14 15:00:14 3 55.02 0.00 2.35 0.05 0.02 42.56 Average: all 61.60 0.00 2.55 0.11 0.02 35.71 Average: 0 62.04 0.00 2.76 0.17 0.02 35.01 Average: 1 61.19 0.00 2.40 0.09 0.02 36.31 Average: 2 60.35 0.00 2.53 0.13 0.02 36.97 Average: 3 62.84 0.00 2.51 0.07 0.02 34.56