---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47376 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 702 9514 4 5771 14943 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:79:43:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84721sec preferred_lft 84721sec inet6 fe80::f816:3eff:fe79:4326/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:b5:4f:9c:ad:8b 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 inet6 fe80::40b5:4fff:fe9c:ad8b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-47376) 09/04/26 _x86_64_ (4 CPU) 06:53:03 LINUX RESTART (4 CPU) 07:00:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:22 3.48 0.06 3.28 0.14 7.15 523.97 456.58 07:20:01 38.55 2.35 33.87 2.33 336.59 8088.96 7704.94 Average: 20.82 1.20 18.40 1.23 170.03 4264.17 4040.24 07:00:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:22 9017848 12448144 3511184 21.44 122452 3442540 3696632 21.22 565612 6411916 76 07:20:01 9804376 15353908 595228 3.64 162512 5422512 1167324 6.70 1080536 4974572 632 Average: 9411112 13901026 2053206 12.54 142482 4432526 2431978 13.96 823074 5693244 354 07:00:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:22 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 07:10:22 ens3 9.11 7.65 45.86 1.95 0.00 0.00 0.00 0.00 07:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 680.91 680.91 648.92 648.92 0.00 0.00 0.00 0.00 07:20:01 ens3 83.39 64.07 755.58 26.51 0.00 0.00 0.00 0.00 07:20:01 docker0 3.07 2.66 18.56 0.53 0.00 0.00 0.00 0.00 Average: lo 336.95 336.95 321.02 321.02 0.00 0.00 0.00 0.00 Average: ens3 45.83 35.55 396.75 14.09 0.00 0.00 0.00 0.00 Average: docker0 1.52 1.32 9.17 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-47376) 09/04/26 _x86_64_ (4 CPU) 06:53:03 LINUX RESTART (4 CPU) 07:00:31 CPU %user %nice %system %iowait %steal %idle 07:10:22 all 46.95 0.00 0.71 0.02 0.02 52.30 07:10:22 0 48.45 0.00 0.70 0.02 0.02 50.82 07:10:22 1 45.53 0.00 0.69 0.02 0.02 53.75 07:10:22 2 36.34 0.00 0.62 0.03 0.01 63.00 07:10:22 3 57.52 0.00 0.84 0.01 0.03 41.61 07:20:01 all 50.40 0.00 2.24 0.23 0.02 47.11 07:20:01 0 46.59 0.00 2.11 0.21 0.02 51.07 07:20:01 1 59.25 0.00 2.27 0.36 0.03 38.09 07:20:01 2 49.14 0.00 2.31 0.14 0.03 48.39 07:20:01 3 46.62 0.00 2.27 0.19 0.02 50.90 Average: all 48.65 0.00 1.47 0.12 0.02 49.74 Average: 0 47.53 0.00 1.39 0.12 0.02 50.94 Average: 1 52.30 0.00 1.47 0.19 0.02 46.03 Average: 2 42.66 0.00 1.46 0.08 0.02 55.78 Average: 3 52.13 0.00 1.55 0.10 0.02 46.20