---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62696 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 681 9695 4 5612 14964 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:6c:cd:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84674sec preferred_lft 84674sec inet6 fe80::f816:3eff:fe6c:cdd5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:a1:8f:8f:ab:a8 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62696) 10/07/26 _x86_64_ (4 CPU) 09:18:34 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:20 65.83 3.44 54.28 8.12 196.09 6009.79 179351.61 09:40:08 17.70 0.19 14.99 2.52 5.46 1469.36 25085.30 Average: 42.37 1.86 35.13 5.39 103.18 3796.69 104158.86 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:20 10123332 13787624 2170688 13.26 155932 3633340 2475484 14.21 673576 5190088 37816 09:40:08 9351808 13318380 2636352 16.10 172440 3895904 2830028 16.24 776168 5828444 18760 Average: 9737570 13553002 2403520 14.68 164186 3764622 2652756 15.23 724872 5509266 28288 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:20 lo 16.41 16.41 3.56 3.56 0.00 0.00 0.00 0.00 09:30:20 ens3 113.78 81.58 1016.25 11.77 0.00 0.00 0.00 0.00 09:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 1001.74 1001.74 922.38 922.38 0.00 0.00 0.00 0.00 09:40:08 ens3 30.84 24.56 252.03 3.72 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 496.68 496.68 451.42 451.42 0.00 0.00 0.00 0.00 Average: ens3 73.36 53.79 643.76 7.85 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62696) 10/07/26 _x86_64_ (4 CPU) 09:18:34 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:20 all 37.65 0.00 1.80 1.11 0.02 59.41 09:30:20 0 35.66 0.00 1.82 0.66 0.02 61.85 09:30:20 1 38.78 0.00 1.76 0.71 0.02 58.73 09:30:20 2 37.78 0.00 1.63 0.63 0.02 59.94 09:30:20 3 38.39 0.00 2.01 2.46 0.03 57.11 09:40:08 all 24.39 0.00 1.50 0.07 0.01 74.02 09:40:08 0 23.20 0.00 1.46 0.06 0.02 75.26 09:40:08 1 24.61 0.00 1.64 0.03 0.01 73.70 09:40:08 2 25.19 0.00 1.42 0.15 0.01 73.23 09:40:08 3 24.56 0.00 1.49 0.04 0.02 73.89 Average: all 31.19 0.00 1.66 0.61 0.02 66.53 Average: 0 29.59 0.00 1.64 0.37 0.02 68.38 Average: 1 31.87 0.00 1.70 0.38 0.02 66.03 Average: 2 31.64 0.00 1.53 0.40 0.02 66.42 Average: 3 31.66 0.00 1.75 1.28 0.02 65.29