---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6095 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 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 717 10121 4 5150 14928 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:b1:2e:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84365sec preferred_lft 84365sec inet6 fe80::f816:3eff:feb1:2e70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:a8:61:61:c8:f6 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-6095) 09/08/26 _x86_64_ (4 CPU) 17:40:28 LINUX RESTART (4 CPU) 17:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:01 24.61 0.82 20.65 3.15 27.28 3490.32 2496.19 18:10:02 8.82 0.25 7.16 1.41 12.88 1764.04 637.75 Average: 16.72 0.54 13.91 2.28 20.09 2627.95 1567.80 17:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:01 8419912 12973336 2976136 18.18 173492 4419252 3169728 18.19 818296 6653244 116360 18:10:02 10433552 15346956 601688 3.67 177064 4755464 1135320 6.52 938776 4476072 264 Average: 9426732 14160146 1788912 10.93 175278 4587358 2152524 12.36 878536 5564658 58312 17:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:01 lo 1944.51 1944.51 1854.69 1854.69 0.00 0.00 0.00 0.00 18:00:01 ens3 65.33 52.84 374.86 18.28 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:02 lo 246.16 246.16 225.53 225.53 0.00 0.00 0.00 0.00 18:10:02 ens3 52.22 54.09 143.95 108.08 0.00 0.00 0.00 0.00 18:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1096.10 1096.10 1040.84 1040.84 0.00 0.00 0.00 0.00 Average: ens3 58.78 53.46 259.51 63.14 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-6095) 09/08/26 _x86_64_ (4 CPU) 17:40:28 LINUX RESTART (4 CPU) 17:50:00 CPU %user %nice %system %iowait %steal %idle 18:00:01 all 64.38 0.00 2.90 0.08 0.03 32.61 18:00:01 0 63.73 0.00 2.92 0.06 0.02 33.27 18:00:01 1 65.83 0.00 3.12 0.08 0.03 30.95 18:00:01 2 62.70 0.00 2.69 0.10 0.03 34.47 18:00:01 3 65.27 0.00 2.89 0.06 0.02 31.75 18:10:02 all 17.29 0.00 0.74 0.08 0.01 81.88 18:10:02 0 15.53 0.00 0.68 0.07 0.01 83.71 18:10:02 1 14.16 0.00 0.70 0.19 0.01 84.94 18:10:02 2 15.44 0.00 0.66 0.03 0.02 83.86 18:10:02 3 24.04 0.00 0.92 0.02 0.01 75.01 Average: all 40.85 0.00 1.82 0.08 0.02 57.23 Average: 0 39.64 0.00 1.80 0.06 0.02 58.48 Average: 1 40.00 0.00 1.91 0.13 0.02 57.94 Average: 2 39.09 0.00 1.68 0.07 0.02 59.14 Average: 3 44.65 0.00 1.90 0.04 0.02 53.38