---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6146 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 9.6G 68G 13% / 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 619 11463 4 3906 15026 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:25:ca:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85112sec preferred_lft 85112sec inet6 fe80::f816:3eff:fe25:cab8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:c0:3a:9f:d4:46 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-6146) 09/09/26 _x86_64_ (4 CPU) 00:39:45 LINUX RESTART (4 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:30 61.71 11.44 46.73 3.53 1554.88 9782.66 28748.55 01:00:14 22.54 0.01 7.25 15.28 0.21 646.22 274185.34 Average: 42.87 5.94 27.74 9.18 806.97 5387.41 146820.38 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:30 9321728 12817068 3141332 19.19 126188 3492884 3390040 19.46 661632 5992048 4 01:00:14 11819116 15452652 505160 3.09 136612 3606248 1027540 5.90 700100 3420568 3396 Average: 10570422 14134860 1823246 11.14 131400 3549566 2208790 12.68 680866 4706308 1700 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:30 lo 15.55 15.55 3.28 3.28 0.00 0.00 0.00 0.00 00:50:30 ens3 126.91 98.90 991.25 19.00 0.00 0.00 0.00 0.00 00:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:14 lo 56.57 56.57 14.75 14.75 0.00 0.00 0.00 0.00 01:00:14 ens3 5.72 4.33 4.71 1.89 0.00 0.00 0.00 0.00 01:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 35.28 35.28 8.80 8.80 0.00 0.00 0.00 0.00 Average: ens3 68.61 53.41 516.66 10.77 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-6146) 09/09/26 _x86_64_ (4 CPU) 00:39:45 LINUX RESTART (4 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:30 all 32.30 0.00 1.73 0.53 0.02 65.41 00:50:30 0 30.59 0.00 1.72 0.58 0.02 67.08 00:50:30 1 33.12 0.00 1.88 0.47 0.03 64.50 00:50:30 2 32.21 0.00 1.62 0.59 0.02 65.55 00:50:30 3 33.27 0.00 1.71 0.48 0.02 64.52 01:00:14 all 16.02 0.00 0.90 0.26 0.02 82.81 01:00:14 0 16.68 0.00 0.93 0.56 0.02 81.82 01:00:14 1 16.05 0.00 0.86 0.18 0.02 82.89 01:00:14 2 15.37 0.00 0.89 0.20 0.02 83.51 01:00:14 3 15.95 0.00 0.93 0.10 0.02 83.00 Average: all 24.47 0.00 1.33 0.40 0.02 73.78 Average: 0 23.90 0.00 1.34 0.57 0.02 74.17 Average: 1 24.91 0.00 1.39 0.33 0.02 73.35 Average: 2 24.11 0.00 1.27 0.41 0.02 74.19 Average: 3 24.95 0.00 1.33 0.30 0.02 73.40