---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41996 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 635 10265 4 5089 15010 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:1c:3e:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84837sec preferred_lft 84837sec inet6 fe80::f816:3eff:fe1c:3e6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b3:28:b0:0f:9f 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41996) 08/28/26 _x86_64_ (4 CPU) 09:55:47 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:05 24.01 1.77 8.37 13.87 138.05 2034.04 243351.97 10:20:15 18.88 0.52 16.90 1.46 19.25 2421.35 6253.28 Average: 21.43 1.14 12.67 7.62 78.20 2229.18 123891.46 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:05 8243264 11557672 4402732 26.89 120148 3347144 4546760 26.10 523552 7246940 376 10:20:15 9539560 13626328 2329664 14.23 141500 4057516 2533056 14.54 722316 5696116 296488 Average: 8891412 12592000 3366198 20.56 130824 3702330 3539908 20.32 622934 6471528 148432 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:05 lo 0.71 0.71 0.39 0.39 0.00 0.00 0.00 0.00 10:10:05 ens3 50.89 36.20 480.48 4.91 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:15 lo 522.39 522.39 497.47 497.47 0.00 0.00 0.00 0.00 10:20:15 ens3 45.35 34.38 480.56 6.37 0.00 0.00 0.00 0.00 10:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 263.55 263.55 250.84 250.84 0.00 0.00 0.00 0.00 Average: ens3 48.10 35.28 480.52 5.65 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41996) 08/28/26 _x86_64_ (4 CPU) 09:55:47 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:05 all 49.69 0.00 1.04 0.15 0.03 49.09 10:10:05 0 50.34 0.00 1.16 0.11 0.03 48.35 10:10:05 1 51.16 0.00 1.01 0.21 0.03 47.59 10:10:05 2 53.05 0.00 1.02 0.15 0.04 45.73 10:10:05 3 44.21 0.00 0.97 0.12 0.03 54.66 10:20:15 all 52.42 0.00 1.51 0.07 0.03 45.97 10:20:15 0 45.06 0.00 1.39 0.03 0.02 53.50 10:20:15 1 46.24 0.00 1.56 0.06 0.03 52.11 10:20:15 2 48.31 0.00 1.42 0.12 0.03 50.12 10:20:15 3 70.09 0.00 1.65 0.08 0.05 28.14 Average: all 51.07 0.00 1.28 0.11 0.03 47.52 Average: 0 47.68 0.00 1.28 0.07 0.03 50.95 Average: 1 48.68 0.00 1.29 0.13 0.03 49.87 Average: 2 50.67 0.00 1.22 0.13 0.04 47.94 Average: 3 57.24 0.00 1.31 0.10 0.04 41.30