---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8698 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 630 10351 4 5007 15015 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:f7:f1:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84973sec preferred_lft 84973sec inet6 fe80::f816:3eff:fef7:f12d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:9b:b1:21:74:d0 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-8698) 09/16/26 _x86_64_ (4 CPU) 17:09:39 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:02 49.34 10.56 37.92 0.87 1488.50 8688.56 2013.15 17:30:09 26.36 0.51 11.88 13.97 19.82 2031.34 238581.80 Average: 37.80 5.51 24.84 7.45 750.99 5345.58 120808.21 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:02 9827836 12928764 3033560 18.53 113424 3146524 3257776 18.70 484064 5694540 464 17:30:09 8829036 12712588 3245148 19.82 133352 3866896 3387404 19.44 712476 6436812 273984 Average: 9328436 12820676 3139354 19.17 123388 3506710 3322590 19.07 598270 6065676 137224 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 17:20:02 ens3 123.20 99.09 974.61 16.21 0.00 0.00 0.00 0.00 17:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:09 lo 289.68 289.68 275.57 275.57 0.00 0.00 0.00 0.00 17:30:09 ens3 51.88 39.96 473.65 4.60 0.00 0.00 0.00 0.00 17:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 145.93 145.93 138.43 138.43 0.00 0.00 0.00 0.00 Average: ens3 87.39 69.40 723.05 10.38 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-8698) 09/16/26 _x86_64_ (4 CPU) 17:09:39 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:02 all 48.02 0.00 1.44 0.50 0.03 50.01 17:20:02 0 51.75 0.00 1.36 0.77 0.03 46.09 17:20:02 1 43.91 0.00 1.26 0.23 0.03 54.57 17:20:02 2 46.89 0.00 1.52 0.23 0.03 51.33 17:20:02 3 49.52 0.00 1.61 0.78 0.03 48.06 17:30:09 all 56.59 0.00 1.13 0.09 0.04 42.15 17:30:09 0 73.16 0.00 1.03 0.03 0.05 25.72 17:30:09 1 43.65 0.00 1.24 0.23 0.03 54.84 17:30:09 2 63.08 0.00 1.21 0.06 0.04 35.61 17:30:09 3 46.47 0.00 1.04 0.05 0.02 52.41 Average: all 52.32 0.00 1.28 0.30 0.03 46.06 Average: 0 62.50 0.00 1.20 0.40 0.04 35.86 Average: 1 43.78 0.00 1.25 0.23 0.03 54.71 Average: 2 55.04 0.00 1.36 0.14 0.03 43.42 Average: 3 47.99 0.00 1.32 0.41 0.03 50.25