---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58614 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: 5600.02 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 636 10360 4 4991 15009 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:ea:57:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:feea:5749/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:8b:05:68:23:68 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-58614) 09/25/26 _x86_64_ (4 CPU) 10:59:30 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 17.95 0.24 4.67 13.03 26.97 826.76 251264.77 11:20:30 1.27 0.01 1.26 0.00 0.05 15.16 0.00 11:30:08 59.11 5.25 51.46 2.40 302.24 10010.58 10344.98 Average: 25.31 1.76 18.46 5.09 105.70 3483.57 86627.16 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 13501944 15500760 512476 3.13 59356 2164184 1173648 6.74 214688 2388804 212 11:20:30 13501188 15500540 512788 3.13 59764 2164328 1173648 6.74 215092 2389016 20 11:30:08 10612728 15365708 590100 3.60 132556 4726724 1132684 6.50 806208 4510952 19052 Average: 12538620 15455669 538455 3.29 83892 3018412 1159993 6.66 411996 3096257 6428 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:10:01 ens3 15.05 6.58 325.74 0.67 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:30 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:08 lo 422.55 422.55 395.20 395.20 0.00 0.00 0.00 0.00 11:30:08 ens3 195.14 156.91 1346.38 124.85 0.00 0.00 0.00 0.00 11:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 135.33 135.33 126.50 126.50 0.00 0.00 0.00 0.00 Average: ens3 67.52 52.43 538.97 40.19 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-58614) 09/25/26 _x86_64_ (4 CPU) 10:59:30 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 0.42 0.00 0.15 0.11 0.00 99.31 11:10:01 0 0.45 0.00 0.13 0.10 0.00 99.32 11:10:01 1 0.27 0.00 0.15 0.02 0.00 99.56 11:10:01 2 0.48 0.00 0.16 0.20 0.00 99.16 11:10:01 3 0.51 0.00 0.15 0.13 0.00 99.21 11:20:30 all 0.12 0.00 0.03 0.01 0.00 99.85 11:20:30 0 0.03 0.00 0.02 0.01 0.00 99.94 11:20:30 1 0.03 0.00 0.03 0.00 0.00 99.94 11:20:30 2 0.39 0.00 0.02 0.03 0.00 99.56 11:20:30 3 0.02 0.00 0.03 0.00 0.00 99.94 11:30:08 all 49.77 0.00 2.37 0.41 0.02 47.43 11:30:08 0 50.46 0.00 2.57 0.36 0.02 46.59 11:30:08 1 52.84 0.00 2.47 0.29 0.03 44.37 11:30:08 2 44.95 0.00 2.20 0.58 0.02 52.25 11:30:08 3 50.81 0.00 2.23 0.42 0.02 46.51 Average: all 16.10 0.00 0.81 0.17 0.01 82.90 Average: 0 16.29 0.00 0.87 0.15 0.01 82.68 Average: 1 16.99 0.00 0.85 0.10 0.01 82.05 Average: 2 14.69 0.00 0.77 0.26 0.01 84.27 Average: 3 16.43 0.00 0.77 0.18 0.01 82.61