---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3222 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 665 10545 4 4777 14980 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:0e:ed:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84624sec preferred_lft 84624sec inet6 fe80::f816:3eff:fe0e:eddc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:4b:23:3c:8c:83 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-3222) 09/08/26 _x86_64_ (4 CPU) 16:45:16 LINUX RESTART (4 CPU) 16:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:05 16.35 2.02 13.33 1.00 132.55 4072.17 816.40 17:10:01 23.09 0.79 19.18 3.12 24.26 3837.53 3268.49 Average: 19.70 1.41 16.24 2.06 78.57 3955.23 2038.56 16:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:05 10281608 13793272 2164708 13.22 137220 3491556 2712080 15.57 580712 5122676 16808 17:10:01 10928560 15448384 503640 3.08 171720 4394608 1055808 6.06 880080 4074424 372 Average: 10605084 14620828 1334174 8.15 154470 3943082 1883944 10.81 730396 4598550 8590 16:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:05 lo 1.30 1.30 0.13 0.13 0.00 0.00 0.00 0.00 17:00:05 ens3 137.50 105.26 706.72 16.80 0.00 0.00 0.00 0.00 17:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 1612.04 1612.04 1536.85 1536.85 0.00 0.00 0.00 0.00 17:10:01 ens3 65.27 54.56 452.87 29.32 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 804.12 804.12 766.06 766.06 0.00 0.00 0.00 0.00 Average: ens3 101.50 79.99 580.20 23.04 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-3222) 09/08/26 _x86_64_ (4 CPU) 16:45:16 LINUX RESTART (4 CPU) 16:50:05 CPU %user %nice %system %iowait %steal %idle 17:00:05 all 64.73 0.00 2.25 0.10 0.03 32.89 17:00:05 0 65.09 0.00 2.33 0.12 0.03 32.43 17:00:05 1 64.00 0.00 2.12 0.06 0.03 33.78 17:00:05 2 64.73 0.00 2.30 0.06 0.03 32.87 17:00:05 3 65.09 0.00 2.24 0.16 0.03 32.48 17:10:01 all 58.37 0.00 2.59 0.08 0.03 38.93 17:10:01 0 57.08 0.00 2.69 0.09 0.03 40.10 17:10:01 1 58.43 0.00 2.34 0.10 0.03 39.10 17:10:01 2 58.35 0.00 2.39 0.04 0.03 39.19 17:10:01 3 59.60 0.00 2.93 0.09 0.03 37.34 Average: all 61.56 0.00 2.42 0.09 0.03 35.90 Average: 0 61.10 0.00 2.51 0.11 0.03 36.26 Average: 1 61.22 0.00 2.23 0.08 0.03 36.44 Average: 2 61.55 0.00 2.35 0.05 0.03 36.02 Average: 3 62.35 0.00 2.59 0.13 0.03 34.90