---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3233 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 68G 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 675 10590 4 4723 14970 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:ed:55:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84798sec preferred_lft 84798sec inet6 fe80::f816:3eff:feed:55a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:c0:a0:1b:99:10 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-3233) 09/08/26 _x86_64_ (4 CPU) 16:45:15 LINUX RESTART (4 CPU) 16:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:13 12.76 1.96 10.05 0.75 130.39 3453.79 1104.94 17:10:17 36.99 0.78 19.46 16.74 24.07 3812.56 239159.09 Average: 24.92 1.37 14.77 8.77 77.05 3633.80 120547.39 16:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:13 10410292 13867480 2090968 12.77 134196 3441172 2745504 15.76 577656 4993024 26632 17:10:17 10945652 15409080 543532 3.32 168412 4343412 1064720 6.11 879848 4057316 20 Average: 10677972 14638280 1317250 8.05 151304 3892292 1905112 10.94 728752 4525170 13326 16:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:13 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 17:00:13 ens3 71.90 62.89 462.73 13.12 0.00 0.00 0.00 0.00 17:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:17 lo 1609.17 1609.17 1534.36 1534.36 0.00 0.00 0.00 0.00 17:10:17 ens3 73.03 59.67 448.56 38.22 0.00 0.00 0.00 0.00 17:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 808.00 808.00 769.92 769.92 0.00 0.00 0.00 0.00 Average: ens3 72.47 61.28 455.62 25.71 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-3233) 09/08/26 _x86_64_ (4 CPU) 16:45:15 LINUX RESTART (4 CPU) 16:50:13 CPU %user %nice %system %iowait %steal %idle 17:00:13 all 63.15 0.00 2.15 0.06 0.04 34.60 17:00:13 0 61.53 0.00 2.03 0.06 0.03 36.35 17:00:13 1 65.03 0.00 2.11 0.06 0.04 32.77 17:00:13 2 64.07 0.00 2.29 0.03 0.04 33.56 17:00:13 3 61.97 0.00 2.17 0.08 0.04 35.73 17:10:17 all 54.31 0.00 2.55 0.09 0.04 43.02 17:10:17 0 54.08 0.00 2.39 0.05 0.04 43.44 17:10:17 1 55.47 0.00 2.84 0.09 0.03 41.57 17:10:17 2 54.00 0.00 2.42 0.11 0.03 43.44 17:10:17 3 53.67 0.00 2.56 0.11 0.04 43.62 Average: all 58.71 0.00 2.35 0.07 0.04 38.82 Average: 0 57.79 0.00 2.21 0.06 0.03 39.91 Average: 1 60.23 0.00 2.47 0.08 0.04 37.18 Average: 2 59.02 0.00 2.36 0.07 0.04 38.52 Average: 3 57.81 0.00 2.36 0.09 0.04 39.69