---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8168 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 13G 65G 17% / 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 674 8124 4 7189 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:5a:25:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84030sec preferred_lft 84030sec inet6 fe80::f816:3eff:fe5a:25a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:66:17:74:ac:31 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-8168) 09/14/26 _x86_64_ (4 CPU) 07:54:24 LINUX RESTART (4 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:07 21.85 0.08 19.20 2.58 6.63 2324.46 6860.20 08:20:07 32.77 0.02 29.42 3.33 0.53 4609.80 32563.96 08:30:07 23.45 0.19 8.52 14.75 11.13 6298.75 235816.38 Average: 26.02 0.09 19.05 6.88 6.10 4407.14 91589.62 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:07 8071624 11899172 4056488 24.78 144864 3788676 4052944 23.26 719944 7177140 12604 08:20:07 7294200 12188180 3762612 22.98 170680 4780516 3637380 20.88 1020612 7596920 2088 08:30:07 8376772 15377736 566224 3.46 186812 6802940 1126756 6.47 1792668 5659756 352532 Average: 7914199 13155029 2795108 17.07 167452 5124044 2939027 16.87 1177741 6811272 122408 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:07 lo 1378.51 1378.51 1307.53 1307.53 0.00 0.00 0.00 0.00 08:10:07 ens3 50.53 36.64 48.46 13.32 0.00 0.00 0.00 0.00 08:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:07 lo 1530.19 1530.19 1458.26 1458.26 0.00 0.00 0.00 0.00 08:20:07 ens3 43.98 31.24 30.87 13.07 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:07 lo 2532.97 2532.97 9287.06 9287.06 0.00 0.00 0.00 0.00 08:30:07 ens3 26.00 22.45 123.37 8.10 0.00 0.00 0.00 0.00 08:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1813.09 1813.09 4012.60 4012.60 0.00 0.00 0.00 0.00 Average: ens3 40.19 30.12 67.53 11.50 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-8168) 09/14/26 _x86_64_ (4 CPU) 07:54:24 LINUX RESTART (4 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:07 all 67.02 0.00 2.52 0.07 0.04 30.35 08:10:07 0 65.79 0.00 2.49 0.10 0.03 31.59 08:10:07 1 67.73 0.00 2.75 0.08 0.04 29.40 08:10:07 2 66.01 0.00 2.52 0.03 0.03 31.41 08:10:07 3 68.54 0.00 2.33 0.08 0.03 29.02 08:20:07 all 61.61 0.00 2.76 0.11 0.03 35.49 08:20:07 0 60.97 0.00 2.67 0.07 0.03 36.26 08:20:07 1 63.74 0.00 2.84 0.07 0.03 33.32 08:20:07 2 60.45 0.00 2.65 0.18 0.03 36.70 08:20:07 3 61.29 0.00 2.88 0.11 0.03 35.69 08:30:07 all 32.11 0.00 1.47 0.15 0.02 66.24 08:30:07 0 21.56 0.00 1.24 0.11 0.02 77.06 08:30:07 1 32.99 0.00 2.18 0.22 0.03 64.58 08:30:07 2 32.42 0.00 0.96 0.10 0.02 66.51 08:30:07 3 41.55 0.00 1.51 0.18 0.03 56.73 Average: all 53.59 0.00 2.25 0.11 0.03 44.02 Average: 0 49.42 0.00 2.13 0.09 0.03 48.33 Average: 1 54.83 0.00 2.59 0.12 0.03 42.42 Average: 2 52.98 0.00 2.04 0.10 0.03 44.85 Average: 3 57.15 0.00 2.24 0.12 0.03 40.45