---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491144 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 nrip_save 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 10553 4 4770 14981 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:3e:eb:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84821sec preferred_lft 84821sec inet6 fe80::f816:3eff:fe3e:eb4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:fb:2a:c5:91:39 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491144) 03/16/26 _x86_64_ (4 CPU) 10:06:59 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:39 6.78 0.73 5.72 0.33 47.32 1341.65 420.53 10:30:21 11.32 0.53 10.05 0.74 19.95 1794.77 1490.06 Average: 8.95 0.64 7.79 0.53 34.26 1557.92 930.99 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:39 8544676 11537232 4425560 27.03 113520 3044848 4537120 26.04 494736 6988688 32 10:30:21 9631280 13151508 2807868 17.15 132880 3521860 3104848 17.82 669848 5704780 113652 Average: 9087978 12344370 3616714 22.09 123200 3283354 3820984 21.93 582292 6346734 56842 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:39 lo 0.64 0.64 0.36 0.36 0.00 0.00 0.00 0.00 10:20:39 ens3 18.92 14.68 188.29 2.97 0.00 0.00 0.00 0.00 10:20:39 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:21 lo 288.05 288.05 274.26 274.26 0.00 0.00 0.00 0.00 10:30:21 ens3 32.27 24.11 400.95 3.46 0.00 0.00 0.00 0.00 10:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 137.81 137.81 131.09 131.09 0.00 0.00 0.00 0.00 Average: ens3 25.29 19.19 289.79 3.20 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-491144) 03/16/26 _x86_64_ (4 CPU) 10:06:59 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:39 all 49.26 0.00 0.78 0.17 0.09 49.69 10:20:39 0 46.20 0.00 0.70 0.02 0.09 52.99 10:20:39 1 46.03 0.00 0.70 0.01 0.09 53.16 10:20:39 2 56.83 0.00 0.90 0.59 0.10 41.58 10:20:39 3 47.99 0.00 0.83 0.05 0.09 51.04 10:30:21 all 53.08 0.00 0.98 0.03 0.09 45.82 10:30:21 0 45.83 0.00 1.04 0.01 0.09 53.03 10:30:21 1 37.10 0.00 0.89 0.04 0.09 61.88 10:30:21 2 87.20 0.00 1.16 0.06 0.10 11.49 10:30:21 3 42.22 0.00 0.85 0.02 0.07 56.84 Average: all 51.08 0.00 0.88 0.10 0.09 47.85 Average: 0 46.02 0.00 0.86 0.02 0.09 53.01 Average: 1 41.76 0.00 0.79 0.03 0.09 57.33 Average: 2 71.32 0.00 1.02 0.33 0.10 27.22 Average: 3 45.24 0.00 0.84 0.04 0.08 53.81