---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36691 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 642 10237 4 5109 15004 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:87:a8:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84841sec preferred_lft 84841sec inet6 fe80::f816:3eff:fe87:a87f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:2e:f0:7b:a2:ed 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36691) 07/17/26 _x86_64_ (4 CPU) 16:59:20 LINUX RESTART (4 CPU) 17:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:01 22.10 3.30 17.85 0.95 380.98 4637.73 558.09 17:20:07 4.85 0.38 4.24 0.23 12.19 656.82 416.20 Average: 13.42 1.83 11.00 0.59 195.38 2634.26 486.68 17:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:01 9568736 12771812 3190896 19.49 116016 3241964 3440244 19.75 551788 5892644 536 17:20:07 9615524 13377372 2581664 15.77 130612 3752696 2770428 15.90 623208 5738772 363280 Average: 9592130 13074592 2886280 17.63 123314 3497330 3105336 17.82 587498 5815708 181908 17:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:01 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 17:10:01 ens3 86.86 67.55 935.56 10.71 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 17:20:07 lo 103.94 103.94 98.64 98.64 0.00 0.00 0.00 0.00 17:20:07 ens3 40.59 27.98 448.70 3.99 0.00 0.00 0.00 0.00 17:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 52.58 52.58 49.67 49.67 0.00 0.00 0.00 0.00 Average: ens3 63.57 47.63 690.54 7.33 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36691) 07/17/26 _x86_64_ (4 CPU) 16:59:20 LINUX RESTART (4 CPU) 17:00:04 CPU %user %nice %system %iowait %steal %idle 17:10:01 all 51.69 0.00 1.20 0.19 0.09 46.83 17:10:01 0 47.04 0.00 0.94 0.41 0.08 51.53 17:10:01 1 52.40 0.00 1.40 0.14 0.09 45.97 17:10:01 2 47.28 0.00 1.20 0.11 0.09 51.32 17:10:01 3 60.06 0.00 1.26 0.09 0.10 38.50 17:20:07 all 52.44 0.00 0.74 0.02 0.08 46.73 17:20:07 0 46.21 0.00 0.69 0.03 0.08 52.99 17:20:07 1 65.70 0.00 0.66 0.01 0.09 33.53 17:20:07 2 52.25 0.00 0.85 0.01 0.08 46.81 17:20:07 3 45.58 0.00 0.75 0.02 0.08 53.57 Average: all 52.07 0.00 0.97 0.10 0.09 46.78 Average: 0 46.62 0.00 0.81 0.22 0.08 52.27 Average: 1 59.10 0.00 1.03 0.07 0.09 39.71 Average: 2 49.78 0.00 1.02 0.06 0.09 49.05 Average: 3 52.77 0.00 1.00 0.05 0.09 46.09