---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20361 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 9.1G 69G 12% / 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 645 11929 4 3414 15001 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:0b:ce:3c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe0b:ce3c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:d5:65:e9:c8:41 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-20361) 05/26/26 _x86_64_ (4 CPU) 10:56:51 LINUX RESTART (4 CPU) 11:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:17 1.50 0.04 1.45 0.01 1.49 18.28 221.97 11:20:17 1.24 0.01 1.23 0.00 0.05 14.39 0.00 Average: 1.37 0.02 1.34 0.01 0.77 16.33 110.99 11:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:17 13769968 15523612 495608 3.03 53984 1926572 1152532 6.62 194040 2157168 8 11:20:17 13769608 15523692 495424 3.03 54392 1926584 1152532 6.62 194452 2158068 12 Average: 13769788 15523652 495516 3.03 54188 1926578 1152532 6.62 194246 2157618 10 11:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:17 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 11:10:17 ens3 0.40 0.15 0.13 0.06 0.00 0.00 0.00 0.00 11:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:17 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 11:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.30 0.12 0.08 0.04 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-20361) 05/26/26 _x86_64_ (4 CPU) 10:56:51 LINUX RESTART (4 CPU) 11:00:17 CPU %user %nice %system %iowait %steal %idle 11:10:17 all 0.18 0.00 0.03 0.03 0.01 99.75 11:10:17 0 0.02 0.00 0.03 0.04 0.01 99.91 11:10:17 1 0.04 0.00 0.03 0.03 0.01 99.89 11:10:17 2 0.62 0.00 0.04 0.07 0.02 99.26 11:10:17 3 0.04 0.00 0.04 0.00 0.01 99.92 11:20:17 all 0.09 0.00 0.04 0.14 0.01 99.72 11:20:17 0 0.01 0.00 0.02 0.22 0.01 99.75 11:20:17 1 0.07 0.00 0.07 0.18 0.01 99.67 11:20:17 2 0.25 0.00 0.04 0.15 0.01 99.55 11:20:17 3 0.04 0.00 0.04 0.01 0.00 99.91 Average: all 0.14 0.00 0.04 0.09 0.01 99.73 Average: 0 0.01 0.00 0.02 0.13 0.01 99.83 Average: 1 0.06 0.00 0.05 0.10 0.01 99.78 Average: 2 0.44 0.00 0.04 0.11 0.02 99.40 Average: 3 0.04 0.00 0.04 0.00 0.00 99.91