---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37894 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 12G 66G 15% / 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 651 9371 4 5966 14995 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:29:47:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:fe29:47ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:17:48:c7:5d:db 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-37894) 07/23/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 21.24 0.68 17.49 3.07 24.95 2615.62 59343.60 01:30:20 23.93 0.16 20.43 3.35 4.75 1897.15 21859.99 Average: 22.62 0.41 18.99 3.21 14.61 2247.81 40154.36 01:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9463040 12994904 2964148 18.10 130904 3515304 3232972 18.56 677496 5836852 440 01:30:20 8901044 12861096 3093876 18.90 152048 3890388 3198496 18.36 820668 6225820 24728 Average: 9182042 12928000 3029012 18.50 141476 3702846 3215734 18.46 749082 6031336 12584 01:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 29.12 29.12 6.89 6.89 0.00 0.00 0.00 0.00 01:20:01 ens3 25.93 20.36 43.79 6.08 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:20 lo 1346.23 1346.23 1260.04 1260.04 0.00 0.00 0.00 0.00 01:30:20 ens3 49.42 36.47 259.65 9.40 0.00 0.00 0.00 0.00 01:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 703.40 703.40 648.42 648.42 0.00 0.00 0.00 0.00 Average: ens3 37.95 28.61 154.30 7.78 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-37894) 07/23/26 _x86_64_ (4 CPU) 01:06:22 LINUX RESTART (4 CPU) 01:10:10 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 34.27 0.00 1.24 0.11 0.09 64.29 01:20:01 0 35.42 0.00 1.39 0.05 0.09 63.05 01:20:01 1 34.91 0.00 1.37 0.11 0.10 63.52 01:20:01 2 34.74 0.00 1.11 0.05 0.09 64.01 01:20:01 3 32.02 0.00 1.08 0.23 0.09 66.59 01:30:20 all 35.67 0.00 1.81 0.08 0.11 62.32 01:30:20 0 35.69 0.00 1.81 0.08 0.11 62.32 01:30:20 1 34.91 0.00 1.85 0.12 0.11 63.01 01:30:20 2 36.03 0.00 1.94 0.06 0.10 61.87 01:30:20 3 36.06 0.00 1.66 0.08 0.11 62.09 Average: all 34.99 0.00 1.53 0.10 0.10 63.28 Average: 0 35.56 0.00 1.60 0.07 0.10 62.68 Average: 1 34.91 0.00 1.61 0.11 0.10 63.26 Average: 2 35.40 0.00 1.54 0.05 0.10 62.91 Average: 3 34.09 0.00 1.37 0.15 0.10 64.29