---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-464 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 669 10485 4 4834 14977 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:12:a1:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84835sec preferred_lft 84835sec inet6 fe80::f816:3eff:fe12:a1f0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:5d:63:e4:b8:46 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-464) 01/15/26 _x86_64_ (4 CPU) 11:49:09 LINUX RESTART (4 CPU) 11:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:10 25.72 3.13 21.14 1.45 554.71 4351.27 5402.55 12:10:00 26.25 0.84 22.03 3.37 27.50 3504.83 4116.33 Average: 25.98 2.01 21.58 2.39 295.48 3935.08 4770.13 11:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:10 10525168 13760612 2200128 13.44 125744 3250440 2519120 14.46 663820 4806852 22276 12:10:00 8819816 12975432 2977416 18.18 167096 4047564 3549020 20.37 914160 6187044 12956 Average: 9672492 13368022 2588772 15.81 146420 3649002 3034070 17.42 788990 5496948 17616 11:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:10 lo 1.17 1.17 0.13 0.13 0.00 0.00 0.00 0.00 12:00:10 ens3 99.78 76.31 727.18 18.08 0.00 0.00 0.00 0.00 12:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 1534.63 1534.63 1461.91 1461.91 0.00 0.00 0.00 0.00 12:10:00 ens3 88.26 66.41 398.02 17.21 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 755.16 755.16 718.87 718.87 0.00 0.00 0.00 0.00 Average: ens3 94.11 71.44 565.34 17.65 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-464) 01/15/26 _x86_64_ (4 CPU) 11:49:09 LINUX RESTART (4 CPU) 11:50:00 CPU %user %nice %system %iowait %steal %idle 12:00:10 all 50.52 0.00 1.75 0.16 0.08 47.49 12:00:10 0 52.52 0.00 1.91 0.12 0.08 45.37 12:00:10 1 50.89 0.00 1.73 0.04 0.08 47.26 12:00:10 2 49.53 0.00 1.73 0.06 0.08 48.60 12:00:10 3 49.15 0.00 1.63 0.42 0.08 48.71 12:10:00 all 72.22 0.00 2.69 0.05 0.10 24.93 12:10:00 0 71.28 0.00 2.42 0.04 0.10 26.15 12:10:00 1 71.39 0.00 2.79 0.05 0.11 25.66 12:10:00 2 73.55 0.00 2.86 0.06 0.11 23.42 12:10:00 3 72.68 0.00 2.66 0.07 0.10 24.49 Average: all 61.19 0.00 2.21 0.11 0.09 36.40 Average: 0 61.74 0.00 2.16 0.08 0.09 35.92 Average: 1 60.98 0.00 2.25 0.04 0.09 36.64 Average: 2 61.33 0.00 2.29 0.06 0.09 36.23 Average: 3 60.71 0.00 2.14 0.25 0.09 36.81