---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10641 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 684 10392 4 4911 14962 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:ef:10:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84859sec preferred_lft 84859sec inet6 fe80::f816:3eff:feef:1008/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:3d:78:0c:66:be 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-10641) 05/03/26 _x86_64_ (4 CPU) 14:38:21 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 18.20 3.00 14.19 1.00 362.38 4062.55 2117.46 15:00:00 26.26 0.92 22.06 3.28 30.02 3450.02 3355.32 Average: 22.18 1.98 18.07 2.13 198.46 3760.46 2727.96 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 10402720 13757272 2202612 13.45 131280 3352192 2529332 14.52 614824 4979404 16132 15:00:00 8913384 13305576 2645712 16.16 171520 4261872 2845332 16.33 882116 6092928 130384 Average: 9658052 13531424 2424162 14.81 151400 3807032 2687332 15.43 748470 5536166 73258 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 14:50:08 ens3 97.05 78.52 723.68 19.83 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:00 lo 1447.68 1447.68 1379.90 1379.90 0.00 0.00 0.00 0.00 15:00:00 ens3 91.92 67.98 471.27 17.73 0.00 0.00 0.00 0.00 15:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 714.60 714.60 680.62 680.62 0.00 0.00 0.00 0.00 Average: ens3 94.52 73.32 599.19 18.79 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-10641) 05/03/26 _x86_64_ (4 CPU) 14:38:21 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 53.26 0.00 1.78 0.06 0.08 44.83 14:50:08 0 53.32 0.00 1.86 0.08 0.08 44.66 14:50:08 1 54.91 0.00 1.75 0.05 0.08 43.21 14:50:08 2 51.93 0.00 1.94 0.08 0.08 45.98 14:50:08 3 52.86 0.00 1.56 0.04 0.07 45.47 15:00:00 all 71.02 0.00 2.71 0.05 0.11 26.12 15:00:00 0 74.41 0.00 2.69 0.06 0.11 22.74 15:00:00 1 67.48 0.00 2.66 0.04 0.11 29.71 15:00:00 2 69.37 0.00 2.69 0.06 0.11 27.77 15:00:00 3 72.82 0.00 2.80 0.04 0.10 24.24 Average: all 62.01 0.00 2.24 0.06 0.09 35.60 Average: 0 63.71 0.00 2.27 0.07 0.09 33.86 Average: 1 61.11 0.00 2.20 0.04 0.10 36.55 Average: 2 60.53 0.00 2.31 0.07 0.09 37.00 Average: 3 62.70 0.00 2.17 0.04 0.09 35.00