---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15748 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 625 10471 4 4892 15021 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:38:17:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84758sec preferred_lft 84758sec inet6 fe80::f816:3eff:fe38:17cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:01:6b:fb:6e:64 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-15748) 05/16/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 6.48 0.52 5.63 0.32 235.07 1438.17 486.89 10:20:17 11.80 0.51 10.54 0.75 18.49 1752.23 1857.70 Average: 9.18 0.51 8.12 0.54 125.28 1597.38 1181.79 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8744340 11856324 4106420 25.08 113164 3162756 4268680 24.50 556480 6717668 404 10:20:17 9262384 12925484 3033528 18.53 131840 3662900 3854888 22.13 730780 6006188 120880 Average: 9003362 12390904 3569974 21.80 122502 3412828 4061784 23.31 643630 6361928 60642 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 15.79 12.79 141.04 2.87 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:17 lo 250.77 250.77 238.63 238.63 0.00 0.00 0.00 0.00 10:20:17 ens3 35.27 26.09 402.06 3.49 0.00 0.00 0.00 0.00 10:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 127.44 127.44 121.16 121.16 0.00 0.00 0.00 0.00 Average: ens3 25.66 19.54 273.36 3.18 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-15748) 05/16/26 _x86_64_ (4 CPU) 09:56:25 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 50.22 0.00 0.75 0.05 0.08 48.89 10:10:01 0 49.98 0.00 0.63 0.03 0.08 49.28 10:10:01 1 58.77 0.00 0.82 0.06 0.09 40.26 10:10:01 2 49.97 0.00 0.86 0.03 0.08 49.06 10:10:01 3 42.19 0.00 0.70 0.06 0.08 56.98 10:20:17 all 52.78 0.00 0.99 0.03 0.08 46.12 10:20:17 0 71.36 0.00 0.90 0.02 0.10 27.62 10:20:17 1 49.10 0.00 1.03 0.03 0.08 49.75 10:20:17 2 44.78 0.00 0.95 0.04 0.07 54.15 10:20:17 3 45.86 0.00 1.06 0.04 0.08 52.95 Average: all 51.52 0.00 0.87 0.04 0.08 47.49 Average: 0 60.81 0.00 0.77 0.03 0.09 38.30 Average: 1 53.87 0.00 0.92 0.05 0.09 45.07 Average: 2 47.34 0.00 0.91 0.03 0.08 51.64 Average: 3 44.05 0.00 0.89 0.05 0.08 54.94