---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22340 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: 5599.94 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 621 10787 4 4579 15025 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:ec:3a:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84890sec preferred_lft 84890sec inet6 fe80::f816:3eff:feec:3aa4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:bc:12:a9:07:48 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-22340) 06/01/26 _x86_64_ (4 CPU) 19:07:42 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 1.36 0.04 1.31 0.01 1.76 16.53 222.04 19:30:03 54.67 4.78 47.80 2.08 277.21 5088.90 7574.49 Average: 27.79 2.39 24.36 1.04 138.32 2531.19 3867.06 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 13784020 15533956 484860 2.96 53852 1923008 1147352 6.59 193120 2142772 208 19:30:03 9923092 13250444 2711140 16.56 121588 3357776 3068900 17.62 533644 5552928 267712 Average: 11853556 14392200 1598000 9.76 87720 2640392 2108126 12.10 363382 3847850 133960 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 19:20:14 ens3 0.36 0.12 0.09 0.04 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 741.62 741.62 706.84 706.84 0.00 0.00 0.00 0.00 19:30:03 ens3 131.78 98.53 1136.14 18.25 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 367.71 367.71 350.42 350.42 0.00 0.00 0.00 0.00 Average: ens3 65.51 48.91 563.29 9.07 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-22340) 06/01/26 _x86_64_ (4 CPU) 19:07:42 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 0.12 0.00 0.04 0.01 0.01 99.83 19:20:14 0 0.03 0.00 0.03 0.02 0.01 99.91 19:20:14 1 0.36 0.00 0.04 0.00 0.02 99.59 19:20:14 2 0.06 0.00 0.05 0.01 0.02 99.87 19:20:14 3 0.03 0.00 0.03 0.00 0.01 99.94 19:30:03 all 33.24 0.00 1.56 0.27 0.07 64.86 19:30:03 0 30.52 0.00 1.35 0.76 0.06 67.31 19:30:03 1 32.27 0.00 1.59 0.08 0.07 65.98 19:30:03 2 33.50 0.00 1.65 0.11 0.06 64.68 19:30:03 3 36.68 0.00 1.64 0.13 0.07 61.48 Average: all 16.53 0.00 0.79 0.14 0.04 82.51 Average: 0 15.13 0.00 0.68 0.39 0.04 83.77 Average: 1 16.18 0.00 0.81 0.04 0.04 82.93 Average: 2 16.63 0.00 0.84 0.06 0.04 82.43 Average: 3 18.17 0.00 0.83 0.06 0.04 80.90