---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19243 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 694 9231 4 6063 14952 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:fd:e5:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84503sec preferred_lft 84503sec inet6 fe80::f816:3eff:fefd:e569/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:c8:85:1b:4e:4d 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-19243) 05/23/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:02 11.24 0.03 9.47 1.75 0.64 751.25 25885.84 05:40:15 37.41 0.18 32.60 4.63 5.65 8037.03 26816.76 Average: 24.45 0.10 21.15 3.20 3.17 4429.66 26355.84 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:02 9305964 12950748 3006992 18.37 131820 3626944 3232496 18.55 739480 5919488 1120 05:40:15 6809808 12675964 3269656 19.97 172856 5697600 3418492 19.62 1623028 7407040 7260 Average: 8057886 12813356 3138324 19.17 152338 4662272 3325494 19.09 1181254 6663264 4190 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:02 lo 53.83 53.83 13.28 13.28 0.00 0.00 0.00 0.00 05:30:02 ens3 7.90 6.62 8.52 2.40 0.00 0.00 0.00 0.00 05:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:15 lo 2258.52 2258.52 2173.15 2173.15 0.00 0.00 0.00 0.00 05:40:15 ens3 71.58 55.13 457.73 14.36 0.00 0.00 0.00 0.00 05:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1166.92 1166.92 1103.74 1103.74 0.00 0.00 0.00 0.00 Average: ens3 40.05 31.11 235.32 8.43 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-19243) 05/23/26 _x86_64_ (4 CPU) 05:12:28 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:02 all 18.68 0.00 0.84 0.06 0.09 80.33 05:30:02 0 18.84 0.00 0.85 0.07 0.10 80.14 05:30:02 1 18.82 0.00 0.85 0.10 0.09 80.14 05:30:02 2 17.55 0.00 0.84 0.04 0.09 81.49 05:30:02 3 19.52 0.00 0.81 0.03 0.10 79.54 05:40:15 all 51.96 0.00 2.67 1.45 0.11 43.81 05:40:15 0 49.46 0.00 2.81 0.87 0.11 46.75 05:40:15 1 50.05 0.00 2.41 2.56 0.11 44.86 05:40:15 2 56.54 0.00 2.91 0.96 0.11 39.47 05:40:15 3 51.78 0.00 2.53 1.41 0.11 44.16 Average: all 35.46 0.00 1.76 0.76 0.10 61.92 Average: 0 34.29 0.00 1.84 0.48 0.10 63.30 Average: 1 34.56 0.00 1.64 1.34 0.10 62.36 Average: 2 37.20 0.00 1.88 0.50 0.10 60.32 Average: 3 35.78 0.00 1.68 0.73 0.10 61.70