---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16294 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 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 681 10578 4 4729 14965 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:a6:1c:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84883sec preferred_lft 84883sec inet6 fe80::f816:3eff:fea6:1c74/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:e8:9b:55:9f:11 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-16294) 05/18/26 _x86_64_ (4 CPU) 10:08:07 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 17.96 2.07 14.80 1.08 132.86 3910.91 3012.73 10:30:24 29.11 1.02 23.87 4.21 33.77 4124.12 3387.01 Average: 23.64 1.54 19.43 2.68 82.31 4019.67 3203.65 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 10514740 13889628 2069440 12.64 136800 3357644 2382232 13.67 581756 4881088 23620 10:30:24 10898172 15381040 569984 3.48 171716 4350908 1114756 6.40 894732 4090140 276 Average: 10706456 14635334 1319712 8.06 154258 3854276 1748494 10.04 738244 4485614 11948 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 10:20:01 ens3 101.11 80.61 606.22 21.51 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:24 lo 1665.58 1665.58 1580.08 1580.08 0.00 0.00 0.00 0.00 10:30:24 ens3 97.70 80.87 420.60 97.16 0.00 0.00 0.00 0.00 10:30:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 850.30 850.30 806.07 806.07 0.00 0.00 0.00 0.00 Average: ens3 99.37 80.74 511.54 60.10 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-16294) 05/18/26 _x86_64_ (4 CPU) 10:08:07 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 71.05 0.00 2.38 0.07 0.14 26.37 10:20:01 0 69.24 0.00 2.19 0.07 0.14 28.36 10:20:01 1 72.74 0.00 2.43 0.04 0.13 24.65 10:20:01 2 72.26 0.00 2.48 0.06 0.14 25.07 10:20:01 3 69.95 0.00 2.40 0.10 0.14 27.41 10:30:24 all 59.99 0.00 2.65 0.10 0.12 37.15 10:30:24 0 57.73 0.00 2.46 0.11 0.12 39.58 10:30:24 1 62.45 0.00 2.80 0.11 0.12 34.52 10:30:24 2 63.75 0.00 2.89 0.04 0.11 33.20 10:30:24 3 56.04 0.00 2.44 0.12 0.11 41.29 Average: all 65.41 0.00 2.51 0.08 0.13 31.87 Average: 0 63.36 0.00 2.33 0.09 0.13 34.09 Average: 1 67.49 0.00 2.62 0.08 0.13 29.69 Average: 2 67.92 0.00 2.69 0.05 0.12 29.22 Average: 3 62.86 0.00 2.42 0.11 0.13 34.48