---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20133 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 13% / 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 655 10616 4 4717 14991 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:cc:d8:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84947sec preferred_lft 84947sec inet6 fe80::f816:3eff:fecc:d8be/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:94:75:65:bf:62 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-20133) 05/25/26 _x86_64_ (4 CPU) 21:56:49 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:32 63.24 2.96 40.05 20.23 711.11 5209.72 260117.54 22:20:04 30.74 0.34 24.50 5.90 12.83 3273.59 10822.31 Average: 47.79 1.71 32.66 13.42 379.23 4289.50 141630.83 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:32 9970168 13796912 2159712 13.19 166908 3761276 2428900 13.94 804608 5190244 62812 22:20:04 10959356 15427256 524604 3.20 201252 4319284 1081232 6.21 991876 3923500 3028 Average: 10464762 14612084 1342158 8.20 184080 4040280 1755066 10.07 898242 4556872 32920 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:32 lo 4085.08 4085.08 3895.60 3895.60 0.00 0.00 0.00 0.00 22:10:32 ens3 195.17 129.42 923.92 30.86 0.00 0.00 0.00 0.00 22:10:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:04 lo 2099.73 2099.73 1981.88 1981.88 0.00 0.00 0.00 0.00 22:20:04 ens3 119.44 118.90 134.78 190.87 0.00 0.00 0.00 0.00 22:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3141.47 3141.47 2986.03 2986.03 0.00 0.00 0.00 0.00 Average: ens3 159.18 124.42 548.86 106.91 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-20133) 05/25/26 _x86_64_ (4 CPU) 21:56:49 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:32 all 63.66 0.00 3.94 0.24 0.15 32.01 22:10:32 0 63.04 0.00 3.90 0.26 0.14 32.66 22:10:32 1 63.71 0.00 4.25 0.26 0.15 31.63 22:10:32 2 64.29 0.00 3.76 0.24 0.15 31.56 22:10:32 3 63.60 0.00 3.84 0.20 0.15 32.21 22:20:04 all 39.99 0.00 2.32 0.14 0.11 57.45 22:20:04 0 39.89 0.00 2.53 0.20 0.10 57.27 22:20:04 1 35.71 0.00 2.18 0.10 0.10 61.91 22:20:04 2 43.02 0.00 2.25 0.15 0.11 54.48 22:20:04 3 41.33 0.00 2.32 0.09 0.11 56.15 Average: all 52.39 0.00 3.17 0.19 0.13 44.12 Average: 0 52.01 0.00 3.25 0.23 0.12 44.38 Average: 1 50.37 0.00 3.26 0.19 0.13 46.05 Average: 2 54.17 0.00 3.04 0.20 0.13 42.47 Average: 3 53.01 0.00 3.12 0.15 0.13 43.59