---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-363 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 67G 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 693 9597 4 5697 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:03:43:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84144sec preferred_lft 84144sec inet6 fe80::f816:3eff:fe03:4375/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:d9:98:78:7f:00 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-363) 07/29/26 _x86_64_ (4 CPU) 14:00:14 LINUX RESTART (4 CPU) 14:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 23.60 0.54 20.83 2.23 17.93 3564.04 12539.39 14:30:05 32.19 0.05 29.11 3.03 1.63 6041.33 18900.86 Average: 27.95 0.29 25.02 2.63 9.67 4818.50 15760.75 14:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 9596388 13397304 2558040 15.62 160020 3721996 2795172 16.04 725876 5589764 13996 14:30:05 7866828 13098452 2850368 17.41 185824 5055264 3102992 17.81 1029736 6974572 14644 Average: 8731608 13247878 2704204 16.52 172922 4388630 2949082 16.93 877806 6282168 14320 14:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 1024.75 1024.75 976.20 976.20 0.00 0.00 0.00 0.00 14:20:01 ens3 63.83 48.24 333.62 13.18 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:05 lo 1182.66 1182.66 1126.46 1126.46 0.00 0.00 0.00 0.00 14:30:05 ens3 56.35 43.05 232.07 12.21 0.00 0.00 0.00 0.00 14:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1104.71 1104.71 1052.29 1052.29 0.00 0.00 0.00 0.00 Average: ens3 60.04 45.61 282.20 12.69 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-363) 07/29/26 _x86_64_ (4 CPU) 14:00:14 LINUX RESTART (4 CPU) 14:10:11 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 65.01 0.00 2.38 0.06 0.17 32.38 14:20:01 0 62.91 0.00 2.02 0.07 0.17 34.83 14:20:01 1 65.90 0.00 2.24 0.06 0.15 31.65 14:20:01 2 63.72 0.00 2.46 0.04 0.18 33.60 14:20:01 3 67.51 0.00 2.81 0.07 0.18 29.42 14:30:05 all 58.26 0.00 2.35 0.25 0.13 39.01 14:30:05 0 55.03 0.00 2.23 0.14 0.14 42.46 14:30:05 1 58.38 0.00 2.28 0.61 0.13 38.60 14:30:05 2 62.25 0.00 2.46 0.11 0.14 35.04 14:30:05 3 57.38 0.00 2.43 0.11 0.12 39.95 Average: all 61.59 0.00 2.37 0.15 0.15 35.74 Average: 0 58.92 0.00 2.12 0.11 0.15 38.70 Average: 1 62.09 0.00 2.26 0.34 0.14 35.17 Average: 2 62.98 0.00 2.46 0.07 0.16 34.33 Average: 3 62.38 0.00 2.62 0.09 0.15 34.76