---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32107 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 688 10484 4 4816 14958 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:e7:21:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84622sec preferred_lft 84622sec inet6 fe80::f816:3eff:fee7:2156/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:c1:97:6f:bb:de 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-32107) 07/01/26 _x86_64_ (4 CPU) 11:40:59 LINUX RESTART (4 CPU) 11:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:06 10.98 0.45 9.42 1.10 17.45 2151.46 3020.31 12:10:01 29.08 0.74 23.87 4.47 26.83 3795.94 6057.03 Average: 19.95 0.59 16.58 2.77 22.10 2965.97 4524.40 11:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:06 9682688 13333116 2623800 16.03 148768 3591268 2903792 16.67 651556 5624988 29268 12:10:01 10789296 15364992 585260 3.57 176556 4429868 1108432 6.36 907804 4178872 14920 Average: 10235992 14349054 1604530 9.80 162662 4010568 2006112 11.52 779680 4901930 22094 11:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:06 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 12:00:06 ens3 69.72 53.12 101.56 17.24 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 1746.98 1746.98 1652.42 1652.42 0.00 0.00 0.00 0.00 12:10:01 ens3 126.02 113.52 420.29 192.80 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 866.00 866.00 818.52 818.52 0.00 0.00 0.00 0.00 Average: ens3 97.61 83.03 259.43 104.19 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-32107) 07/01/26 _x86_64_ (4 CPU) 11:40:59 LINUX RESTART (4 CPU) 11:50:01 CPU %user %nice %system %iowait %steal %idle 12:00:06 all 72.38 0.00 2.36 0.03 0.09 25.14 12:00:06 0 72.57 0.00 2.03 0.03 0.09 25.28 12:00:06 1 71.04 0.00 2.45 0.01 0.09 26.40 12:00:06 2 73.68 0.00 2.51 0.05 0.09 23.67 12:00:06 3 72.22 0.00 2.45 0.04 0.09 25.20 12:10:01 all 45.28 0.00 2.17 0.09 0.08 52.37 12:10:01 0 41.82 0.00 2.02 0.11 0.08 55.97 12:10:01 1 49.60 0.00 2.17 0.09 0.08 48.06 12:10:01 2 46.44 0.00 2.51 0.10 0.08 50.86 12:10:01 3 43.27 0.00 1.96 0.07 0.08 54.61 Average: all 58.96 0.00 2.26 0.06 0.09 38.63 Average: 0 57.34 0.00 2.03 0.07 0.09 40.48 Average: 1 60.42 0.00 2.31 0.05 0.09 37.13 Average: 2 60.20 0.00 2.51 0.08 0.09 37.13 Average: 3 57.88 0.00 2.21 0.06 0.09 39.77