---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33146 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 67G 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 655 10452 4 4881 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:1b:44:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84929sec preferred_lft 84929sec inet6 fe80::f816:3eff:fe1b:4405/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:a6:91:86:cb:d5 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-33146) 07/05/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:06 18.04 2.97 14.12 0.95 168.00 4243.22 2432.87 15:00:04 30.23 1.07 24.96 4.20 35.58 4697.42 4500.69 Average: 24.10 2.02 19.51 2.57 102.17 4469.04 3460.94 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:06 10493928 13876868 2082796 12.72 133700 3367712 2432116 13.96 571176 4914096 41904 15:00:04 10751876 15390944 560044 3.42 173740 4490084 1101604 6.32 909264 4210172 33844 Average: 10622902 14633906 1321420 8.07 153720 3928898 1766860 10.14 740220 4562134 37874 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:06 lo 1.25 1.25 0.12 0.12 0.00 0.00 0.00 0.00 14:50:06 ens3 108.79 86.48 712.69 21.81 0.00 0.00 0.00 0.00 14:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:04 lo 1501.49 1501.49 1429.24 1429.24 0.00 0.00 0.00 0.00 15:00:04 ens3 84.96 72.17 436.58 44.00 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 747.13 747.13 710.65 710.65 0.00 0.00 0.00 0.00 Average: ens3 96.94 79.36 575.42 32.84 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-33146) 07/05/26 _x86_64_ (4 CPU) 14:38:20 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:06 all 58.48 0.00 1.94 0.06 0.08 39.43 14:50:06 0 56.89 0.00 2.16 0.06 0.08 40.81 14:50:06 1 58.99 0.00 1.91 0.06 0.08 38.95 14:50:06 2 59.09 0.00 1.97 0.06 0.08 38.79 14:50:06 3 58.97 0.00 1.74 0.06 0.08 39.15 15:00:04 all 66.80 0.00 2.64 0.07 0.09 30.41 15:00:04 0 66.89 0.00 2.54 0.04 0.09 30.44 15:00:04 1 67.19 0.00 2.73 0.05 0.09 29.94 15:00:04 2 65.05 0.00 2.57 0.13 0.09 32.16 15:00:04 3 68.04 0.00 2.71 0.06 0.09 29.10 Average: all 62.62 0.00 2.29 0.06 0.09 34.94 Average: 0 61.86 0.00 2.35 0.05 0.09 35.65 Average: 1 63.07 0.00 2.32 0.06 0.09 34.47 Average: 2 62.06 0.00 2.27 0.09 0.09 35.50 Average: 3 63.48 0.00 2.22 0.06 0.09 34.15