---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36148 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 680 10480 4 4828 14966 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:f9:b0:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84481sec preferred_lft 84481sec inet6 fe80::f816:3eff:fef9:b0d0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:8a:20:71:a8:1d 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-36148) 07/15/26 _x86_64_ (4 CPU) 18:31:48 LINUX RESTART (4 CPU) 18:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:23 14.34 1.98 11.30 1.06 127.55 3089.27 1863.28 19:00:01 31.50 0.95 26.04 4.51 34.42 4484.82 2843.84 Average: 22.67 1.48 18.45 2.74 82.37 3766.31 2338.99 18:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:23 10263184 13738416 2220360 13.56 139504 3445676 2571888 14.76 584264 5134096 22512 19:00:01 10797804 15382808 568632 3.47 172524 4443112 1112888 6.39 895816 4178196 740 Average: 10530494 14560612 1394496 8.52 156014 3944394 1842388 10.58 740040 4656146 11626 18:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:23 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 18:50:23 ens3 96.27 76.53 574.00 19.52 0.00 0.00 0.00 0.00 18:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 1710.01 1710.01 1627.10 1627.10 0.00 0.00 0.00 0.00 19:00:01 ens3 95.45 75.12 446.63 63.26 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 830.29 830.29 789.44 789.44 0.00 0.00 0.00 0.00 Average: ens3 95.87 75.85 512.21 40.74 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-36148) 07/15/26 _x86_64_ (4 CPU) 18:31:48 LINUX RESTART (4 CPU) 18:40:08 CPU %user %nice %system %iowait %steal %idle 18:50:23 all 69.20 0.00 2.19 0.04 0.12 28.46 18:50:23 0 68.11 0.00 1.87 0.04 0.12 29.86 18:50:23 1 70.70 0.00 2.58 0.05 0.12 26.54 18:50:23 2 68.51 0.00 2.35 0.03 0.12 28.99 18:50:23 3 69.48 0.00 1.94 0.03 0.12 28.43 19:00:01 all 62.79 0.00 2.63 0.07 0.10 34.41 19:00:01 0 65.11 0.00 2.61 0.03 0.10 32.16 19:00:01 1 61.93 0.00 2.49 0.06 0.10 35.43 19:00:01 2 62.18 0.00 2.61 0.06 0.10 35.04 19:00:01 3 61.96 0.00 2.81 0.13 0.10 35.00 Average: all 66.09 0.00 2.40 0.05 0.11 31.34 Average: 0 66.65 0.00 2.23 0.03 0.11 30.98 Average: 1 66.45 0.00 2.54 0.05 0.11 30.85 Average: 2 65.44 0.00 2.48 0.04 0.11 31.93 Average: 3 65.84 0.00 2.36 0.08 0.11 31.62