---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22465 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 681 10240 4 5067 14965 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:88:12:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84699sec preferred_lft 84699sec inet6 fe80::f816:3eff:fe88:1268/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:8b:3e:72:ec:09 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-22465) 06/02/26 _x86_64_ (4 CPU) 04:05:39 LINUX RESTART (4 CPU) 04:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:20:15 15.82 2.44 12.18 1.21 532.11 3314.00 8020.65 04:30:08 43.02 13.10 25.34 4.59 168.58 4279.86 4090.11 Average: 29.34 7.73 18.72 2.89 351.43 3794.05 6067.08 04:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:20:15 10030856 13619944 2338584 14.28 139932 3565660 2585832 14.84 705952 5238728 14112 04:30:08 10559508 15389056 561220 3.43 176188 4669352 1099260 6.31 1069128 4239936 88268 Average: 10295182 14504500 1449902 8.86 158060 4117506 1842546 10.58 887540 4739332 51190 04:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:20:15 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 04:20:15 ens3 146.89 106.81 736.94 21.08 0.00 0.00 0.00 0.00 04:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:08 lo 1779.80 1779.80 1697.11 1697.11 0.00 0.00 0.00 0.00 04:30:08 ens3 87.09 65.22 433.66 17.89 0.00 0.00 0.00 0.00 04:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 885.22 885.22 843.57 843.57 0.00 0.00 0.00 0.00 Average: ens3 117.16 86.14 586.20 19.50 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-22465) 06/02/26 _x86_64_ (4 CPU) 04:05:39 LINUX RESTART (4 CPU) 04:10:15 CPU %user %nice %system %iowait %steal %idle 04:20:15 all 62.97 0.00 2.12 0.08 0.09 34.74 04:20:15 0 63.73 0.00 2.17 0.07 0.09 33.94 04:20:15 1 65.25 0.00 2.28 0.02 0.09 32.35 04:20:15 2 62.15 0.00 2.10 0.11 0.09 35.55 04:20:15 3 60.76 0.00 1.94 0.11 0.09 37.10 04:30:08 all 67.28 0.07 2.76 0.08 0.09 29.73 04:30:08 0 68.28 0.00 2.72 0.10 0.09 28.81 04:30:08 1 67.61 0.27 3.19 0.10 0.09 28.74 04:30:08 2 67.13 0.00 2.49 0.05 0.09 30.23 04:30:08 3 66.09 0.00 2.64 0.05 0.09 31.13 Average: all 65.11 0.03 2.44 0.08 0.09 32.25 Average: 0 65.99 0.00 2.44 0.08 0.09 31.39 Average: 1 66.42 0.13 2.73 0.06 0.09 30.56 Average: 2 64.63 0.00 2.29 0.08 0.09 32.91 Average: 3 63.41 0.00 2.29 0.08 0.09 34.13