---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8294 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: 5600.00 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 682 9443 4 5863 14964 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:59:5c:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84620sec preferred_lft 84620sec inet6 fe80::f816:3eff:fe59:5cbe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:8e:e4:8e:44:a2 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-8294) 04/26/26 _x86_64_ (4 CPU) 19:54:21 LINUX RESTART (4 CPU) 20:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:03 26.29 0.03 10.91 15.35 0.81 885.08 263710.19 20:20:03 34.73 0.19 30.59 3.95 5.84 7305.80 28699.96 Average: 30.51 0.11 20.75 9.65 3.33 4095.44 146205.07 20:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:03 9485436 12919436 3039620 18.56 129328 3427412 3238308 18.59 678392 5815712 184 20:20:03 7501516 12988316 2960160 18.08 163340 5351996 3006520 17.26 1491444 6886312 51132 Average: 8493476 12953876 2999890 18.32 146334 4389704 3122414 17.92 1084918 6351012 25658 20:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:03 lo 44.86 44.86 10.58 10.58 0.00 0.00 0.00 0.00 20:10:03 ens3 11.07 9.81 12.77 3.19 0.00 0.00 0.00 0.00 20:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 1685.46 1685.46 1597.73 1597.73 0.00 0.00 0.00 0.00 20:20:03 ens3 72.41 56.63 466.67 14.14 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 865.16 865.16 804.15 804.15 0.00 0.00 0.00 0.00 Average: ens3 41.74 33.22 239.72 8.66 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-8294) 04/26/26 _x86_64_ (4 CPU) 19:54:21 LINUX RESTART (4 CPU) 20:00:03 CPU %user %nice %system %iowait %steal %idle 20:10:03 all 24.39 0.00 1.00 0.09 0.09 74.43 20:10:03 0 24.13 0.00 1.00 0.06 0.09 74.72 20:10:03 1 24.53 0.00 1.00 0.17 0.09 74.21 20:10:03 2 24.33 0.00 1.05 0.09 0.09 74.45 20:10:03 3 24.56 0.00 0.95 0.04 0.09 74.36 20:20:03 all 44.93 0.00 2.24 0.13 0.09 52.61 20:20:03 0 46.59 0.00 2.09 0.07 0.09 51.16 20:20:03 1 42.06 0.00 2.27 0.13 0.09 55.45 20:20:03 2 45.32 0.00 2.28 0.10 0.09 52.21 20:20:03 3 45.75 0.00 2.34 0.21 0.09 51.61 Average: all 34.66 0.00 1.62 0.11 0.09 63.52 Average: 0 35.35 0.00 1.54 0.07 0.09 62.95 Average: 1 33.30 0.00 1.64 0.15 0.09 64.82 Average: 2 34.81 0.00 1.66 0.10 0.09 63.34 Average: 3 35.15 0.00 1.64 0.13 0.09 62.99