---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26491 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 11G 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 670 9802 4 5516 14976 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:e9:a7:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84480sec preferred_lft 84480sec inet6 fe80::f816:3eff:fee9:a7b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:3c:38:6d:18:5a 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-26491) 06/10/26 _x86_64_ (4 CPU) 16:23:11 LINUX RESTART (4 CPU) 16:30:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:02 14.21 0.03 11.92 2.26 0.67 821.94 52747.99 16:50:02 47.70 0.19 29.38 18.13 5.94 5815.98 276210.65 Average: 31.31 0.11 20.83 10.36 3.36 3371.01 166808.13 16:30:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:02 9495500 13067512 2891208 17.66 156488 3538004 3179600 18.25 739816 5747684 236 16:50:02 7872144 13115444 2834516 17.31 185492 5098072 3000824 17.22 1347848 6679752 134472 Average: 8683822 13091478 2862862 17.49 170990 4318038 3090212 17.74 1043832 6213718 67354 16:30:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:02 lo 48.99 48.99 11.74 11.74 0.00 0.00 0.00 0.00 16:40:02 ens3 7.64 5.92 8.08 2.03 0.00 0.00 0.00 0.00 16:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:02 lo 1912.41 1912.41 1817.31 1817.31 0.00 0.00 0.00 0.00 16:50:02 ens3 74.74 56.68 477.85 14.20 0.00 0.00 0.00 0.00 16:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1000.12 1000.12 933.34 933.34 0.00 0.00 0.00 0.00 Average: ens3 41.89 31.83 247.86 8.24 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-26491) 06/10/26 _x86_64_ (4 CPU) 16:23:11 LINUX RESTART (4 CPU) 16:30:27 CPU %user %nice %system %iowait %steal %idle 16:40:02 all 17.75 0.00 0.80 0.12 0.09 81.25 16:40:02 0 16.44 0.00 0.87 0.03 0.10 82.56 16:40:02 1 18.75 0.00 0.74 0.25 0.08 80.18 16:40:02 2 17.69 0.00 0.85 0.04 0.08 81.33 16:40:02 3 18.11 0.00 0.72 0.16 0.08 80.93 16:50:02 all 47.17 0.00 2.35 0.11 0.09 50.29 16:50:02 0 45.90 0.00 2.58 0.16 0.09 51.27 16:50:02 1 47.73 0.00 2.34 0.08 0.09 49.76 16:50:02 2 49.02 0.00 2.44 0.11 0.09 48.34 16:50:02 3 46.04 0.00 2.03 0.07 0.08 51.77 Average: all 32.74 0.00 1.59 0.11 0.09 65.47 Average: 0 31.46 0.00 1.74 0.10 0.09 66.61 Average: 1 33.49 0.00 1.55 0.16 0.09 64.71 Average: 2 33.67 0.00 1.66 0.08 0.08 64.50 Average: 3 32.36 0.00 1.39 0.11 0.08 66.06