---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30278 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 9.9G 68G 13% / 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 10929 4 4377 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:b4:21:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84373sec preferred_lft 84373sec inet6 fe80::f816:3eff:feb4:211a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:c0:70:01:e5:55 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-30278) 06/24/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 58.79 2.60 35.55 20.65 143.83 4249.15 250738.06 21:20:19 32.36 0.29 26.53 5.53 11.39 3406.47 7324.38 Average: 45.30 1.42 30.95 12.93 76.24 3819.08 126508.62 21:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 10545684 13913112 2045700 12.49 157448 3326780 2196024 12.61 571748 4845348 22904 21:20:19 11280824 15399168 554816 3.39 199268 3975036 1101656 6.32 789380 3816952 132 Average: 10913254 14656140 1300258 7.94 178358 3650908 1648840 9.46 680564 4331150 11518 21:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 3630.67 3630.67 3462.19 3462.19 0.00 0.00 0.00 0.00 21:10:01 ens3 161.93 122.82 795.87 31.18 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:19 lo 2404.53 2404.53 2281.89 2281.89 0.00 0.00 0.00 0.00 21:20:19 ens3 106.67 91.96 112.48 125.64 0.00 0.00 0.00 0.00 21:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3004.89 3004.89 2859.81 2859.81 0.00 0.00 0.00 0.00 Average: ens3 133.73 107.07 447.09 79.39 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-30278) 06/24/26 _x86_64_ (4 CPU) 20:53:18 LINUX RESTART (4 CPU) 21:00:08 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 56.59 0.00 3.33 0.12 0.09 39.87 21:10:01 0 57.66 0.00 3.63 0.13 0.09 38.49 21:10:01 1 57.03 0.00 3.17 0.05 0.08 39.66 21:10:01 2 54.87 0.00 3.15 0.23 0.08 41.66 21:10:01 3 56.80 0.00 3.36 0.08 0.09 39.68 21:20:19 all 39.74 0.00 2.33 0.12 0.07 57.74 21:20:19 0 37.04 0.00 1.98 0.07 0.07 60.84 21:20:19 1 39.40 0.00 2.19 0.19 0.07 58.15 21:20:19 2 40.49 0.00 2.44 0.15 0.08 56.84 21:20:19 3 42.02 0.00 2.73 0.05 0.07 55.12 Average: all 47.99 0.00 2.82 0.12 0.08 48.99 Average: 0 47.13 0.00 2.79 0.10 0.08 49.90 Average: 1 48.04 0.00 2.67 0.12 0.08 49.09 Average: 2 47.53 0.00 2.79 0.19 0.08 49.41 Average: 3 49.25 0.00 3.04 0.07 0.08 47.57