---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1554 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 9.8G 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 607 11220 4 4161 15039 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:20:73:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:fe20:737d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:8f:32:0a:23:fe 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-1554) 08/02/26 _x86_64_ (4 CPU) 17:45:04 LINUX RESTART (4 CPU) 17:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:00 2.27 0.04 2.21 0.02 2.00 47.92 87.03 18:10:05 14.65 2.01 11.57 1.06 129.40 3137.87 2812.57 Average: 8.52 1.04 6.93 0.55 66.28 1606.91 1462.17 17:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:00 13040872 15515212 459060 2.80 99280 2563896 1011120 5.80 340204 2663056 4 18:10:05 10234292 13704464 2254244 13.77 140828 3438448 2616300 15.02 587912 5143204 23956 Average: 11637582 14609838 1356652 8.29 120054 3001172 1813710 10.41 464058 3903130 11980 17:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 18:00:00 ens3 16.36 14.00 204.34 1.52 0.00 0.00 0.00 0.00 18:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:05 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 18:10:05 ens3 118.19 89.39 585.41 21.16 0.00 0.00 0.00 0.00 18:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 67.74 52.03 396.60 11.43 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-1554) 08/02/26 _x86_64_ (4 CPU) 17:45:04 LINUX RESTART (4 CPU) 17:50:05 CPU %user %nice %system %iowait %steal %idle 18:00:00 all 0.38 0.00 0.06 0.01 0.02 99.53 18:00:00 0 0.03 0.00 0.02 0.02 0.01 99.92 18:00:00 1 0.22 0.00 0.07 0.01 0.01 99.68 18:00:00 2 1.16 0.00 0.09 0.03 0.04 98.68 18:00:00 3 0.11 0.00 0.04 0.00 0.02 99.83 18:10:05 all 68.94 0.00 2.18 0.05 0.10 28.74 18:10:05 0 68.17 0.00 2.22 0.05 0.09 29.47 18:10:05 1 68.13 0.00 2.29 0.09 0.09 29.41 18:10:05 2 69.10 0.00 2.09 0.03 0.10 28.69 18:10:05 3 70.36 0.00 2.12 0.03 0.10 27.40 Average: all 34.91 0.00 1.13 0.03 0.06 63.88 Average: 0 34.35 0.00 1.13 0.04 0.05 64.43 Average: 1 34.48 0.00 1.19 0.05 0.05 64.23 Average: 2 35.30 0.00 1.10 0.03 0.07 63.50 Average: 3 35.50 0.00 1.09 0.01 0.06 63.34