---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14703 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 9.7G 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 622 11323 4 4042 15023 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:ea:4c:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83380sec preferred_lft 83380sec inet6 fe80::f816:3eff:feea:4cfb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:8c:88:28:ac:df 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-14703) 05/14/26 _x86_64_ (4 CPU) 15:33:38 LINUX RESTART (4 CPU) 15:40:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 1.33 0.01 1.32 0.01 0.04 15.83 0.58 16:00:29 1.19 0.00 1.19 0.00 0.00 13.67 0.00 16:10:29 1.21 0.00 1.21 0.00 0.00 13.32 0.00 16:20:01 65.75 5.12 57.55 3.09 296.73 5179.32 5838.52 Average: 16.77 1.23 14.79 0.74 71.43 1257.38 1405.37 15:40:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 13674748 15516812 499628 3.05 57052 2010912 1134176 6.51 224912 2218772 172 16:00:29 13671252 15513856 502596 3.07 57460 2011056 1134288 6.51 225324 2225312 8 16:10:29 13670496 15513476 503076 3.07 57844 2011064 1134288 6.51 225684 2225120 168 16:20:01 10110740 13511868 2448732 14.96 132160 3420072 2630628 15.10 617640 5286416 243976 Average: 12781809 15014003 988508 6.04 76129 2363276 1508345 8.66 323390 2988905 61081 15:40:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:50:01 ens3 1.09 0.18 0.24 0.11 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:29 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:00:29 ens3 0.87 0.70 0.19 0.86 0.00 0.00 0.00 0.00 16:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:29 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:10:29 ens3 0.34 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 692.84 692.84 659.53 659.53 0.00 0.00 0.00 0.00 16:20:01 ens3 135.17 105.18 1173.00 20.85 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 166.83 166.83 158.74 158.74 0.00 0.00 0.00 0.00 Average: ens3 33.11 25.57 282.44 5.28 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-14703) 05/14/26 _x86_64_ (4 CPU) 15:33:38 LINUX RESTART (4 CPU) 15:40:24 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 0.16 0.00 0.03 0.03 0.01 99.78 15:50:01 0 0.09 0.00 0.03 0.03 0.01 99.85 15:50:01 1 0.07 0.00 0.02 0.02 0.01 99.88 15:50:01 2 0.46 0.00 0.04 0.01 0.01 99.48 15:50:01 3 0.02 0.00 0.01 0.06 0.01 99.90 16:00:29 all 0.07 0.00 0.02 1.89 0.01 98.00 16:00:29 0 0.01 0.00 0.01 0.68 0.00 99.29 16:00:29 1 0.08 0.00 0.02 0.00 0.01 99.88 16:00:29 2 0.04 0.00 0.04 0.00 0.01 99.90 16:00:29 3 0.15 0.00 0.03 6.88 0.01 92.93 16:10:29 all 0.04 0.00 0.03 0.01 0.01 99.91 16:10:29 0 0.02 0.00 0.02 0.01 0.01 99.94 16:10:29 1 0.01 0.00 0.03 0.01 0.01 99.94 16:10:29 2 0.03 0.00 0.03 0.00 0.01 99.93 16:10:29 3 0.12 0.00 0.03 0.02 0.02 99.81 16:20:01 all 36.98 0.00 1.70 0.42 0.07 60.83 16:20:01 0 36.16 0.00 1.90 0.35 0.06 61.53 16:20:01 1 37.99 0.00 1.55 0.29 0.07 60.10 16:20:01 2 37.10 0.00 1.68 0.48 0.07 60.67 16:20:01 3 36.64 0.00 1.70 0.55 0.07 61.04 Average: all 8.95 0.00 0.43 0.61 0.02 89.98 Average: 0 8.72 0.00 0.47 0.27 0.02 90.52 Average: 1 9.17 0.00 0.39 0.08 0.02 90.33 Average: 2 9.04 0.00 0.43 0.12 0.03 90.38 Average: 3 8.88 0.00 0.43 1.97 0.03 88.70