---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37715 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 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 731 9497 4 5760 14915 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:a8:00:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.64/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84424sec preferred_lft 84424sec inet6 fe80::f816:3eff:fea8:70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:68:3b:b9:2b:e7 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-37715) 07/22/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 41.61 2.94 23.13 15.53 363.15 5198.20 249931.39 06:50:06 31.95 0.04 28.77 3.14 1.55 3072.72 14326.33 Average: 36.70 1.47 26.00 9.23 179.29 4117.50 130137.71 06:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 8799948 12870132 3084688 18.84 158508 3986340 3210924 18.43 806092 6326368 174384 06:50:06 8031100 13310020 2638644 16.12 186616 5101580 2768156 15.89 1070384 6743140 808948 Average: 8415524 13090076 2861666 17.48 172562 4543960 2989540 17.16 938238 6534754 491666 06:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 910.06 910.06 867.42 867.42 0.00 0.00 0.00 0.00 06:40:01 ens3 120.81 93.56 891.20 19.15 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:06 lo 1361.30 1361.30 1297.21 1297.21 0.00 0.00 0.00 0.00 06:50:06 ens3 51.07 40.67 210.34 11.45 0.00 0.00 0.00 0.00 06:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1139.50 1139.50 1085.94 1085.94 0.00 0.00 0.00 0.00 Average: ens3 85.35 66.67 545.02 15.23 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-37715) 07/22/26 _x86_64_ (4 CPU) 06:26:29 LINUX RESTART (4 CPU) 06:30:15 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 64.61 0.00 2.23 0.09 0.13 32.94 06:40:01 0 65.94 0.00 2.39 0.10 0.13 31.43 06:40:01 1 63.33 0.00 2.27 0.10 0.13 34.17 06:40:01 2 62.63 0.00 2.12 0.11 0.12 35.02 06:40:01 3 66.54 0.00 2.15 0.06 0.12 31.14 06:50:06 all 56.29 0.00 2.49 0.08 0.14 41.00 06:50:06 0 56.58 0.00 2.67 0.12 0.14 40.49 06:50:06 1 56.98 0.00 2.62 0.05 0.14 40.21 06:50:06 2 56.81 0.00 2.47 0.06 0.15 40.52 06:50:06 3 54.79 0.00 2.19 0.11 0.13 42.77 Average: all 60.38 0.00 2.36 0.09 0.13 37.03 Average: 0 61.19 0.00 2.54 0.11 0.14 36.03 Average: 1 60.10 0.00 2.45 0.07 0.14 37.24 Average: 2 59.67 0.00 2.30 0.08 0.13 37.82 Average: 3 60.57 0.00 2.17 0.09 0.13 37.05