---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25382 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 11G 67G 14% / 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 652 10293 4 5043 14994 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:e3:9b:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84305sec preferred_lft 84305sec inet6 fe80::f816:3eff:fee3:9bca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:04:ac:86:35:9f 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-25382) 06/06/26 _x86_64_ (4 CPU) 15:28:24 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:10 26.04 1.15 10.99 13.89 243.79 2056.23 248561.54 15:50:11 18.08 2.31 14.66 1.11 138.58 3284.99 2564.37 16:00:13 35.04 0.78 29.82 4.43 27.52 4183.88 12096.55 Average: 26.39 1.41 18.49 6.48 136.59 3175.41 87704.11 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:10 12810564 15512088 459136 2.80 102976 2785936 1003848 5.76 431340 2786456 184 15:50:11 9699636 13458928 2497512 15.25 148840 3708576 2791628 16.02 716776 5545492 48328 16:00:13 10590248 15394820 554540 3.39 175648 4656280 1117516 6.41 989108 4292144 164 Average: 11033483 14788612 1170396 7.15 142488 3716931 1637664 9.40 712408 4208031 16225 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:10 lo 0.26 0.26 0.02 0.02 0.00 0.00 0.00 0.00 15:40:10 ens3 25.94 19.90 442.00 3.29 0.00 0.00 0.00 0.00 15:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:11 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:50:11 ens3 106.83 86.15 600.58 22.10 0.00 0.00 0.00 0.00 15:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:13 lo 1655.28 1655.28 1571.64 1571.64 0.00 0.00 0.00 0.00 16:00:13 ens3 98.72 82.04 409.75 83.13 0.00 0.00 0.00 0.00 16:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 552.64 552.64 524.25 524.25 0.00 0.00 0.00 0.00 Average: ens3 77.18 62.71 484.10 36.19 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-25382) 06/06/26 _x86_64_ (4 CPU) 15:28:24 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:10 all 1.07 0.00 0.26 0.20 0.02 98.45 15:40:10 0 2.41 0.00 0.28 0.31 0.02 96.97 15:40:10 1 0.38 0.00 0.19 0.05 0.02 99.37 15:40:10 2 0.82 0.00 0.24 0.20 0.02 98.72 15:40:10 3 0.66 0.00 0.33 0.25 0.02 98.74 15:50:11 all 72.63 0.00 2.31 0.08 0.11 24.87 15:50:11 0 72.24 0.00 2.33 0.04 0.12 25.27 15:50:11 1 71.51 0.00 2.11 0.09 0.11 26.18 15:50:11 2 72.53 0.00 2.54 0.06 0.11 24.75 15:50:11 3 74.23 0.00 2.25 0.13 0.11 23.27 16:00:13 all 57.02 0.00 2.42 0.14 0.09 40.33 16:00:13 0 58.41 0.00 2.25 0.11 0.09 39.13 16:00:13 1 56.98 0.00 2.81 0.13 0.10 39.98 16:00:13 2 56.76 0.00 2.35 0.18 0.09 40.62 16:00:13 3 55.93 0.00 2.26 0.13 0.10 41.57 Average: all 43.57 0.00 1.66 0.14 0.08 54.55 Average: 0 44.33 0.00 1.62 0.15 0.08 53.82 Average: 1 42.98 0.00 1.71 0.09 0.08 55.15 Average: 2 43.36 0.00 1.71 0.15 0.07 54.71 Average: 3 43.59 0.00 1.61 0.17 0.08 54.55