---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34078 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 712 10136 4 5140 14934 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:98:d5:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84339sec preferred_lft 84339sec inet6 fe80::f816:3eff:fe98:d53f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:87:5a:6d:64:49 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34078) 08/11/26 _x86_64_ (4 CPU) 00:06:23 LINUX RESTART (4 CPU) 00:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:00 24.03 14.32 9.06 0.65 291.07 2489.42 4013.52 00:30:14 10.89 0.48 9.29 1.13 18.13 2208.98 2504.31 00:40:00 29.06 0.61 24.05 4.40 25.23 3860.53 2734.96 Average: 21.16 5.06 14.06 2.04 109.96 2843.25 3074.91 00:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:00 10979024 14289256 1671572 10.21 127048 3315708 2382784 13.68 544548 4484552 30124 00:30:14 9170012 13141404 2812976 17.18 157800 3880428 3083704 17.70 715172 6043360 26580 00:40:00 10486800 15394164 553992 3.38 185164 4730660 1082028 6.21 970996 4395064 9320 Average: 10211945 14274941 1679513 10.26 156671 3975599 2182839 12.53 743572 4974325 22008 00:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:00 lo 0.43 0.43 0.04 0.04 0.00 0.00 0.00 0.00 00:20:00 ens3 83.65 62.67 1029.61 10.00 0.00 0.00 0.00 0.00 00:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:14 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 00:30:14 ens3 76.73 57.44 95.82 19.01 0.00 0.00 0.00 0.00 00:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:00 lo 1839.53 1839.53 1740.47 1740.47 0.00 0.00 0.00 0.00 00:40:00 ens3 133.02 116.26 457.03 195.11 0.00 0.00 0.00 0.00 00:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 604.67 604.67 571.58 571.58 0.00 0.00 0.00 0.00 Average: ens3 97.49 78.47 520.61 73.88 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-34078) 08/11/26 _x86_64_ (4 CPU) 00:06:23 LINUX RESTART (4 CPU) 00:10:14 CPU %user %nice %system %iowait %steal %idle 00:20:00 all 18.73 0.07 0.75 0.13 0.05 80.27 00:20:00 0 18.61 0.12 0.79 0.12 0.05 80.31 00:20:00 1 18.77 0.01 0.80 0.04 0.05 80.33 00:20:00 2 19.16 0.05 0.77 0.13 0.04 79.84 00:20:00 3 18.37 0.11 0.62 0.24 0.05 80.61 00:30:14 all 72.07 0.00 2.27 0.02 0.12 25.53 00:30:14 0 71.36 0.00 2.22 0.03 0.11 26.28 00:30:14 1 71.61 0.00 2.21 0.02 0.11 26.05 00:30:14 2 71.60 0.00 2.27 0.02 0.12 25.99 00:30:14 3 73.70 0.00 2.37 0.03 0.12 23.78 00:40:00 all 43.84 0.00 2.21 0.09 0.10 53.76 00:40:00 0 43.75 0.00 2.21 0.06 0.11 53.88 00:40:00 1 43.05 0.00 1.92 0.05 0.09 54.89 00:40:00 2 45.79 0.00 2.39 0.20 0.10 51.52 00:40:00 3 42.78 0.00 2.35 0.03 0.10 54.74 Average: all 45.29 0.02 1.75 0.08 0.09 52.77 Average: 0 44.96 0.04 1.75 0.07 0.09 53.10 Average: 1 44.88 0.00 1.65 0.04 0.09 53.34 Average: 2 45.91 0.02 1.82 0.11 0.09 52.05 Average: 3 45.40 0.03 1.79 0.10 0.09 52.58