---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23332 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 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 762 9456 4 5770 14884 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:07:a1:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:fe07:a1d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:0a:30:44:5b:81 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-23332) 08/10/26 _x86_64_ (4 CPU) 16:07:45 LINUX RESTART (4 CPU) 16:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:20:03 24.27 2.72 19.81 1.74 150.58 4881.65 9371.99 16:30:00 44.34 11.98 28.95 3.40 134.80 3322.50 28598.79 Average: 34.40 7.39 24.43 2.58 142.61 4094.39 19080.20 16:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:20:03 9664892 13438652 2517952 15.38 155908 3703952 2729108 15.67 709180 5571404 16464 16:30:00 8007924 13312844 2636232 16.10 187780 5112712 2855856 16.39 1062640 6779400 892364 Average: 8836408 13375748 2577092 15.74 171844 4408332 2792482 16.03 885910 6175402 454414 16:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:20:03 lo 736.37 736.37 701.41 701.41 0.00 0.00 0.00 0.00 16:20:03 ens3 108.34 84.32 839.25 18.56 0.00 0.00 0.00 0.00 16:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:00 lo 1514.36 1514.36 1443.59 1443.59 0.00 0.00 0.00 0.00 16:30:00 ens3 61.58 47.31 235.75 13.04 0.00 0.00 0.00 0.00 16:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1129.20 1129.20 1076.16 1076.16 0.00 0.00 0.00 0.00 Average: ens3 84.73 65.63 534.52 15.77 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-23332) 08/10/26 _x86_64_ (4 CPU) 16:07:45 LINUX RESTART (4 CPU) 16:10:17 CPU %user %nice %system %iowait %steal %idle 16:20:03 all 63.14 0.00 2.16 0.07 0.12 34.51 16:20:03 0 62.89 0.00 2.15 0.07 0.12 34.77 16:20:03 1 64.25 0.00 2.22 0.05 0.12 33.35 16:20:03 2 61.13 0.00 2.00 0.07 0.12 36.68 16:20:03 3 64.28 0.00 2.29 0.08 0.13 33.24 16:30:00 all 57.02 0.08 2.59 0.11 0.12 40.08 16:30:00 0 56.42 0.02 2.60 0.09 0.11 40.76 16:30:00 1 58.45 0.21 2.68 0.17 0.12 38.37 16:30:00 2 58.23 0.00 2.66 0.04 0.12 38.96 16:30:00 3 54.97 0.09 2.43 0.16 0.11 42.23 Average: all 60.05 0.04 2.38 0.09 0.12 37.32 Average: 0 59.63 0.01 2.37 0.08 0.12 37.80 Average: 1 61.32 0.10 2.45 0.12 0.12 35.88 Average: 2 59.67 0.00 2.33 0.05 0.12 37.83 Average: 3 59.57 0.05 2.36 0.12 0.12 37.78