---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6761 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 664 10452 4 4871 14981 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:80:28:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84804sec preferred_lft 84804sec inet6 fe80::f816:3eff:fe80:2834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:de:c6:3b:3d:e6 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6761) 02/01/26 _x86_64_ (4 CPU) 15:57:00 LINUX RESTART (4 CPU) 16:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:22 16.13 2.19 12.62 1.31 327.29 3121.90 8532.22 16:20:01 29.15 0.96 24.18 4.02 31.24 4793.24 8113.10 Average: 22.41 1.60 18.20 2.62 184.48 3928.12 8330.04 16:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:22 10161436 13529856 2428940 14.83 134676 3362560 2705624 15.53 651128 5180564 17396 16:20:01 10731552 15358640 591908 3.62 176404 4486776 1109996 6.37 996992 4145352 25844 Average: 10446494 14444248 1510424 9.23 155540 3924668 1907810 10.95 824060 4662958 21620 16:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:22 lo 1.23 1.23 0.13 0.13 0.00 0.00 0.00 0.00 16:10:22 ens3 92.88 71.97 654.17 23.66 0.00 0.00 0.00 0.00 16:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1640.39 1640.39 1561.77 1561.77 0.00 0.00 0.00 0.00 16:20:01 ens3 83.83 64.47 441.49 38.55 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 791.92 791.92 753.43 753.43 0.00 0.00 0.00 0.00 Average: ens3 88.51 68.35 551.58 30.84 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-6761) 02/01/26 _x86_64_ (4 CPU) 15:57:00 LINUX RESTART (4 CPU) 16:00:01 CPU %user %nice %system %iowait %steal %idle 16:10:22 all 61.79 0.00 2.13 0.12 0.10 35.87 16:10:22 0 62.21 0.00 1.84 0.21 0.10 35.64 16:10:22 1 58.62 0.00 2.13 0.08 0.10 39.07 16:10:22 2 64.07 0.00 2.20 0.07 0.10 33.57 16:10:22 3 62.26 0.00 2.34 0.12 0.11 35.18 16:20:01 all 66.98 0.00 2.68 0.10 0.11 30.13 16:20:01 0 70.58 0.00 3.02 0.07 0.11 26.22 16:20:01 1 66.09 0.00 2.60 0.08 0.10 31.12 16:20:01 2 66.98 0.00 2.62 0.12 0.11 30.17 16:20:01 3 64.26 0.00 2.49 0.12 0.11 33.01 Average: all 64.29 0.00 2.39 0.11 0.11 33.10 Average: 0 66.24 0.00 2.41 0.14 0.11 31.10 Average: 1 62.22 0.00 2.36 0.08 0.10 35.24 Average: 2 65.47 0.00 2.40 0.09 0.10 31.93 Average: 3 63.23 0.00 2.41 0.12 0.11 34.13