---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11749 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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 646 9876 4 5466 15000 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:94:10:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84551sec preferred_lft 84551sec inet6 fe80::f816:3eff:fe94:1082/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:bf:0f:74:35:a1 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11749) 12/09/25 _x86_64_ (4 CPU) 00:01:25 LINUX RESTART (4 CPU) 00:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:34 11.57 0.01 9.85 1.71 0.18 715.29 32007.81 00:30:02 38.89 0.43 32.97 5.48 16.30 6970.95 14206.07 Average: 24.64 0.21 20.91 3.51 7.89 3707.30 23493.44 00:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:34 9419040 12998160 2960156 18.08 156168 3551692 3250080 18.66 875328 5686144 1552 00:30:02 10162980 15402992 546568 3.34 189736 5092644 1097228 6.30 1510912 4214532 284 Average: 9791010 14200576 1753362 10.71 172952 4322168 2173654 12.48 1193120 4950338 918 00:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:34 lo 54.98 54.98 14.06 14.06 0.00 0.00 0.00 0.00 00:20:34 ens3 4.84 4.27 3.80 1.48 0.00 0.00 0.00 0.00 00:20:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:02 lo 2223.52 2223.52 2141.50 2141.50 0.00 0.00 0.00 0.00 00:30:02 ens3 91.73 75.55 494.68 166.72 0.00 0.00 0.00 0.00 00:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1092.17 1092.17 1031.59 1031.59 0.00 0.00 0.00 0.00 Average: ens3 46.40 38.36 238.58 80.51 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11749) 12/09/25 _x86_64_ (4 CPU) 00:01:25 LINUX RESTART (4 CPU) 00:10:14 CPU %user %nice %system %iowait %steal %idle 00:20:34 all 15.74 0.00 0.82 0.09 0.08 83.27 00:20:34 0 16.24 0.00 0.77 0.11 0.08 82.80 00:20:34 1 16.21 0.00 0.84 0.12 0.08 82.75 00:20:34 2 15.64 0.00 0.82 0.06 0.08 83.41 00:20:34 3 14.87 0.00 0.87 0.06 0.08 84.12 00:30:02 all 53.44 0.00 2.73 0.19 0.10 43.55 00:30:02 0 47.29 0.00 2.38 0.09 0.10 50.15 00:30:02 1 52.55 0.00 2.93 0.17 0.09 44.26 00:30:02 2 55.23 0.00 2.51 0.35 0.10 41.81 00:30:02 3 58.72 0.00 3.08 0.13 0.10 37.97 Average: all 33.75 0.00 1.73 0.13 0.09 64.30 Average: 0 31.07 0.00 1.54 0.10 0.09 67.21 Average: 1 33.59 0.00 1.84 0.15 0.08 64.34 Average: 2 34.53 0.00 1.63 0.20 0.09 63.56 Average: 3 35.83 0.00 1.93 0.10 0.09 62.07