---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11679 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 12G 66G 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 679 9282 4 6027 14966 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:15:06:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84567sec preferred_lft 84567sec inet6 fe80::f816:3eff:fe15:680/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:1a:de:66:df:6d 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-11679) 12/08/25 _x86_64_ (4 CPU) 19:01:46 LINUX RESTART (4 CPU) 19:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:25 9.52 0.01 8.16 1.35 0.14 702.48 19023.63 19:30:14 37.49 0.42 32.03 5.04 15.73 8279.24 18977.50 Average: 23.25 0.21 19.89 3.16 7.80 4423.21 19000.98 19:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:25 9384272 13042480 2915152 17.80 133452 3644644 3155824 18.11 876368 5723236 1404 19:30:14 9569760 15382724 563264 3.44 172500 5659148 1095300 6.29 1753644 4522072 176 Average: 9477016 14212602 1739208 10.62 152976 4651896 2125562 12.20 1315006 5122654 790 19:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:25 lo 58.02 58.02 14.88 14.88 0.00 0.00 0.00 0.00 19:20:25 ens3 5.70 4.89 4.01 1.43 0.00 0.00 0.00 0.00 19:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:14 lo 2156.09 2156.09 2072.93 2072.93 0.00 0.00 0.00 0.00 19:30:14 ens3 103.84 95.92 468.86 619.33 0.00 0.00 0.00 0.00 19:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1088.33 1088.33 1025.53 1025.53 0.00 0.00 0.00 0.00 Average: ens3 53.90 49.60 232.28 304.86 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-11679) 12/08/25 _x86_64_ (4 CPU) 19:01:46 LINUX RESTART (4 CPU) 19:10:14 CPU %user %nice %system %iowait %steal %idle 19:20:25 all 15.55 0.00 0.77 0.05 0.09 83.53 19:20:25 0 15.71 0.00 0.71 0.05 0.09 83.44 19:20:25 1 15.89 0.00 0.88 0.02 0.09 83.13 19:20:25 2 14.89 0.00 0.81 0.10 0.09 84.11 19:20:25 3 15.72 0.00 0.71 0.02 0.09 83.46 19:30:14 all 51.72 0.00 2.63 0.13 0.09 45.43 19:30:14 0 46.43 0.00 2.39 0.10 0.08 51.00 19:30:14 1 51.58 0.00 2.68 0.21 0.09 45.44 19:30:14 2 53.64 0.00 2.62 0.09 0.09 43.57 19:30:14 3 55.24 0.00 2.83 0.13 0.09 41.70 Average: all 33.29 0.00 1.68 0.09 0.09 64.85 Average: 0 30.79 0.00 1.53 0.07 0.09 67.52 Average: 1 33.37 0.00 1.76 0.11 0.09 64.67 Average: 2 33.88 0.00 1.69 0.09 0.09 64.24 Average: 3 35.10 0.00 1.75 0.07 0.09 62.99