---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3895 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 652 10445 4 4891 14994 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:a4:6e:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84761sec preferred_lft 84761sec inet6 fe80::f816:3eff:fea4:6ed6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:7a:f7:65:cd:64 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-3895) 12/05/25 _x86_64_ (4 CPU) 11:13:39 LINUX RESTART (4 CPU) 11:20:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:10 3.57 0.07 3.35 0.14 7.09 580.07 419.64 11:40:10 23.33 0.62 20.67 2.03 30.53 6120.88 8434.97 Average: 13.60 0.35 12.15 1.10 18.99 3392.83 4488.58 11:20:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:10 9399200 12522928 3439228 21.01 113636 3175332 3599208 20.66 616104 6011944 120 11:40:10 10749316 15399008 556684 3.40 135320 4621480 1042204 5.98 989416 4222404 26732 Average: 10074258 13960968 1997956 12.20 124478 3898406 2320706 13.32 802760 5117174 13426 11:20:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:10 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 11:30:10 ens3 9.09 7.07 38.41 2.06 0.00 0.00 0.00 0.00 11:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:10 lo 504.99 504.99 480.53 480.53 0.00 0.00 0.00 0.00 11:40:10 ens3 59.79 40.26 485.91 17.88 0.00 0.00 0.00 0.00 11:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 256.65 256.65 244.13 244.13 0.00 0.00 0.00 0.00 Average: ens3 34.83 23.92 265.58 10.09 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-3895) 12/05/25 _x86_64_ (4 CPU) 11:13:39 LINUX RESTART (4 CPU) 11:20:28 CPU %user %nice %system %iowait %steal %idle 11:30:10 all 46.73 0.00 0.76 0.02 0.08 52.41 11:30:10 0 37.17 0.00 0.69 0.01 0.07 62.06 11:30:10 1 43.70 0.00 0.75 0.03 0.09 55.43 11:30:10 2 50.64 0.00 0.68 0.02 0.07 48.59 11:30:10 3 55.42 0.00 0.91 0.02 0.07 43.58 11:40:10 all 48.78 0.00 1.50 0.50 0.08 49.14 11:40:10 0 39.99 0.00 1.20 0.90 0.08 57.84 11:40:10 1 48.04 0.00 1.51 0.37 0.08 50.00 11:40:10 2 65.05 0.00 1.53 0.38 0.09 32.95 11:40:10 3 42.07 0.00 1.77 0.33 0.08 55.76 Average: all 47.77 0.00 1.13 0.26 0.08 50.75 Average: 0 38.60 0.00 0.95 0.46 0.07 59.92 Average: 1 45.90 0.00 1.14 0.20 0.09 52.67 Average: 2 57.95 0.00 1.11 0.20 0.08 40.66 Average: 3 48.65 0.00 1.34 0.18 0.07 49.75