---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12526 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 17G 61G 22% / 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 681 11827 4 3480 14965 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:38:c7:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84421sec preferred_lft 84421sec inet6 fe80::f816:3eff:fe38:c732/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:2a:61:f8:6e:36 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-16g-12526) 12/11/25 _x86_64_ (4 CPU) 07:31:54 LINUX RESTART (4 CPU) 07:40:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:40 71.69 22.65 46.51 2.53 338.94 4949.85 3547.10 08:00:00 19.44 3.91 14.70 0.83 80.96 446.77 571.56 Average: 47.01 13.80 31.48 1.73 217.07 2822.61 2141.46 07:40:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:40 164412 3799620 12129368 74.08 267340 3329856 13363476 76.71 2258876 13341752 328 08:00:00 4208524 7318160 8616460 52.63 266824 2863056 9379580 53.84 2225204 9396892 436 Average: 2186468 5558890 10372914 63.35 267082 3096456 11371528 65.27 2242040 11369322 382 07:40:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:40 lo 25.80 25.80 17.58 17.58 0.00 0.00 0.00 0.00 07:50:40 ens3 1.93 1.79 0.61 0.51 0.00 0.00 0.00 0.00 07:50:40 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 45.66 45.66 18.51 18.51 0.00 0.00 0.00 0.00 08:00:00 ens3 1.25 1.07 0.29 0.24 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 35.18 35.18 18.02 18.02 0.00 0.00 0.00 0.00 Average: ens3 1.61 1.45 0.46 0.38 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-16g-12526) 12/11/25 _x86_64_ (4 CPU) 07:31:54 LINUX RESTART (4 CPU) 07:40:14 CPU %user %nice %system %iowait %steal %idle 07:50:40 all 51.00 0.00 1.99 0.16 0.10 46.76 07:50:40 0 49.73 0.00 2.18 0.09 0.10 47.90 07:50:40 1 50.74 0.00 1.92 0.35 0.10 46.89 07:50:40 2 51.95 0.00 1.94 0.09 0.10 45.91 07:50:40 3 51.55 0.00 1.93 0.10 0.10 46.32 08:00:00 all 31.69 0.00 1.29 0.06 0.11 66.85 08:00:00 0 31.27 0.00 1.37 0.04 0.11 67.21 08:00:00 1 32.27 0.00 1.22 0.07 0.11 66.33 08:00:00 2 31.53 0.00 1.29 0.06 0.11 67.02 08:00:00 3 31.71 0.00 1.27 0.06 0.11 66.85 Average: all 41.88 0.00 1.66 0.11 0.10 56.24 Average: 0 41.01 0.00 1.80 0.06 0.10 57.03 Average: 1 42.02 0.00 1.59 0.22 0.10 56.07 Average: 2 42.32 0.00 1.63 0.08 0.11 55.87 Average: 3 42.19 0.00 1.61 0.08 0.11 56.01