---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12058 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: 5600.00 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 655 9893 4 5440 14990 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:e1:bb:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84696sec preferred_lft 84696sec inet6 fe80::f816:3eff:fee1:bb34/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:54:00:5a:c8:f4 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-12058) 12/09/25 _x86_64_ (4 CPU) 19:55:35 LINUX RESTART (4 CPU) 20:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:15 63.52 0.57 42.94 20.01 594.07 2564.39 389409.34 20:20:10 26.75 0.17 22.73 3.85 5.12 2014.07 30275.79 Average: 45.43 0.37 32.99 12.06 304.30 2293.62 212711.35 20:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:15 9297984 12860592 3097960 18.92 150508 3547924 3408584 19.57 848920 5837468 380 20:20:10 8059660 12914940 3038120 18.56 169092 4768284 3101688 17.80 1313056 6559892 881436 Average: 8678822 12887766 3068040 18.74 159800 4158104 3255136 18.68 1080988 6198680 440908 20:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:15 lo 31.15 31.15 7.28 7.28 0.00 0.00 0.00 0.00 20:10:15 ens3 25.16 17.80 279.42 3.58 0.00 0.00 0.00 0.00 20:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:10 lo 1580.15 1580.15 1484.31 1484.31 0.00 0.00 0.00 0.00 20:20:10 ens3 40.75 32.62 334.65 7.06 0.00 0.00 0.00 0.00 20:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 793.28 793.28 733.99 733.99 0.00 0.00 0.00 0.00 Average: ens3 32.83 25.09 306.59 5.29 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-12058) 12/09/25 _x86_64_ (4 CPU) 19:55:35 LINUX RESTART (4 CPU) 20:00:01 CPU %user %nice %system %iowait %steal %idle 20:10:15 all 26.93 0.00 1.23 0.56 0.09 71.19 20:10:15 0 27.71 0.00 1.10 0.24 0.08 70.87 20:10:15 1 25.97 0.00 1.35 0.77 0.09 71.82 20:10:15 2 26.91 0.00 1.29 0.61 0.08 71.11 20:10:15 3 27.13 0.00 1.19 0.63 0.09 70.95 20:20:10 all 40.81 0.00 2.04 0.09 0.10 56.96 20:20:10 0 41.92 0.00 2.12 0.07 0.09 55.81 20:20:10 1 39.80 0.00 1.86 0.08 0.09 58.16 20:20:10 2 40.78 0.00 2.03 0.09 0.10 57.00 20:20:10 3 40.75 0.00 2.14 0.13 0.09 56.89 Average: all 33.76 0.00 1.63 0.33 0.09 64.19 Average: 0 34.70 0.00 1.60 0.15 0.09 63.46 Average: 1 32.78 0.00 1.61 0.43 0.09 65.09 Average: 2 33.73 0.00 1.66 0.35 0.09 64.17 Average: 3 33.83 0.00 1.66 0.38 0.09 64.03