---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5322 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 68G 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 704 10319 4 4965 14942 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:b1:a1:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83748sec preferred_lft 83748sec inet6 fe80::f816:3eff:feb1:a11b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:d5:3d:e4:89:cc 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5322) 01/28/26 _x86_64_ (4 CPU) 09:10:59 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:11 1.99 0.00 1.98 0.01 0.04 30.78 144.45 09:40:01 13.44 2.04 10.44 0.96 132.98 2718.59 3077.96 09:50:01 28.92 0.94 23.86 4.13 30.25 4600.60 4147.97 Average: 14.72 0.98 12.05 1.69 53.67 2434.97 2440.37 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:11 12836688 15473540 503068 3.07 100932 2727204 983560 5.65 531120 2673900 80 09:40:01 10373980 13870668 2089144 12.76 136240 3487728 2654688 15.24 765032 4858968 34548 09:50:01 10636740 15360236 591628 3.61 170152 4589952 1105860 6.35 1099580 4153940 30688 Average: 11282469 14901481 1061280 6.48 135775 3601628 1581369 9.08 798577 3895603 21772 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:11 ens3 5.12 4.05 59.75 0.54 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 09:40:01 ens3 75.83 63.53 498.66 17.36 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 1482.52 1482.52 1411.97 1411.97 0.00 0.00 0.00 0.00 09:50:01 ens3 80.31 61.66 423.86 20.96 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 494.65 494.65 470.73 470.73 0.00 0.00 0.00 0.00 Average: ens3 53.36 42.75 324.96 12.86 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5322) 01/28/26 _x86_64_ (4 CPU) 09:10:59 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:11 all 0.20 0.00 0.04 0.02 0.02 99.73 09:30:11 0 0.15 0.00 0.04 0.01 0.00 99.79 09:30:11 1 0.58 0.00 0.03 0.00 0.02 99.36 09:30:11 2 0.04 0.00 0.05 0.04 0.02 99.85 09:30:11 3 0.05 0.00 0.02 0.00 0.01 99.92 09:40:01 all 66.80 0.00 2.10 0.26 0.12 30.73 09:40:01 0 66.48 0.00 2.31 0.24 0.12 30.85 09:40:01 1 66.96 0.00 1.84 0.22 0.11 30.86 09:40:01 2 67.59 0.00 2.28 0.34 0.12 29.67 09:40:01 3 66.15 0.00 1.96 0.22 0.12 31.56 09:50:01 all 65.35 0.00 2.74 0.48 0.13 31.29 09:50:01 0 65.42 0.00 2.43 0.61 0.13 31.41 09:50:01 1 64.49 0.00 2.54 0.40 0.14 32.43 09:50:01 2 64.38 0.00 3.29 0.60 0.13 31.59 09:50:01 3 67.12 0.00 2.71 0.30 0.13 29.74 Average: all 43.70 0.00 1.61 0.25 0.09 54.35 Average: 0 43.60 0.00 1.58 0.29 0.08 54.45 Average: 1 43.59 0.00 1.46 0.21 0.09 54.65 Average: 2 43.59 0.00 1.86 0.33 0.09 54.13 Average: 3 44.02 0.00 1.55 0.17 0.09 54.17