---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2453 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 12G 67G 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 764 9302 4 5921 14881 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:94:78:ff brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84024sec preferred_lft 84024sec inet6 fe80::f816:3eff:fe94:78ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:7f:6b:2c:dd:18 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-2453) 01/20/26 _x86_64_ (4 CPU) 20:22:30 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 26.34 0.44 22.45 3.44 15.33 4506.09 4234.91 20:50:01 53.24 0.00 42.22 11.02 0.00 2738.81 10241.23 21:00:01 20.81 0.14 17.51 3.16 6.59 4224.59 2925.90 Average: 33.46 0.19 27.39 5.87 7.31 3823.17 5800.65 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8863556 13208668 2743776 16.76 182876 4221524 3020052 17.34 951796 6109048 111652 20:50:01 8246944 13007380 2941160 17.96 213408 4563748 3315024 19.03 1058148 6562784 144340 21:00:01 9665144 15361980 582908 3.56 238444 5431056 1106208 6.35 1405704 4735804 4 Average: 8925215 13859343 2089281 12.76 211576 4738776 2480428 14.24 1138549 5802545 85332 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1399.81 1399.81 1332.77 1332.77 0.00 0.00 0.00 0.00 20:40:01 ens3 81.99 59.95 301.76 19.46 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5002.32 5002.32 4766.88 4766.88 0.00 0.00 0.00 0.00 20:50:01 ens3 69.60 52.02 26.24 19.67 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1294.97 1294.97 1215.48 1215.48 0.00 0.00 0.00 0.00 21:00:01 ens3 110.30 109.42 119.72 208.01 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2565.68 2565.68 2438.36 2438.36 0.00 0.00 0.00 0.00 Average: ens3 87.30 73.80 149.24 82.38 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-2453) 01/20/26 _x86_64_ (4 CPU) 20:22:30 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 65.40 0.00 2.95 0.15 0.13 31.38 20:40:01 0 65.15 0.00 2.80 0.14 0.13 31.77 20:40:01 1 63.88 0.00 3.05 0.11 0.12 32.84 20:40:01 2 65.19 0.00 2.71 0.17 0.13 31.80 20:40:01 3 67.38 0.00 3.23 0.18 0.13 29.09 20:50:01 all 61.63 0.00 4.05 0.12 0.12 34.07 20:50:01 0 59.81 0.00 3.87 0.12 0.12 36.08 20:50:01 1 61.38 0.00 3.88 0.11 0.12 34.52 20:50:01 2 62.90 0.00 3.77 0.17 0.12 33.05 20:50:01 3 62.44 0.00 4.69 0.09 0.12 32.65 21:00:01 all 37.51 0.00 1.83 0.18 0.10 60.39 21:00:01 0 43.74 0.00 2.18 0.13 0.10 53.84 21:00:01 1 31.88 0.00 1.58 0.13 0.09 66.33 21:00:01 2 38.35 0.00 1.77 0.38 0.10 59.40 21:00:01 3 36.06 0.00 1.81 0.07 0.09 61.97 Average: all 54.83 0.00 2.94 0.15 0.11 41.96 Average: 0 56.23 0.00 2.95 0.13 0.12 40.57 Average: 1 52.36 0.00 2.83 0.12 0.11 44.58 Average: 2 55.47 0.00 2.75 0.24 0.12 41.43 Average: 3 55.28 0.00 3.24 0.11 0.11 41.25