---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37599 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 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 66G 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 755 9174 4 6058 14891 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:01:14:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83998sec preferred_lft 83998sec inet6 fe80::f816:3eff:fe01:14e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:60:c8:23:3a:d3 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37599) 07/21/26 _x86_64_ (4 CPU) 20:22:29 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 30.65 0.43 26.11 4.11 14.15 4384.16 2668.92 20:50:00 51.05 0.00 40.09 10.96 0.01 2695.24 9977.79 21:00:00 20.46 0.14 17.16 3.16 9.80 4060.53 1504.55 Average: 34.05 0.19 27.79 6.07 7.99 3713.31 4717.07 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9070572 13486316 2464184 15.05 190920 4266872 2725656 15.65 779716 6036452 4820 20:50:00 8444232 13294404 2651680 16.20 222280 4630356 2845376 16.33 891764 6496736 63244 21:00:00 9520560 15358516 584184 3.57 245612 5546936 1127608 6.47 1228908 5029508 40 Average: 9011788 14046412 1900016 11.60 219604 4814721 2232880 12.82 966796 5854232 22701 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1877.28 1877.28 1790.01 1790.01 0.00 0.00 0.00 0.00 20:40:00 ens3 97.28 70.26 323.84 19.89 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5175.27 5175.27 4934.96 4934.96 0.00 0.00 0.00 0.00 20:50:00 ens3 74.75 56.61 25.72 19.43 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1292.35 1292.35 1211.55 1211.55 0.00 0.00 0.00 0.00 21:00:00 ens3 106.23 106.52 125.96 181.30 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2781.63 2781.63 2645.50 2645.50 0.00 0.00 0.00 0.00 Average: ens3 92.75 77.80 158.51 73.54 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37599) 07/21/26 _x86_64_ (4 CPU) 20:22:29 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 65.99 0.00 3.03 0.10 0.11 30.77 20:40:00 0 66.37 0.00 2.90 0.04 0.11 30.58 20:40:00 1 67.04 0.00 3.12 0.22 0.11 29.51 20:40:00 2 65.24 0.00 3.05 0.08 0.11 31.52 20:40:00 3 65.30 0.00 3.06 0.05 0.11 31.48 20:50:00 all 62.39 0.00 4.16 0.10 0.11 33.23 20:50:00 0 60.48 0.00 3.50 0.10 0.11 35.81 20:50:00 1 62.29 0.00 3.98 0.09 0.12 33.52 20:50:00 2 63.57 0.00 4.77 0.08 0.11 31.47 20:50:00 3 63.23 0.00 4.40 0.13 0.11 32.13 21:00:00 all 37.05 0.00 1.91 0.47 0.15 60.43 21:00:00 0 34.84 0.00 1.85 0.74 0.10 62.48 21:00:00 1 38.86 0.00 1.88 0.63 0.32 58.31 21:00:00 2 37.78 0.00 1.89 0.15 0.10 60.08 21:00:00 3 36.71 0.00 2.01 0.35 0.10 60.84 Average: all 55.14 0.00 3.03 0.22 0.13 41.48 Average: 0 53.89 0.00 2.75 0.29 0.11 42.96 Average: 1 56.06 0.00 2.99 0.31 0.18 40.45 Average: 2 55.53 0.00 3.23 0.11 0.11 41.03 Average: 3 55.07 0.00 3.16 0.17 0.11 41.49