---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35939 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 744 9525 4 5719 14902 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:cf:9e:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84379sec preferred_lft 84379sec inet6 fe80::f816:3eff:fecf:9ed6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:5c:92:e4:b2:c3 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35939) 08/11/26 _x86_64_ (4 CPU) 14:07:15 LINUX RESTART (4 CPU) 14:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:04 22.24 2.63 18.14 1.47 146.11 4560.59 7017.65 14:30:16 32.34 0.05 28.91 3.39 1.28 3146.49 25229.96 14:40:04 20.07 0.15 17.61 2.32 10.51 5807.12 2608.75 Average: 24.97 0.94 21.63 2.40 52.60 4486.75 11770.54 14:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:04 9036024 12782960 3173984 19.39 153372 3681596 3242968 18.61 701348 6218812 18872 14:30:16 8726308 13016216 2936480 17.93 180332 4153220 3000912 17.23 851220 6321012 1228 14:40:04 9797064 15294648 652196 3.98 200768 5272380 1156348 6.64 922812 5097196 10416 Average: 9186465 13697941 2254220 13.77 178157 4369065 2466743 14.16 825127 5879007 10172 14:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:04 lo 614.26 614.26 585.26 585.26 0.00 0.00 0.00 0.00 14:20:04 ens3 107.74 82.09 826.75 17.73 0.00 0.00 0.00 0.00 14:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:16 lo 1609.77 1609.77 1534.60 1534.60 0.00 0.00 0.00 0.00 14:30:16 ens3 43.04 34.03 134.39 10.17 0.00 0.00 0.00 0.00 14:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:04 lo 11.85 11.85 1.23 1.23 0.00 0.00 0.00 0.00 14:40:04 ens3 77.11 73.87 127.31 232.83 0.00 0.00 0.00 0.00 14:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 756.07 756.07 717.37 717.37 0.00 0.00 0.00 0.00 Average: ens3 75.74 63.06 363.00 85.38 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-35939) 08/11/26 _x86_64_ (4 CPU) 14:07:15 LINUX RESTART (4 CPU) 14:10:04 CPU %user %nice %system %iowait %steal %idle 14:20:04 all 59.00 0.00 2.12 0.48 0.13 38.26 14:20:04 0 61.84 0.00 2.04 0.27 0.13 35.72 14:20:04 1 57.46 0.00 2.23 0.76 0.13 39.41 14:20:04 2 60.14 0.00 2.06 0.59 0.13 37.08 14:20:04 3 56.56 0.00 2.16 0.29 0.14 40.84 14:30:16 all 56.66 0.00 2.58 0.27 0.13 40.37 14:30:16 0 54.88 0.00 2.92 0.35 0.13 41.73 14:30:16 1 57.56 0.00 2.37 0.35 0.12 39.59 14:30:16 2 58.62 0.00 2.44 0.23 0.13 38.59 14:30:16 3 55.58 0.00 2.58 0.14 0.13 41.56 14:40:04 all 45.71 0.00 1.63 0.21 0.10 52.34 14:40:04 0 44.20 0.00 1.63 0.05 0.10 54.02 14:40:04 1 40.42 0.00 1.23 0.19 0.09 58.07 14:40:04 2 50.44 0.00 2.03 0.55 0.10 46.88 14:40:04 3 47.80 0.00 1.62 0.07 0.10 50.41 Average: all 53.86 0.00 2.12 0.32 0.12 43.58 Average: 0 53.71 0.00 2.20 0.22 0.12 43.74 Average: 1 51.93 0.00 1.95 0.44 0.12 45.57 Average: 2 56.45 0.00 2.18 0.46 0.12 40.80 Average: 3 53.36 0.00 2.13 0.17 0.12 44.22