---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3534 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: 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 68G 13% / 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 673 10735 4 4580 14973 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:d6:75:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84120sec preferred_lft 84120sec inet6 fe80::f816:3eff:fed6:752a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b7:70:44:23:79 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-3534) 08/08/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:24 1.95 0.08 1.86 0.01 1.89 104.92 0.71 21:20:31 51.75 2.46 40.77 8.52 137.97 4860.81 6579.88 21:30:01 24.21 0.16 19.84 4.21 10.77 2859.49 3305.83 Average: 25.78 0.91 20.66 4.21 50.55 2579.69 3264.14 21:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:24 12707548 15364644 601200 3.67 107064 2731024 1386016 7.96 360992 2966220 107624 21:20:31 9745468 13574172 2381744 14.55 176008 3730156 2529244 14.52 688212 5488056 124244 21:30:01 11052740 15379780 572736 3.50 206972 4158840 1117744 6.42 854800 3971560 200 Average: 11168585 14772865 1185227 7.24 163348 3540007 1677668 9.63 634668 4141945 77356 21:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:24 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 21:10:24 ens3 19.63 17.93 193.41 3.56 0.00 0.00 0.00 0.00 21:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:31 lo 4611.94 4611.94 4398.48 4398.48 0.00 0.00 0.00 0.00 21:20:31 ens3 155.33 112.69 625.44 29.74 0.00 0.00 0.00 0.00 21:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 1802.11 1802.11 1702.90 1702.90 0.00 0.00 0.00 0.00 21:30:01 ens3 113.63 103.43 153.02 164.11 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2124.64 2124.64 2021.26 2021.26 0.00 0.00 0.00 0.00 Average: ens3 95.12 76.94 326.17 63.23 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-3534) 08/08/26 _x86_64_ (4 CPU) 20:53:55 LINUX RESTART (4 CPU) 21:00:00 CPU %user %nice %system %iowait %steal %idle 21:10:24 all 1.22 0.00 0.12 0.01 0.02 98.62 21:10:24 0 1.33 0.00 0.06 0.00 0.03 98.57 21:10:24 1 1.17 0.00 0.16 0.00 0.03 98.64 21:10:24 2 1.15 0.00 0.10 0.00 0.02 98.72 21:10:24 3 1.24 0.00 0.14 0.04 0.01 98.56 21:20:31 all 66.45 0.00 3.91 0.10 0.10 29.44 21:20:31 0 66.06 0.00 3.67 0.13 0.10 30.04 21:20:31 1 66.22 0.00 3.94 0.08 0.10 29.67 21:20:31 2 66.40 0.00 3.79 0.07 0.09 29.64 21:20:31 3 67.12 0.00 4.25 0.12 0.10 28.41 21:30:01 all 32.43 0.00 1.82 0.07 0.07 65.62 21:30:01 0 32.34 0.00 1.77 0.03 0.07 65.78 21:30:01 1 31.24 0.00 1.68 0.07 0.07 66.94 21:30:01 2 33.43 0.00 1.92 0.06 0.07 64.53 21:30:01 3 32.69 0.00 1.91 0.11 0.07 65.22 Average: all 33.05 0.00 1.93 0.06 0.06 64.90 Average: 0 32.93 0.00 1.82 0.06 0.07 65.13 Average: 1 32.59 0.00 1.91 0.05 0.06 65.39 Average: 2 33.32 0.00 1.92 0.04 0.06 64.66 Average: 3 33.36 0.00 2.08 0.09 0.06 64.40