---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3663 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 15G 141G 10% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 779 23657 4 7655 30844 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:60:9f:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.82/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84919sec preferred_lft 84919sec inet6 fe80::f816:3eff:fe60:9fdb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:6b:43:e6:52:fb 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 inet6 fe80::346b:43ff:fee6:52fb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3663) 08/03/26 _x86_64_ (8 CPU) 11:49:22 LINUX RESTART (8 CPU) 11:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:05 20.84 0.93 5.61 14.30 46.66 848.56 539428.44 12:10:20 103.19 3.84 97.94 1.41 259.90 12733.86 7625.68 Average: 62.53 2.40 52.35 7.77 154.62 6865.65 270196.57 11:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:05 29839004 31738568 635124 1.93 69284 2159180 1535176 4.53 217204 2498768 164 12:10:20 22412172 28159864 4115748 12.52 163576 5737020 5785596 17.06 680192 9189212 204 Average: 26125588 29949216 2375436 7.23 116430 3948100 3660386 10.79 448698 5843990 184 11:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:05 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 12:00:05 ens3 35.05 20.98 327.74 2.36 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:20 lo 167.84 167.84 30.62 30.62 0.00 0.00 0.00 0.00 12:10:20 ens3 180.97 99.60 2057.13 22.96 0.00 0.00 0.00 0.00 12:10:20 docker0 69.93 72.41 14.69 14.43 0.00 0.00 0.00 0.00 12:10:20 vethe8e8c54 61.56 64.57 13.27 9.91 0.00 0.00 0.00 0.00 12:10:20 veth95879e6 6.75 6.19 0.71 2.91 0.00 0.00 0.00 0.00 Average: lo 85.05 85.05 15.51 15.51 0.00 0.00 0.00 0.00 Average: ens3 108.93 60.79 1203.27 12.79 0.00 0.00 0.00 0.00 Average: docker0 35.40 36.66 7.44 7.31 0.00 0.00 0.00 0.00 Average: vethe8e8c54 31.17 32.69 6.72 5.01 0.00 0.00 0.00 0.00 Average: veth95879e6 3.42 3.14 0.36 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-3663) 08/03/26 _x86_64_ (8 CPU) 11:49:22 LINUX RESTART (8 CPU) 11:50:05 CPU %user %nice %system %iowait %steal %idle 12:00:05 all 0.30 0.00 0.09 0.09 0.01 99.51 12:00:05 0 0.29 0.00 0.08 0.17 0.01 99.45 12:00:05 1 0.30 0.00 0.05 0.02 0.02 99.61 12:00:05 2 0.61 0.00 0.08 0.02 0.01 99.27 12:00:05 3 0.21 0.00 0.08 0.38 0.02 99.30 12:00:05 4 0.18 0.01 0.09 0.02 0.01 99.69 12:00:05 5 0.31 0.01 0.15 0.03 0.01 99.49 12:00:05 6 0.26 0.00 0.12 0.02 0.01 99.60 12:00:05 7 0.22 0.00 0.07 0.02 0.01 99.68 12:10:20 all 17.47 0.00 1.25 0.25 0.06 80.97 12:10:20 0 13.44 0.00 1.32 0.24 0.05 84.94 12:10:20 1 19.42 0.00 1.49 0.33 0.07 78.69 12:10:20 2 17.18 0.00 1.27 0.15 0.06 81.33 12:10:20 3 13.99 0.00 1.18 0.34 0.06 84.43 12:10:20 4 18.39 0.00 1.21 0.46 0.06 79.88 12:10:20 5 17.64 0.00 1.18 0.16 0.06 80.96 12:10:20 6 19.33 0.00 1.12 0.17 0.06 79.33 12:10:20 7 20.37 0.00 1.23 0.15 0.06 78.19 Average: all 8.98 0.00 0.68 0.17 0.04 90.13 Average: 0 6.94 0.00 0.71 0.21 0.03 92.11 Average: 1 9.98 0.00 0.78 0.18 0.04 89.02 Average: 2 8.99 0.00 0.68 0.09 0.04 90.21 Average: 3 7.18 0.00 0.64 0.36 0.04 91.77 Average: 4 9.39 0.00 0.66 0.24 0.03 89.67 Average: 5 9.07 0.01 0.67 0.10 0.04 90.12 Average: 6 9.90 0.00 0.62 0.09 0.03 89.35 Average: 7 10.41 0.00 0.66 0.08 0.03 88.81