---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-40047 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: 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: 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 13G 143G 8% / 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 806 24725 4 6560 30818 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:a0:77:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.195/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83234sec preferred_lft 83234sec inet6 fe80::f816:3eff:fea0:77ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:97:07:6b:a0:50 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-8c-8g-40047) 08/22/26 _x86_64_ (8 CPU) 13:58:04 LINUX RESTART (8 CPU) 14:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:01 19.00 0.25 4.53 14.23 30.10 784.14 527990.52 14:20:10 1.61 0.01 1.60 0.00 0.05 18.27 0.00 14:30:01 1.49 0.00 1.49 0.00 0.00 16.59 0.00 14:40:01 23.17 1.30 21.84 0.02 46.90 364.46 189.97 14:50:24 44.08 4.28 38.20 1.60 196.39 13660.27 5276.80 Average: 18.07 1.19 13.72 3.16 55.74 3047.95 105941.03 14:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:01 29972328 31868632 512728 1.56 65212 2165852 1528708 4.51 230740 2361808 8 14:20:10 29971364 31868276 513472 1.56 65828 2165864 1528716 4.51 231352 2363832 40 14:30:01 29984868 31882372 499216 1.52 66404 2165876 1528716 4.51 231928 2360868 8 14:40:01 29798588 31770492 609152 1.85 69504 2235360 1165532 3.44 253368 2528464 14192 14:50:24 25475008 31664008 637984 1.94 167440 6188976 1164932 3.44 1435392 5416508 227056 Average: 29040431 31810756 554510 1.69 86878 2984386 1383321 4.08 476556 3006296 48261 14:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 14:10:01 ens3 19.07 6.90 324.94 0.55 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:10 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:20:10 ens3 0.40 0.17 0.13 0.08 0.00 0.00 0.00 0.00 14:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 14:30:01 ens3 0.25 0.10 0.07 0.04 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:01 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 14:40:01 ens3 43.58 26.91 104.13 13.31 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:24 lo 158.02 158.02 191.02 191.02 0.00 0.00 0.00 0.00 14:50:24 ens3 656.13 398.68 1745.40 1176.48 0.00 0.00 0.00 0.00 14:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 32.65 32.65 39.35 39.35 0.00 0.00 0.00 0.00 Average: ens3 147.68 88.87 444.64 245.04 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-8c-8g-40047) 08/22/26 _x86_64_ (8 CPU) 13:58:04 LINUX RESTART (8 CPU) 14:00:01 CPU %user %nice %system %iowait %steal %idle 14:10:01 all 0.23 0.00 0.07 0.06 0.02 99.62 14:10:01 0 0.15 0.00 0.05 0.02 0.01 99.78 14:10:01 1 0.11 0.00 0.08 0.17 0.03 99.61 14:10:01 2 0.64 0.00 0.09 0.02 0.01 99.24 14:10:01 3 0.32 0.00 0.11 0.15 0.03 99.39 14:10:01 4 0.24 0.00 0.08 0.03 0.01 99.64 14:10:01 5 0.16 0.00 0.08 0.10 0.01 99.65 14:10:01 6 0.10 0.00 0.05 0.01 0.01 99.82 14:10:01 7 0.10 0.00 0.05 0.01 0.02 99.82 14:20:10 all 0.04 0.00 0.01 0.00 0.01 99.93 14:20:10 0 0.01 0.00 0.01 0.00 0.00 99.98 14:20:10 1 0.03 0.00 0.02 0.00 0.03 99.92 14:20:10 2 0.02 0.00 0.02 0.00 0.01 99.96 14:20:10 3 0.02 0.00 0.03 0.00 0.04 99.90 14:20:10 4 0.00 0.00 0.00 0.00 0.00 99.98 14:20:10 5 0.18 0.00 0.01 0.03 0.02 99.75 14:20:10 6 0.01 0.00 0.01 0.00 0.01 99.98 14:20:10 7 0.02 0.00 0.00 0.00 0.00 99.97 14:30:01 all 0.07 0.00 0.01 0.01 0.01 99.89 14:30:01 0 0.00 0.00 0.01 0.00 0.00 99.99 14:30:01 1 0.07 0.00 0.02 0.00 0.02 99.89 14:30:01 2 0.02 0.00 0.01 0.00 0.01 99.97 14:30:01 3 0.02 0.00 0.05 0.00 0.05 99.88 14:30:01 4 0.01 0.00 0.00 0.00 0.01 99.98 14:30:01 5 0.44 0.00 0.02 0.04 0.02 99.48 14:30:01 6 0.01 0.00 0.01 0.00 0.00 99.98 14:30:01 7 0.01 0.00 0.01 0.01 0.01 99.98 14:40:01 all 0.47 0.00 0.08 0.06 0.01 99.39 14:40:01 0 0.29 0.00 0.05 0.01 0.02 99.62 14:40:01 1 0.52 0.00 0.03 0.02 0.01 99.42 14:40:01 2 0.21 0.00 0.08 0.00 0.01 99.70 14:40:01 3 0.56 0.00 0.07 0.00 0.03 99.33 14:40:01 4 0.32 0.00 0.08 0.02 0.01 99.57 14:40:01 5 0.70 0.00 0.17 0.38 0.02 98.73 14:40:01 6 0.43 0.00 0.06 0.01 0.00 99.49 14:40:01 7 0.71 0.00 0.06 0.01 0.01 99.22 14:50:24 all 13.37 0.00 1.23 0.17 0.05 85.17 14:50:24 0 9.10 0.00 1.18 0.08 0.05 89.59 14:50:24 1 16.41 0.00 1.34 0.10 0.05 82.09 14:50:24 2 13.83 0.00 1.08 0.03 0.05 85.01 14:50:24 3 10.94 0.00 1.03 0.04 0.06 87.93 14:50:24 4 14.86 0.00 1.59 0.17 0.05 83.33 14:50:24 5 16.03 0.00 1.38 0.26 0.05 82.27 14:50:24 6 11.90 0.00 1.22 0.51 0.06 86.31 14:50:24 7 13.90 0.00 1.05 0.18 0.06 84.82 Average: all 2.91 0.00 0.29 0.06 0.02 96.72 Average: 0 1.96 0.00 0.27 0.02 0.02 97.73 Average: 1 3.52 0.00 0.31 0.06 0.03 96.08 Average: 2 3.02 0.00 0.26 0.01 0.02 96.69 Average: 3 2.45 0.00 0.27 0.04 0.04 97.21 Average: 4 3.17 0.00 0.36 0.05 0.02 96.41 Average: 5 3.59 0.00 0.34 0.17 0.02 95.88 Average: 6 2.56 0.00 0.28 0.11 0.02 97.04 Average: 7 3.02 0.00 0.24 0.04 0.02 96.68