---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2159 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 18G 138G 12% / 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 749 18913 4 12429 30875 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:09:74:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:fe09:7466/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:41:91:08:d1:39 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::8c41:91ff:fe08:d139/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-2159) 08/05/26 _x86_64_ (8 CPU) 00:00:25 LINUX RESTART (8 CPU) 00:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:09 23.10 0.51 21.99 0.60 17.86 15470.44 312.93 00:30:02 42.69 1.94 39.63 1.11 320.15 10207.74 8954.07 Average: 32.87 1.22 30.79 0.85 168.65 12845.21 4623.45 00:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:09 18592080 27590344 4697792 14.30 196520 8850716 4823812 14.22 2176216 11431588 376 00:30:02 19567828 31613432 658264 2.00 234620 11724556 1319968 3.89 3157540 9292660 184 Average: 19079954 29601888 2678028 8.15 215570 10287636 3071890 9.06 2666878 10362124 280 00:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:09 lo 266.23 266.23 259.28 259.28 0.00 0.00 0.00 0.00 00:20:09 ens3 56.35 50.48 322.80 13.36 0.00 0.00 0.00 0.00 00:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:02 lo 15.43 15.43 1.71 1.71 0.00 0.00 0.00 0.00 00:30:02 ens3 170.76 183.58 246.35 2777.03 0.00 0.00 0.00 0.00 00:30:02 docker0 87.37 83.43 1395.01 10.78 0.00 0.00 0.00 0.00 Average: lo 141.12 141.12 130.79 130.79 0.00 0.00 0.00 0.00 Average: ens3 113.42 116.88 284.67 1391.98 0.00 0.00 0.00 0.00 Average: docker0 43.58 41.62 695.88 5.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-2159) 08/05/26 _x86_64_ (8 CPU) 00:00:25 LINUX RESTART (8 CPU) 00:10:15 CPU %user %nice %system %iowait %steal %idle 00:20:09 all 27.86 0.00 1.37 0.10 0.08 70.60 00:20:09 0 25.88 0.00 1.43 0.07 0.07 72.55 00:20:09 1 26.21 0.00 1.49 0.10 0.07 72.13 00:20:09 2 26.36 0.00 1.60 0.03 0.07 71.94 00:20:09 3 29.18 0.00 1.36 0.04 0.07 69.34 00:20:09 4 25.98 0.00 1.15 0.08 0.08 72.71 00:20:09 5 28.91 0.00 1.30 0.11 0.08 69.61 00:20:09 6 24.44 0.00 1.13 0.09 0.07 74.27 00:20:09 7 35.95 0.00 1.51 0.25 0.08 62.21 00:30:02 all 9.86 0.00 1.09 0.13 0.04 88.88 00:30:02 0 6.10 0.00 0.79 0.09 0.04 92.98 00:30:02 1 8.15 0.00 0.86 0.26 0.04 90.69 00:30:02 2 6.30 0.00 0.72 0.26 0.04 92.69 00:30:02 3 9.95 0.00 0.72 0.07 0.05 89.22 00:30:02 4 15.31 0.00 1.45 0.16 0.05 83.02 00:30:02 5 10.19 0.00 0.95 0.08 0.04 88.75 00:30:02 6 10.52 0.00 1.63 0.04 0.04 87.77 00:30:02 7 12.38 0.00 1.59 0.08 0.05 85.90 Average: all 18.88 0.00 1.23 0.11 0.06 79.72 Average: 0 16.01 0.00 1.11 0.08 0.06 82.74 Average: 1 17.19 0.00 1.17 0.18 0.06 81.40 Average: 2 16.34 0.00 1.16 0.14 0.06 82.30 Average: 3 19.59 0.00 1.04 0.05 0.06 79.26 Average: 4 20.66 0.00 1.30 0.12 0.07 77.86 Average: 5 19.57 0.00 1.12 0.09 0.06 79.15 Average: 6 17.49 0.00 1.38 0.07 0.06 81.01 Average: 7 24.20 0.00 1.55 0.17 0.06 74.02