---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2755 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 17G 138G 11% / 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 761 19348 4 11982 30863 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:88:90:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84539sec preferred_lft 84539sec inet6 fe80::f816:3eff:fe88:9072/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:2d:5f:e1:9d:7c 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::742d:5fff:fee1:9d7c/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-2755) 08/07/26 _x86_64_ (8 CPU) 00:21:25 LINUX RESTART (8 CPU) 00:30:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 20.46 0.51 19.33 0.62 19.48 13960.05 574.15 00:50:00 32.09 1.93 29.07 1.08 320.03 10658.48 3230.31 Average: 26.25 1.22 24.18 0.85 168.97 12317.85 1895.33 00:30:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 18352236 27079976 5208852 15.85 194684 8587148 5294728 15.61 2051876 11803308 298616 00:50:00 19995344 31584724 688264 2.09 233772 11278752 1325312 3.91 2977532 9049412 20 Average: 19173790 29332350 2948558 8.97 214228 9932950 3310020 9.76 2514704 10426360 149318 00:30:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 201.50 201.50 197.88 197.88 0.00 0.00 0.00 0.00 00:40:11 ens3 69.28 57.31 338.40 15.18 0.00 0.00 0.00 0.00 00:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:00 lo 10.30 10.30 1.20 1.20 0.00 0.00 0.00 0.00 00:50:00 ens3 146.26 162.88 238.35 2645.67 0.00 0.00 0.00 0.00 00:50:00 docker0 87.73 82.65 1372.38 10.85 0.00 0.00 0.00 0.00 Average: lo 106.40 106.40 100.05 100.05 0.00 0.00 0.00 0.00 Average: ens3 107.57 109.82 288.64 1323.58 0.00 0.00 0.00 0.00 Average: docker0 43.64 41.11 682.62 5.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-2755) 08/07/26 _x86_64_ (8 CPU) 00:21:25 LINUX RESTART (8 CPU) 00:30:15 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 31.40 0.00 1.47 0.09 0.07 66.97 00:40:11 0 27.45 0.00 1.25 0.02 0.07 71.21 00:40:11 1 31.03 0.00 1.52 0.08 0.07 67.29 00:40:11 2 28.83 0.00 1.44 0.06 0.07 69.61 00:40:11 3 47.95 0.00 1.75 0.24 0.08 49.98 00:40:11 4 29.13 0.00 1.50 0.04 0.07 69.26 00:40:11 5 27.53 0.00 1.16 0.13 0.07 71.11 00:40:11 6 27.20 0.00 1.32 0.06 0.07 71.36 00:40:11 7 32.06 0.00 1.83 0.11 0.07 65.93 00:50:00 all 8.62 0.00 0.98 0.11 0.04 90.25 00:50:00 0 8.91 0.00 1.23 0.04 0.04 89.78 00:50:00 1 8.60 0.00 1.01 0.17 0.04 90.19 00:50:00 2 6.79 0.00 0.72 0.11 0.04 92.34 00:50:00 3 11.54 0.00 0.81 0.15 0.04 87.46 00:50:00 4 9.45 0.00 0.89 0.06 0.04 89.56 00:50:00 5 3.89 0.00 0.55 0.13 0.04 95.40 00:50:00 6 6.98 0.00 1.11 0.11 0.03 91.76 00:50:00 7 12.82 0.00 1.51 0.14 0.04 85.49 Average: all 20.06 0.00 1.23 0.10 0.05 78.55 Average: 0 18.23 0.00 1.24 0.03 0.05 80.45 Average: 1 19.87 0.00 1.27 0.12 0.06 78.68 Average: 2 17.86 0.00 1.08 0.08 0.05 80.92 Average: 3 29.85 0.00 1.28 0.19 0.06 68.62 Average: 4 19.32 0.00 1.20 0.05 0.05 79.38 Average: 5 15.77 0.00 0.86 0.13 0.05 83.19 Average: 6 17.13 0.00 1.22 0.08 0.05 81.52 Average: 7 22.47 0.00 1.67 0.12 0.06 75.68