---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13412 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 26G 130G 17% / 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 998 11228 4 19864 30626 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:37:33:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.87/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85106sec preferred_lft 85106sec inet6 fe80::f816:3eff:fe37:3303/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ef:28:8b:a8:cf 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::e8ef:28ff:fe8b:a8cf/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-13412) 08/18/26 _x86_64_ (8 CPU) 09:49:12 LINUX RESTART (8 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:11 650.07 4.72 626.52 18.83 334.78 73633.67 116455.51 10:10:00 77.88 0.21 49.56 28.12 1.93 2617.96 474784.18 Average: 368.98 2.50 343.09 23.39 171.27 38746.79 292486.52 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:11 3707956 23708112 8449696 25.71 584360 18525676 12310060 36.30 4586364 20905204 13472 10:10:00 7049552 26893204 5296684 16.12 596380 18324772 6141168 18.11 4659996 19391096 440 Average: 5378754 25300658 6873190 20.91 590370 18425224 9225614 27.21 4623180 20148150 6956 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:11 lo 1.06 1.06 0.11 0.11 0.00 0.00 0.00 0.00 10:00:11 ens3 628.06 366.13 5044.42 117.35 0.00 0.00 0.00 0.00 10:00:11 docker0 19.13 39.87 1.18 842.62 0.00 0.00 0.00 0.00 10:00:11 br-a723764c1e08 0.18 0.19 0.01 0.01 0.00 0.00 0.00 0.00 10:00:11 veth94fdf99 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:00:11 vethfdbe8ad 0.03 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:00:11 veth47c3eef 0.02 0.06 0.00 0.00 0.00 0.00 0.00 0.00 10:00:11 veth07cb9da 0.04 0.08 0.00 0.01 0.00 0.00 0.00 0.00 10:00:11 veth8b052a2 0.06 0.10 0.00 0.01 0.00 0.00 0.00 0.00 10:10:00 lo 0.38 0.38 0.02 0.02 0.00 0.00 0.00 0.00 10:10:00 ens3 4.38 2.68 1.18 1.55 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 br-a723764c1e08 0.11 0.07 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 veth94fdf99 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 Average: lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 321.67 187.58 2566.90 60.47 0.00 0.00 0.00 0.00 Average: docker0 9.73 20.28 0.60 428.68 0.00 0.00 0.00 0.00 Average: br-a723764c1e08 0.15 0.13 0.01 0.01 0.00 0.00 0.00 0.00 Average: veth94fdf99 0.02 0.08 0.00 0.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-13412) 08/18/26 _x86_64_ (8 CPU) 09:49:12 LINUX RESTART (8 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:11 all 40.10 0.00 6.11 1.20 0.09 52.50 10:00:11 0 36.97 0.00 5.82 1.30 0.09 55.81 10:00:11 1 40.61 0.01 5.88 1.07 0.08 52.34 10:00:11 2 40.04 0.00 6.19 1.13 0.08 52.56 10:00:11 3 41.19 0.00 6.96 1.68 0.10 50.07 10:00:11 4 41.40 0.00 5.94 1.03 0.09 51.54 10:00:11 5 40.89 0.00 6.08 0.98 0.09 51.96 10:00:11 6 39.30 0.00 5.97 1.17 0.09 53.47 10:00:11 7 40.37 0.00 6.05 1.24 0.09 52.25 10:10:00 all 5.80 0.02 0.78 0.21 0.06 93.13 10:10:00 0 5.42 0.02 0.85 0.26 0.06 93.39 10:10:00 1 5.47 0.04 0.86 0.31 0.07 93.25 10:10:00 2 5.91 0.03 0.79 0.34 0.06 92.87 10:10:00 3 6.37 0.03 0.81 0.29 0.06 92.44 10:10:00 4 6.70 0.01 0.75 0.12 0.06 92.35 10:10:00 5 5.25 0.01 0.73 0.07 0.07 93.87 10:10:00 6 5.35 0.02 0.63 0.05 0.06 93.89 10:10:00 7 5.93 0.02 0.79 0.21 0.07 92.99 Average: all 23.20 0.01 3.48 0.71 0.08 72.52 Average: 0 21.45 0.01 3.38 0.79 0.07 74.30 Average: 1 23.31 0.03 3.41 0.69 0.08 72.48 Average: 2 23.22 0.01 3.53 0.74 0.07 72.42 Average: 3 24.02 0.01 3.93 1.00 0.08 70.96 Average: 4 24.29 0.01 3.38 0.58 0.08 71.67 Average: 5 23.33 0.01 3.44 0.53 0.08 72.61 Average: 6 22.58 0.01 3.34 0.62 0.07 73.38 Average: 7 23.40 0.01 3.46 0.73 0.08 72.33