---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3955 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 893 19890 4 11308 30731 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:3c:72:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.159/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84558sec preferred_lft 84558sec inet6 fe80::f816:3eff:fe3c:727c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:d2:bf:4b:77:6a 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-3955) 08/04/26 _x86_64_ (8 CPU) 09:14:29 LINUX RESTART (8 CPU) 09:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:06 25.73 0.94 23.41 1.38 24.35 5377.17 2164.48 09:40:18 9.92 0.01 8.77 1.14 0.77 1500.47 414.93 Average: 17.76 0.47 16.03 1.26 12.47 3424.45 1283.22 09:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:06 15985220 24800560 7446060 22.66 467764 7886100 9725048 28.68 1482104 14178060 700 09:40:18 15333344 24557728 7684828 23.38 474796 8263104 11133728 32.83 1560916 14724824 2708 Average: 15659282 24679144 7565444 23.02 471280 8074602 10429388 30.76 1521510 14451442 1704 09:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:06 lo 3.95 3.95 1.31 1.31 0.00 0.00 0.00 0.00 09:30:06 ens3 240.99 149.11 471.47 67.58 0.00 0.00 0.00 0.00 09:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 lo 3.91 3.91 0.66 0.66 0.00 0.00 0.00 0.00 09:40:18 ens3 86.33 56.77 93.72 27.01 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.93 3.93 0.98 0.98 0.00 0.00 0.00 0.00 Average: ens3 163.09 102.60 281.19 47.14 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-3955) 08/04/26 _x86_64_ (8 CPU) 09:14:29 LINUX RESTART (8 CPU) 09:20:03 CPU %user %nice %system %iowait %steal %idle 09:30:06 all 82.59 0.00 2.98 0.20 0.19 14.04 09:30:06 0 84.11 0.00 2.92 0.52 0.19 12.26 09:30:06 1 80.88 0.00 2.92 0.11 0.18 15.90 09:30:06 2 82.37 0.00 2.98 0.17 0.19 14.30 09:30:06 3 84.08 0.00 3.03 0.21 0.19 12.49 09:30:06 4 82.87 0.00 3.12 0.14 0.19 13.69 09:30:06 5 82.89 0.00 3.19 0.13 0.19 13.61 09:30:06 6 82.37 0.00 2.79 0.17 0.19 14.47 09:30:06 7 81.18 0.00 2.87 0.18 0.19 15.58 09:40:18 all 96.68 0.00 3.08 0.00 0.20 0.04 09:40:18 0 96.73 0.00 3.03 0.00 0.20 0.04 09:40:18 1 96.68 0.00 3.08 0.00 0.21 0.03 09:40:18 2 96.58 0.00 3.18 0.00 0.20 0.04 09:40:18 3 96.75 0.00 3.00 0.00 0.21 0.04 09:40:18 4 96.59 0.00 3.16 0.00 0.21 0.04 09:40:18 5 96.79 0.00 2.98 0.00 0.20 0.04 09:40:18 6 96.62 0.00 3.14 0.00 0.21 0.03 09:40:18 7 96.72 0.00 3.05 0.00 0.20 0.03 Average: all 89.70 0.00 3.03 0.10 0.20 6.97 Average: 0 90.48 0.00 2.97 0.26 0.20 6.09 Average: 1 88.85 0.00 3.00 0.06 0.20 7.89 Average: 2 89.54 0.00 3.08 0.08 0.20 7.10 Average: 3 90.48 0.00 3.01 0.10 0.20 6.21 Average: 4 89.79 0.00 3.14 0.07 0.20 6.80 Average: 5 89.90 0.00 3.08 0.06 0.19 6.76 Average: 6 89.56 0.00 2.96 0.08 0.20 7.19 Average: 7 89.02 0.00 2.96 0.09 0.20 7.73