---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4375 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 20G 136G 13% / 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 837 18025 4 13228 30786 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:20:f5:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.196/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84516sec preferred_lft 84516sec inet6 fe80::f816:3eff:fe20:f559/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:6f:a7:00:fa:6d 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 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4375) 07/01/26 _x86_64_ (8 CPU) 15:20:33 LINUX RESTART (8 CPU) 15:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 15.85 0.20 1.46 14.19 1.72 19.20 511567.54 15:50:05 184.78 6.44 172.02 6.32 662.91 38386.74 51517.72 Average: 100.90 3.34 87.33 10.23 334.58 19334.57 279964.69 15:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 29931368 31777068 606724 1.85 64748 2117700 1513584 4.46 258256 2381092 4 15:50:05 16828096 29945208 2314724 7.04 255448 12680364 9924620 29.27 1407800 13703808 2616 Average: 23379732 30861138 1460724 4.44 160098 7399032 5719102 16.86 833028 8042450 1310 15:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:40:01 ens3 0.38 0.24 0.15 0.30 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 lo 1.79 1.79 0.26 0.26 0.00 0.00 0.00 0.00 15:50:05 ens3 331.70 182.67 5356.46 23.36 0.00 0.00 0.00 0.00 15:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 br-0691dad2303b 0.06 0.02 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth3f9f30b 0.12 0.21 0.01 0.02 0.00 0.00 0.00 0.00 15:50:05 vethcc36b9a 0.01 0.08 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth2396554 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth49b93db 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth859bfbe 0.00 0.07 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth3b1a413 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 vethfdb5297 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 vethd63a2eb 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 vethcc015b5 0.14 0.17 0.01 0.02 0.00 0.00 0.00 0.00 15:50:05 veth80b2e12 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 veth6edebc2 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.95 0.95 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 167.18 92.08 2696.67 11.91 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 Average: br-0691dad2303b 0.03 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3f9f30b 0.06 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: vethcc36b9a 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2396554 0.00 0.04 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth49b93db 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth859bfbe 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3b1a413 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethfdb5297 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethd63a2eb 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethcc015b5 0.07 0.09 0.01 0.01 0.00 0.00 0.00 0.00 Average: veth80b2e12 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6edebc2 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4375) 07/01/26 _x86_64_ (8 CPU) 15:20:33 LINUX RESTART (8 CPU) 15:30:05 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 0.02 0.00 0.02 0.02 0.01 99.93 15:40:01 0 0.02 0.00 0.00 0.00 0.01 99.97 15:40:01 1 0.01 0.00 0.01 0.00 0.00 99.98 15:40:01 2 0.03 0.00 0.02 0.02 0.01 99.93 15:40:01 3 0.02 0.00 0.04 0.11 0.01 99.83 15:40:01 4 0.03 0.00 0.03 0.03 0.02 99.90 15:40:01 5 0.02 0.00 0.02 0.00 0.01 99.95 15:40:01 6 0.05 0.00 0.01 0.00 0.00 99.94 15:40:01 7 0.02 0.00 0.01 0.00 0.00 99.97 15:50:05 all 8.44 0.00 1.61 0.69 0.03 89.23 15:50:05 0 9.55 0.00 1.55 0.73 0.04 88.14 15:50:05 1 10.00 0.00 1.62 0.68 0.03 87.67 15:50:05 2 7.22 0.00 1.59 1.25 0.03 89.91 15:50:05 3 7.18 0.00 1.49 0.42 0.03 90.88 15:50:05 4 7.62 0.00 1.72 0.61 0.03 90.03 15:50:05 5 8.54 0.00 1.55 0.57 0.03 89.32 15:50:05 6 8.39 0.00 1.59 0.93 0.03 89.07 15:50:05 7 9.03 0.00 1.74 0.36 0.03 88.84 Average: all 4.26 0.00 0.82 0.36 0.02 94.55 Average: 0 4.82 0.00 0.78 0.37 0.02 94.01 Average: 1 5.03 0.00 0.82 0.34 0.02 93.79 Average: 2 3.65 0.00 0.81 0.64 0.02 94.88 Average: 3 3.62 0.00 0.77 0.27 0.02 95.33 Average: 4 3.84 0.00 0.88 0.32 0.02 94.93 Average: 5 4.30 0.00 0.79 0.29 0.02 94.60 Average: 6 4.24 0.00 0.81 0.47 0.02 94.47 Average: 7 4.55 0.00 0.88 0.18 0.02 94.37