---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3758 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 16G 140G 10% / 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 760 22751 4 8580 30864 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:c7:3c:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.90/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85332sec preferred_lft 85332sec inet6 fe80::f816:3eff:fec7:3c29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:9d:65:fb:c7:70 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::589d:65ff:fefb:c770/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3758) 04/04/26 _x86_64_ (8 CPU) 18:14:59 LINUX RESTART (8 CPU) 18:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:23 161.55 4.91 139.65 17.00 626.42 19755.26 494763.43 Average: 161.55 4.91 139.65 17.00 626.42 19755.26 494763.43 18:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:23 21420144 29466532 2785784 8.48 186248 7935352 8175708 24.11 814920 9916260 399400 Average: 21420144 29466532 2785784 8.48 186248 7935352 8175708 24.11 814920 9916260 399400 18:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:23 lo 2.54 2.54 0.31 0.31 0.00 0.00 0.00 0.00 18:30:23 ens3 109.88 64.78 2642.39 8.98 0.00 0.00 0.00 0.00 18:30:23 docker0 3.78 5.94 0.36 137.73 0.00 0.00 0.00 0.00 18:30:23 br-8af4bd7cc3d8 1.42 2.12 0.09 34.21 0.00 0.00 0.00 0.00 18:30:23 vethc91f552 13.21 14.98 2.49 2.35 0.00 0.00 0.00 0.00 18:30:23 veth6b6fa7e 0.19 0.24 0.03 0.69 0.00 0.00 0.00 0.00 18:30:23 veth504d7e0 0.91 0.81 0.09 0.11 0.00 0.00 0.00 0.00 18:30:23 veth6751e65 1.37 2.17 0.11 34.22 0.00 0.00 0.00 0.00 18:30:23 vethe160bc6 8.87 8.83 1.82 1.80 0.00 0.00 0.00 0.00 18:30:23 vethcceeb3d 0.71 0.80 0.43 0.09 0.00 0.00 0.00 0.00 18:30:23 veth015f7c5 0.38 0.47 0.08 0.05 0.00 0.00 0.00 0.00 18:30:23 veth094ff73 3.78 5.95 0.41 137.73 0.00 0.00 0.00 0.01 Average: lo 2.54 2.54 0.31 0.31 0.00 0.00 0.00 0.00 Average: ens3 109.88 64.78 2642.39 8.98 0.00 0.00 0.00 0.00 Average: docker0 3.78 5.94 0.36 137.73 0.00 0.00 0.00 0.00 Average: br-8af4bd7cc3d8 1.42 2.12 0.09 34.21 0.00 0.00 0.00 0.00 Average: vethc91f552 13.21 14.98 2.49 2.35 0.00 0.00 0.00 0.00 Average: veth6b6fa7e 0.19 0.24 0.03 0.69 0.00 0.00 0.00 0.00 Average: veth504d7e0 0.91 0.81 0.09 0.11 0.00 0.00 0.00 0.00 Average: veth6751e65 1.37 2.17 0.11 34.22 0.00 0.00 0.00 0.00 Average: vethe160bc6 8.87 8.83 1.82 1.80 0.00 0.00 0.00 0.00 Average: vethcceeb3d 0.71 0.80 0.43 0.09 0.00 0.00 0.00 0.00 Average: veth015f7c5 0.38 0.47 0.08 0.05 0.00 0.00 0.00 0.00 Average: veth094ff73 3.78 5.95 0.41 137.73 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3758) 04/04/26 _x86_64_ (8 CPU) 18:14:59 LINUX RESTART (8 CPU) 18:20:01 CPU %user %nice %system %iowait %steal %idle 18:30:23 all 4.91 0.00 1.14 0.49 0.02 93.44 18:30:23 0 3.96 0.00 0.94 0.32 0.02 94.76 18:30:23 1 5.74 0.00 1.31 0.75 0.03 92.17 18:30:23 2 4.51 0.00 1.33 0.43 0.02 93.71 18:30:23 3 4.22 0.00 1.10 1.15 0.02 93.51 18:30:23 4 4.08 0.00 1.05 0.41 0.02 94.44 18:30:23 5 5.48 0.00 1.06 0.27 0.01 93.18 18:30:23 6 6.83 0.00 1.19 0.33 0.02 91.63 18:30:23 7 4.48 0.00 1.14 0.26 0.04 94.08 Average: all 4.91 0.00 1.14 0.49 0.02 93.44 Average: 0 3.96 0.00 0.94 0.32 0.02 94.76 Average: 1 5.74 0.00 1.31 0.75 0.03 92.17 Average: 2 4.51 0.00 1.33 0.43 0.02 93.71 Average: 3 4.22 0.00 1.10 1.15 0.02 93.51 Average: 4 4.08 0.00 1.05 0.41 0.02 94.44 Average: 5 5.48 0.00 1.06 0.27 0.01 93.18 Average: 6 6.83 0.00 1.19 0.33 0.02 91.63 Average: 7 4.48 0.00 1.14 0.26 0.04 94.08