---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-12536 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: 5600.00 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 25G 131G 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 12397 4 18696 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:50:7f:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.134/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84447sec preferred_lft 84447sec inet6 fe80::f816:3eff:fe50:7f2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:5d:f3:df:a9:ec 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::dc5d:f3ff:fedf:a9ec/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-12536) 08/14/26 _x86_64_ (8 CPU) 13:40:01 LINUX RESTART (8 CPU) 13:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:02 125.27 0.29 119.56 5.42 13.94 21007.27 11626.98 14:10:02 11.29 0.16 10.84 0.29 5.79 470.02 7504.27 Average: 68.28 0.22 65.20 2.86 9.86 10737.79 9565.46 13:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:02 627420 20518020 11634444 35.40 588296 18415640 17526092 51.68 4764536 23814956 1316 14:10:02 270392 19545708 12606288 38.36 572900 17820476 18512900 54.59 4772420 24138552 412 Average: 448906 20031864 12120366 36.88 580598 18118058 18019496 53.14 4768478 23976754 864 13:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:02 lo 0.49 0.49 0.04 0.04 0.00 0.00 0.00 0.00 14:00:02 ens3 61.68 40.19 1370.52 6.39 0.00 0.00 0.00 0.00 14:00:02 docker0 7.87 11.09 0.44 170.42 0.00 0.00 0.00 0.00 14:00:02 br-430b8ac21509 0.30 0.26 0.01 0.02 0.00 0.00 0.00 0.00 14:00:02 veth9738de1 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 14:00:02 veth2bdcd97 0.04 0.12 0.00 0.01 0.00 0.00 0.00 0.00 14:00:02 veth70fff0e 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 14:00:02 veth06f95ad 71.27 75.17 35.64 37.13 0.00 0.00 0.00 0.00 14:00:02 veth1113583 0.46 0.41 0.05 0.25 0.00 0.00 0.00 0.00 14:00:02 vethd394b8a 71.05 66.69 49.50 32.54 0.00 0.00 0.00 0.00 14:00:02 veth9a0c9b5 0.96 1.77 1.23 13.34 0.00 0.00 0.00 0.00 14:00:02 veth0c1875d 2.04 1.61 0.28 1.62 0.00 0.00 0.00 0.00 14:10:02 lo 10.23 10.23 56.60 56.60 0.00 0.00 0.00 0.00 14:10:02 ens3 12.63 9.21 4.03 4.71 0.00 0.00 0.00 0.00 14:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 br-430b8ac21509 5.99 5.49 55.63 1.17 0.00 0.00 0.00 0.00 14:10:02 veth9738de1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 veth2bdcd97 0.23 0.20 0.02 0.08 0.00 0.00 0.00 0.00 14:10:02 veth70fff0e 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:02 veth06f95ad 325.26 351.10 266.66 153.57 0.00 0.00 0.00 0.02 14:10:02 veth1113583 0.40 0.20 0.07 0.35 0.00 0.00 0.00 0.00 14:10:02 vethd394b8a 112.63 103.49 99.00 72.20 0.00 0.00 0.00 0.01 14:10:02 veth0c1875d 247.22 230.26 113.41 198.39 0.00 0.00 0.00 0.02 Average: lo 5.36 5.36 28.32 28.32 0.00 0.00 0.00 0.00 Average: ens3 37.16 24.70 687.22 5.55 0.00 0.00 0.00 0.00 Average: docker0 3.93 5.55 0.22 85.20 0.00 0.00 0.00 0.00 Average: br-430b8ac21509 3.14 2.88 27.82 0.60 0.00 0.00 0.00 0.00 Average: veth9738de1 0.02 0.07 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2bdcd97 0.13 0.16 0.01 0.05 0.00 0.00 0.00 0.00 Average: veth70fff0e 0.01 0.06 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth06f95ad 198.27 213.15 151.16 95.35 0.00 0.00 0.00 0.01 Average: veth1113583 0.43 0.31 0.06 0.30 0.00 0.00 0.00 0.00 Average: vethd394b8a 91.84 85.09 74.25 52.37 0.00 0.00 0.00 0.01 Average: veth0c1875d 124.64 115.95 56.85 100.01 0.00 0.00 0.00 0.01 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-12536) 08/14/26 _x86_64_ (8 CPU) 13:40:01 LINUX RESTART (8 CPU) 13:50:02 CPU %user %nice %system %iowait %steal %idle 14:00:02 all 10.38 0.02 1.93 1.75 0.07 85.85 14:00:02 0 11.11 0.02 2.16 2.23 0.07 84.42 14:00:02 1 9.73 0.01 2.00 2.09 0.07 86.11 14:00:02 2 10.71 0.02 1.89 1.44 0.07 85.86 14:00:02 3 9.76 0.04 1.79 1.62 0.07 86.72 14:00:02 4 9.71 0.03 1.74 1.33 0.07 87.11 14:00:02 5 11.01 0.02 1.89 1.95 0.07 85.06 14:00:02 6 10.90 0.01 2.12 1.92 0.08 84.98 14:00:02 7 10.08 0.01 1.84 1.43 0.08 86.56 14:10:02 all 6.71 0.00 1.33 0.09 0.08 91.78 14:10:02 0 5.91 0.00 1.85 0.02 0.08 92.13 14:10:02 1 5.80 0.00 1.42 0.07 0.08 92.64 14:10:02 2 7.01 0.00 1.28 0.07 0.08 91.56 14:10:02 3 7.70 0.00 1.37 0.09 0.09 90.76 14:10:02 4 7.13 0.00 1.23 0.01 0.07 91.56 14:10:02 5 7.31 0.00 1.21 0.02 0.08 91.38 14:10:02 6 6.90 0.00 1.10 0.35 0.08 91.57 14:10:02 7 5.96 0.00 1.21 0.10 0.09 92.65 Average: all 8.55 0.01 1.63 0.92 0.08 88.81 Average: 0 8.51 0.01 2.00 1.13 0.08 88.27 Average: 1 7.77 0.01 1.71 1.08 0.07 89.37 Average: 2 8.87 0.01 1.59 0.75 0.07 88.71 Average: 3 8.73 0.02 1.58 0.85 0.08 88.74 Average: 4 8.42 0.02 1.48 0.67 0.07 89.33 Average: 5 9.16 0.01 1.55 0.98 0.08 88.21 Average: 6 8.90 0.01 1.61 1.13 0.08 88.27 Average: 7 8.03 0.01 1.52 0.77 0.08 89.60