---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1281 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 25G 131G 16% / 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 831 12290 4 18970 30792 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:1b:10:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.156/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84504sec preferred_lft 84504sec inet6 fe80::f816:3eff:fe1b:10de/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:15:c0:f9:39:22 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::cc15:c0ff:fef9:3922/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1281) 05/19/26 _x86_64_ (8 CPU) 09:49:15 LINUX RESTART (8 CPU) 09:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:02 704.87 4.63 681.76 18.49 308.25 71597.48 79017.02 10:10:04 54.18 0.39 51.06 2.72 16.59 3436.92 1448.90 10:20:04 13.29 0.00 12.46 0.83 0.01 454.49 7325.05 Average: 256.35 1.67 247.37 7.32 107.79 25048.89 29137.45 09:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:02 9071792 27861640 4341824 13.21 579384 17329192 4521264 13.33 4570652 17500988 528 10:10:04 1435936 20941024 11212020 34.12 594408 18023384 17177208 50.65 4893496 22825140 904 10:20:04 8864640 27894432 4298324 13.08 594748 17534712 5460596 16.10 4738380 17509464 488 Average: 6457456 25565699 6617389 20.14 589513 17629096 9053023 26.70 4734176 19278531 640 09:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:02 lo 0.93 0.93 0.10 0.10 0.00 0.00 0.00 0.00 10:00:02 ens3 616.87 372.77 4377.75 121.16 0.00 0.00 0.00 0.00 10:00:02 docker0 19.40 35.90 1.21 868.07 0.00 0.00 0.00 0.00 10:00:02 br-f5f6786cf97f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 lo 1.80 1.80 3.69 3.69 0.00 0.00 0.00 0.00 10:10:04 ens3 10.86 5.99 3.37 3.07 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:04 br-f5f6786cf97f 1.10 1.04 3.47 0.24 0.00 0.00 0.00 0.00 10:10:04 veth9130cc6 0.52 0.45 0.07 0.31 0.00 0.00 0.00 0.00 10:10:04 veth1cf5797 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 10:10:04 veth3d9de86 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 10:10:04 vethf81d156 120.54 128.81 75.16 60.95 0.00 0.00 0.00 0.01 10:10:04 veth4ee1f4d 0.13 0.20 0.01 0.03 0.00 0.00 0.00 0.00 10:10:04 vethb7c79b1 85.37 79.40 58.46 39.91 0.00 0.00 0.00 0.00 10:10:04 vethfe7f224 42.75 39.51 19.21 34.52 0.00 0.00 0.00 0.00 10:20:04 lo 10.77 10.77 53.44 53.44 0.00 0.00 0.00 0.00 10:20:04 ens3 22.88 12.51 8.59 6.69 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 br-f5f6786cf97f 5.98 5.90 52.44 1.06 0.00 0.00 0.00 0.00 10:20:04 veth9130cc6 0.39 0.22 0.07 0.33 0.00 0.00 0.00 0.00 Average: lo 4.50 4.50 19.10 19.10 0.00 0.00 0.00 0.00 Average: ens3 215.87 129.82 1456.00 43.45 0.00 0.00 0.00 0.00 Average: docker0 6.43 11.91 0.40 287.92 0.00 0.00 0.00 0.00 Average: br-f5f6786cf97f 2.36 2.32 18.66 0.44 0.00 0.00 0.00 0.00 Average: veth9130cc6 0.31 0.22 0.05 0.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1281) 05/19/26 _x86_64_ (8 CPU) 09:49:15 LINUX RESTART (8 CPU) 09:50:05 CPU %user %nice %system %iowait %steal %idle 10:00:02 all 34.72 0.00 5.14 1.31 0.09 58.74 10:00:02 0 31.44 0.00 5.66 1.39 0.10 61.42 10:00:02 1 35.91 0.00 4.94 1.28 0.09 57.79 10:00:02 2 38.14 0.00 5.43 1.03 0.09 55.31 10:00:02 3 32.46 0.00 4.93 0.98 0.09 61.55 10:00:02 4 34.86 0.00 5.00 1.39 0.09 58.66 10:00:02 5 41.51 0.00 4.98 1.53 0.10 51.88 10:00:02 6 30.72 0.00 5.50 1.59 0.09 62.11 10:00:02 7 32.71 0.00 4.71 1.33 0.09 61.17 10:10:04 all 9.83 0.02 1.08 0.18 0.06 88.82 10:10:04 0 9.98 0.03 0.98 0.07 0.06 88.88 10:10:04 1 10.18 0.01 1.21 0.10 0.07 88.43 10:10:04 2 9.96 0.03 1.14 0.08 0.07 88.72 10:10:04 3 9.86 0.02 1.03 0.36 0.07 88.67 10:10:04 4 9.77 0.02 1.12 0.42 0.06 88.61 10:10:04 5 9.30 0.02 1.07 0.08 0.06 89.47 10:10:04 6 9.44 0.03 0.99 0.17 0.06 89.31 10:10:04 7 10.17 0.01 1.13 0.14 0.06 88.50 10:20:04 all 4.72 0.00 1.04 0.03 0.06 94.15 10:20:04 0 4.13 0.00 1.03 0.05 0.06 94.72 10:20:04 1 6.17 0.00 1.12 0.05 0.06 92.61 10:20:04 2 5.00 0.00 0.98 0.02 0.06 93.94 10:20:04 3 4.32 0.00 0.97 0.05 0.07 94.59 10:20:04 4 4.57 0.00 1.02 0.02 0.06 94.33 10:20:04 5 4.12 0.00 1.12 0.02 0.06 94.69 10:20:04 6 4.73 0.00 1.03 0.03 0.06 94.16 10:20:04 7 4.74 0.00 1.03 0.01 0.06 94.16 Average: all 16.39 0.01 2.41 0.51 0.07 80.62 Average: 0 15.15 0.01 2.55 0.50 0.07 81.71 Average: 1 17.37 0.00 2.42 0.47 0.07 79.66 Average: 2 17.65 0.01 2.51 0.38 0.08 79.38 Average: 3 15.50 0.01 2.30 0.46 0.07 81.65 Average: 4 16.36 0.01 2.37 0.61 0.07 80.58 Average: 5 18.26 0.01 2.38 0.54 0.07 78.73 Average: 6 14.93 0.01 2.49 0.59 0.07 81.90 Average: 7 15.86 0.01 2.29 0.49 0.07 81.29