---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3462 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: 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 24G 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 12815 4 18445 30793 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:bd:11:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.41/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84081sec preferred_lft 84081sec inet6 fe80::f816:3eff:febd:111a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:2e:7d:69:93:1c 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::502e:7dff:fe69:931c/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-3462) 04/03/26 _x86_64_ (8 CPU) 12:16:08 LINUX RESTART (8 CPU) 12:20:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:01 3.69 0.09 3.32 0.28 3.82 260.21 492.66 12:40:13 36.40 2.83 32.76 0.81 219.01 1583.35 711.90 12:50:00 318.53 0.96 308.91 8.66 57.64 60903.23 344107.68 Average: 118.09 1.31 113.56 3.21 95.14 20590.63 113196.74 12:20:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:01 30055524 31776936 607368 1.85 62820 1996524 1516208 4.47 212212 2294756 4 12:40:13 29398232 31754132 593944 1.81 103200 2559084 1762468 5.20 332656 2803652 217616 12:50:00 16316452 30977400 1271520 3.87 398036 13949332 1872024 5.52 8050628 7418444 940 Average: 25256736 31502823 824277 2.51 188019 6168313 1716900 5.06 2865165 4172284 72853 12:20:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:01 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:30:01 ens3 3.76 2.03 84.52 0.44 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:13 lo 0.40 0.40 0.07 0.07 0.00 0.00 0.00 0.00 12:40:13 ens3 36.22 24.57 250.49 8.33 0.00 0.00 0.00 0.00 12:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 0.36 0.36 0.07 0.07 0.00 0.00 0.00 0.00 12:50:00 ens3 178.14 111.98 2530.74 2357.38 0.00 0.00 0.00 0.00 12:50:00 docker0 4.08 5.23 0.22 129.44 0.00 0.00 0.00 0.00 12:50:00 veth812cc74 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 72.03 45.78 943.16 775.69 0.00 0.00 0.00 0.00 Average: docker0 1.34 1.71 0.07 42.43 0.00 0.00 0.00 0.00 Average: veth812cc74 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-3462) 04/03/26 _x86_64_ (8 CPU) 12:16:08 LINUX RESTART (8 CPU) 12:20:11 CPU %user %nice %system %iowait %steal %idle 12:30:01 all 0.15 0.00 0.08 0.03 0.01 99.74 12:30:01 0 0.12 0.00 0.06 0.03 0.01 99.79 12:30:01 1 0.18 0.00 0.20 0.01 0.01 99.60 12:30:01 2 0.43 0.00 0.05 0.01 0.03 99.49 12:30:01 3 0.07 0.00 0.08 0.00 0.01 99.84 12:30:01 4 0.08 0.00 0.04 0.06 0.01 99.81 12:30:01 5 0.09 0.00 0.05 0.01 0.01 99.84 12:30:01 6 0.15 0.00 0.07 0.04 0.01 99.74 12:30:01 7 0.09 0.00 0.05 0.05 0.01 99.80 12:40:13 all 1.51 0.00 0.18 0.12 0.02 98.17 12:40:13 0 2.86 0.00 0.22 0.05 0.02 96.85 12:40:13 1 1.59 0.00 0.17 0.01 0.02 98.20 12:40:13 2 1.17 0.00 0.21 0.37 0.02 98.22 12:40:13 3 1.02 0.00 0.15 0.01 0.01 98.80 12:40:13 4 0.79 0.00 0.14 0.42 0.01 98.64 12:40:13 5 0.89 0.00 0.08 0.00 0.01 99.01 12:40:13 6 3.39 0.00 0.37 0.09 0.02 96.13 12:40:13 7 0.34 0.00 0.08 0.02 0.01 99.55 12:50:00 all 10.53 0.00 5.13 1.23 0.07 83.04 12:50:00 0 10.93 0.00 5.27 1.23 0.07 82.49 12:50:00 1 10.55 0.00 5.17 1.69 0.07 82.52 12:50:00 2 11.00 0.00 5.50 1.16 0.06 82.28 12:50:00 3 10.48 0.00 5.38 1.58 0.07 82.49 12:50:00 4 10.42 0.00 4.95 0.95 0.06 83.63 12:50:00 5 11.47 0.00 5.24 1.37 0.06 81.85 12:50:00 6 9.69 0.00 4.83 1.32 0.07 84.09 12:50:00 7 9.71 0.00 4.72 0.55 0.06 84.95 Average: all 4.00 0.00 1.76 0.45 0.03 93.76 Average: 0 4.58 0.00 1.81 0.43 0.03 93.15 Average: 1 4.05 0.00 1.81 0.56 0.03 93.55 Average: 2 4.12 0.00 1.88 0.51 0.04 93.45 Average: 3 3.79 0.00 1.83 0.52 0.03 93.84 Average: 4 3.69 0.00 1.67 0.47 0.03 94.14 Average: 5 4.07 0.00 1.75 0.45 0.03 93.70 Average: 6 4.37 0.00 1.72 0.47 0.03 93.40 Average: 7 3.31 0.00 1.58 0.20 0.03 94.88