---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-11228 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: 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 14G 142G 9% / 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 771 24680 4 6641 30853 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:00:0f:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.156/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82918sec preferred_lft 82918sec inet6 fe80::f816:3eff:fe00:f25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:74:7f:f9:a2:f8 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::bc74:7fff:fef9:a2f8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-11228) 08/10/26 _x86_64_ (8 CPU) 21:12:42 LINUX RESTART (8 CPU) 21:20:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:30:11 1.47 0.20 1.26 0.02 1.56 15.84 11.51 21:40:01 15.25 0.01 1.23 14.01 0.18 14.58 517428.04 21:50:13 1.21 0.00 1.21 0.00 0.00 14.38 0.00 22:00:13 1.21 0.00 1.21 0.00 0.43 14.51 0.00 22:10:05 125.35 4.07 118.15 3.14 260.66 19549.56 29931.42 Average: 28.59 0.85 24.36 3.39 52.01 3880.09 107920.66 21:20:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:30:11 30125696 31786912 600612 1.83 60412 1939456 1526156 4.50 180912 2269644 152 21:40:01 30108092 31779912 607564 1.85 61052 1949428 1526480 4.50 191432 2277308 8 21:50:13 30099524 31771824 615660 1.87 61484 1949440 1526800 4.50 191888 2283812 40 22:00:13 30092488 31765496 621820 1.89 61900 1949708 1526864 4.50 192312 2291052 184 22:10:05 24615392 30922420 1375816 4.19 155520 6308340 2094724 6.18 1893900 5796272 3356 Average: 29008238 31605313 764294 2.33 80074 2819274 1640205 4.84 530089 2983618 748 21:20:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:30:11 ens3 0.40 0.27 0.17 0.29 0.00 0.00 0.00 0.00 21:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:40:01 ens3 0.28 0.19 0.10 0.22 0.00 0.00 0.00 0.00 21:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:50:13 ens3 0.25 0.17 0.09 0.20 0.00 0.00 0.00 0.00 21:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 22:00:13 ens3 0.27 0.19 0.10 0.20 0.00 0.00 0.00 0.00 22:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:05 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 22:10:05 ens3 100.43 76.81 1402.61 358.56 0.00 0.00 0.00 0.00 22:10:05 docker0 0.65 1.39 0.04 13.24 0.00 0.00 0.00 0.00 22:10:05 br-1d04a996722f 0.01 0.01 0.00 0.00 0.00 0.00 0.00 0.00 22:10:05 veth3711251 0.01 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 20.11 15.36 277.62 71.13 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.27 0.01 2.62 0.00 0.00 0.00 0.00 Average: br-1d04a996722f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth3711251 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-11228) 08/10/26 _x86_64_ (8 CPU) 21:12:42 LINUX RESTART (8 CPU) 21:20:13 CPU %user %nice %system %iowait %steal %idle 21:30:11 all 0.03 0.00 0.02 0.00 0.01 99.94 21:30:11 0 0.02 0.00 0.01 0.00 0.01 99.97 21:30:11 1 0.11 0.00 0.03 0.00 0.01 99.85 21:30:11 2 0.02 0.00 0.01 0.00 0.01 99.95 21:30:11 3 0.03 0.00 0.01 0.00 0.01 99.95 21:30:11 4 0.04 0.00 0.03 0.00 0.01 99.93 21:30:11 5 0.03 0.00 0.04 0.00 0.01 99.92 21:30:11 6 0.00 0.00 0.01 0.01 0.01 99.98 21:30:11 7 0.01 0.00 0.01 0.03 0.00 99.96 21:40:01 all 0.02 0.00 0.02 0.02 0.01 99.93 21:40:01 0 0.02 0.00 0.01 0.00 0.00 99.97 21:40:01 1 0.03 0.00 0.02 0.00 0.01 99.95 21:40:01 2 0.02 0.00 0.01 0.00 0.01 99.96 21:40:01 3 0.01 0.00 0.01 0.00 0.00 99.98 21:40:01 4 0.05 0.00 0.03 0.01 0.01 99.90 21:40:01 5 0.05 0.00 0.04 0.00 0.02 99.89 21:40:01 6 0.01 0.00 0.03 0.14 0.01 99.80 21:40:01 7 0.01 0.00 0.00 0.02 0.00 99.97 21:50:13 all 0.05 0.00 0.02 0.00 0.02 99.90 21:50:13 0 0.02 0.00 0.01 0.00 0.04 99.93 21:50:13 1 0.01 0.00 0.01 0.00 0.00 99.97 21:50:13 2 0.01 0.00 0.02 0.00 0.01 99.96 21:50:13 3 0.01 0.00 0.01 0.00 0.02 99.96 21:50:13 4 0.33 0.00 0.05 0.00 0.02 99.59 21:50:13 5 0.03 0.00 0.04 0.00 0.03 99.90 21:50:13 6 0.02 0.00 0.01 0.01 0.01 99.95 21:50:13 7 0.00 0.00 0.00 0.01 0.00 99.98 22:00:13 all 0.05 0.00 0.02 0.01 0.03 99.88 22:00:13 0 0.01 0.00 0.01 0.00 0.09 99.89 22:00:13 1 0.01 0.00 0.02 0.00 0.01 99.96 22:00:13 2 0.01 0.00 0.01 0.02 0.09 99.87 22:00:13 3 0.02 0.00 0.01 0.00 0.01 99.96 22:00:13 4 0.30 0.00 0.02 0.00 0.02 99.67 22:00:13 5 0.03 0.00 0.04 0.00 0.01 99.92 22:00:13 6 0.01 0.00 0.02 0.09 0.01 99.86 22:00:13 7 0.02 0.00 0.03 0.00 0.02 99.93 22:10:05 all 5.28 0.00 1.51 0.42 0.04 92.75 22:10:05 0 4.27 0.00 1.43 0.27 0.03 94.00 22:10:05 1 6.31 0.00 1.61 0.24 0.04 91.81 22:10:05 2 4.84 0.00 1.40 0.50 0.04 93.22 22:10:05 3 4.71 0.00 1.44 0.32 0.04 93.49 22:10:05 4 4.55 0.00 1.44 0.28 0.04 93.69 22:10:05 5 6.25 0.00 1.50 0.32 0.04 91.90 22:10:05 6 6.20 0.00 1.80 1.16 0.05 90.80 22:10:05 7 5.09 0.00 1.47 0.31 0.05 93.08 Average: all 1.07 0.00 0.31 0.09 0.02 98.50 Average: 0 0.86 0.00 0.29 0.05 0.03 98.77 Average: 1 1.28 0.00 0.33 0.05 0.01 98.33 Average: 2 0.97 0.00 0.29 0.10 0.03 98.61 Average: 3 0.94 0.00 0.29 0.06 0.01 98.68 Average: 4 1.04 0.00 0.31 0.06 0.02 98.57 Average: 5 1.26 0.00 0.33 0.06 0.02 98.32 Average: 6 1.23 0.00 0.37 0.28 0.02 98.10 Average: 7 1.01 0.00 0.30 0.07 0.01 98.60