---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15403 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 773 5268 4 2189 7168 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:be:dc:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81288sec preferred_lft 81288sec inet6 fe80::f816:3eff:febe:dce7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15403) 05/15/26 _x86_64_ (2 CPU) 04:38:49 LINUX RESTART (2 CPU) 04:40:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:08 14.31 0.03 1.28 12.99 1.44 15.43 113226.68 05:00:01 1.33 0.01 1.30 0.02 0.05 16.28 662.35 05:10:29 1.62 0.24 1.35 0.03 29.57 69.29 1.31 05:20:08 1.30 0.01 1.29 0.00 1.11 15.64 0.06 05:30:01 1.41 0.00 1.40 0.01 0.00 17.22 0.27 05:40:08 1.26 0.00 1.26 0.00 0.00 15.28 0.00 05:50:08 22.18 3.04 16.94 2.21 228.17 3171.28 595.49 06:00:01 1.49 0.00 1.47 0.02 0.00 23.21 0.47 Average: 5.58 0.42 3.30 1.86 32.90 420.61 13885.28 04:40:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:08 6298608 7549156 271196 3.33 30576 1425820 532864 5.80 449968 1187228 88 05:00:01 6286532 7537620 282660 3.48 30772 1426152 532984 5.81 450480 1187748 180 05:10:29 6234488 7512264 307564 3.78 31144 1452104 727512 7.92 464276 1205316 172 05:20:08 6248544 7527156 292668 3.60 31324 1452752 533156 5.81 459248 1205824 180 05:30:01 6249972 7529220 290488 3.57 31484 1453200 533224 5.81 459604 1206312 124 05:40:08 6251592 7531348 288348 3.55 31652 1453528 533412 5.81 460216 1206808 180 05:50:08 5234928 7358024 413300 5.08 85000 2202236 661660 7.21 627968 1963304 208 06:00:01 5194896 7320016 451304 5.55 85136 2204128 684464 7.46 642404 1965336 424 Average: 5999945 7483100 324691 3.99 44636 1633740 592410 6.45 501770 1390984 194 04:40:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:08 ens3 1.72 0.08 0.21 0.04 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 0.68 0.14 0.18 0.10 0.00 0.00 0.00 0.00 05:10:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:29 ens3 1.21 0.20 12.48 0.03 0.00 0.00 0.00 0.00 05:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:08 ens3 0.76 0.05 1.16 0.03 0.00 0.00 0.00 0.00 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 0.26 0.05 0.07 0.04 0.00 0.00 0.00 0.00 05:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:08 ens3 0.62 0.31 0.17 0.68 0.00 0.00 0.00 0.00 05:50:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 05:50:08 ens3 64.97 46.04 315.16 11.57 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 12.46 11.25 108.44 1.07 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.37 7.29 54.98 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15403) 05/15/26 _x86_64_ (2 CPU) 04:38:49 LINUX RESTART (2 CPU) 04:40:29 CPU %user %nice %system %iowait %steal %idle 04:50:08 all 0.24 0.00 0.10 0.08 0.04 99.54 04:50:08 0 0.08 0.00 0.11 0.05 0.04 99.72 04:50:08 1 0.40 0.00 0.08 0.12 0.04 99.36 05:00:01 all 0.26 0.00 0.17 0.01 0.04 99.52 05:00:01 0 0.17 0.00 0.16 0.02 0.04 99.61 05:00:01 1 0.35 0.00 0.18 0.00 0.04 99.43 05:10:29 all 0.36 0.00 0.10 0.72 0.04 98.78 05:10:29 0 0.20 0.00 0.10 0.43 0.05 99.23 05:10:29 1 0.53 0.00 0.10 1.01 0.03 98.33 05:20:08 all 0.27 0.00 0.08 0.06 0.03 99.56 05:20:08 0 0.14 0.00 0.08 0.09 0.03 99.66 05:20:08 1 0.41 0.00 0.07 0.03 0.03 99.45 05:30:01 all 0.29 0.00 0.17 0.11 0.03 99.40 05:30:01 0 0.14 0.00 0.18 0.18 0.03 99.46 05:30:01 1 0.44 0.00 0.16 0.04 0.03 99.34 05:40:08 all 0.25 0.00 0.07 0.01 0.03 99.63 05:40:08 0 0.27 0.00 0.08 0.00 0.03 99.62 05:40:08 1 0.24 0.00 0.07 0.01 0.04 99.65 05:50:08 all 10.90 0.00 1.69 0.56 0.07 86.79 05:50:08 0 11.75 0.00 1.68 0.45 0.07 86.05 05:50:08 1 10.05 0.00 1.70 0.66 0.07 87.53 06:00:01 all 1.03 0.00 0.31 0.29 0.05 98.32 06:00:01 0 1.09 0.00 0.31 0.47 0.04 98.08 06:00:01 1 0.96 0.00 0.31 0.11 0.05 98.57 Average: all 1.71 0.00 0.34 0.23 0.04 97.68 Average: 0 1.74 0.00 0.34 0.22 0.04 97.67 Average: 1 1.68 0.00 0.33 0.25 0.04 97.69