---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36759 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: 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: 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 8.1G 30G 22% / 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 768 5097 4 2369 7173 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:98:91:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81305sec preferred_lft 81305sec inet6 fe80::f816:3eff:fe98:9132/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36759) 07/18/26 _x86_64_ (2 CPU) 00:39:05 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:47 1.58 0.02 1.54 0.01 1.16 24.42 0.47 01:00:01 1.62 0.01 1.59 0.03 0.06 18.96 236.98 01:10:47 1.32 0.00 1.30 0.02 0.00 15.08 1.02 01:20:07 14.92 0.01 1.45 13.46 0.17 16.99 116979.55 01:30:01 1.77 0.00 1.73 0.04 0.00 76.87 441.07 01:40:47 1.42 0.00 1.40 0.02 0.00 16.34 0.12 01:50:33 4.08 1.38 2.63 0.06 100.51 253.23 3.78 02:00:01 25.20 1.60 21.16 2.44 135.19 3690.00 1263.54 Average: 6.21 0.36 3.96 1.88 28.47 489.01 13884.08 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:47 6281452 7530252 290516 3.57 30160 1424876 584184 6.36 450164 1179564 124 01:00:01 6279748 7529084 291512 3.58 30356 1425180 584184 6.36 450236 1180064 124 01:10:47 6275120 7525028 295592 3.63 30576 1425536 584948 6.37 451508 1180632 144 01:20:07 6275120 7525580 294988 3.63 30764 1425880 585156 6.37 452148 1181136 172 01:30:01 6244224 7512412 307772 3.78 31008 1443108 729604 7.95 452908 1198488 236 01:40:47 6259384 7528156 292060 3.59 31224 1443472 729668 7.95 453236 1199068 124 01:50:33 5949344 7367596 444264 5.46 43104 1573964 850112 9.26 598080 1328608 62568 02:00:01 5104632 7358504 389112 4.78 87060 2324892 858984 9.36 613292 2090692 240 Average: 6083628 7484576 325727 4.01 39282 1560864 688355 7.50 490196 1317282 7966 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:47 ens3 2.78 0.13 0.47 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.54 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:10:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:47 ens3 0.40 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.62 0.13 0.20 0.11 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 1.03 0.67 3.32 0.68 0.00 0.00 0.00 0.00 01:40:47 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:47 ens3 0.42 0.12 0.14 0.08 0.00 0.00 0.00 0.00 01:50:33 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:50:33 ens3 20.46 11.53 88.54 4.50 0.00 0.00 0.00 0.00 02:00:01 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 02:00:01 ens3 65.45 52.00 284.82 11.56 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 10.99 7.71 45.08 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36759) 07/18/26 _x86_64_ (2 CPU) 00:39:05 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:47 all 0.31 0.00 0.10 0.04 0.02 99.53 00:50:47 0 0.47 0.00 0.07 0.02 0.02 99.42 00:50:47 1 0.15 0.00 0.12 0.05 0.03 99.65 01:00:01 all 0.28 0.00 0.19 0.02 0.02 99.49 01:00:01 0 0.46 0.00 0.17 0.02 0.02 99.33 01:00:01 1 0.10 0.00 0.20 0.03 0.03 99.64 01:10:47 all 0.30 0.00 0.07 0.05 0.02 99.56 01:10:47 0 0.38 0.00 0.05 0.07 0.02 99.48 01:10:47 1 0.21 0.00 0.09 0.03 0.02 99.64 01:20:07 all 0.27 0.00 0.09 0.10 0.03 99.52 01:20:07 0 0.11 0.00 0.11 0.18 0.03 99.57 01:20:07 1 0.43 0.00 0.07 0.01 0.02 99.47 01:30:01 all 0.38 0.00 0.17 0.06 0.02 99.37 01:30:01 0 0.42 0.00 0.17 0.01 0.02 99.38 01:30:01 1 0.34 0.00 0.17 0.11 0.02 99.37 01:40:47 all 0.27 0.00 0.07 0.03 0.02 99.61 01:40:47 0 0.27 0.00 0.07 0.01 0.02 99.63 01:40:47 1 0.27 0.00 0.07 0.06 0.02 99.59 01:50:33 all 1.75 0.00 0.31 0.54 0.03 97.37 01:50:33 0 1.98 0.00 0.32 0.08 0.02 97.60 01:50:33 1 1.52 0.00 0.30 0.99 0.04 97.15 02:00:01 all 16.90 0.00 1.86 2.42 0.06 78.76 02:00:01 0 19.64 0.00 2.08 2.79 0.06 75.42 02:00:01 1 14.16 0.00 1.65 2.04 0.06 82.10 Average: all 2.44 0.00 0.34 0.39 0.03 96.80 Average: 0 2.83 0.00 0.37 0.38 0.03 96.40 Average: 1 2.05 0.00 0.32 0.40 0.03 97.20