---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12855 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 8.0G 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 792 5154 4 2284 7149 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:1b:39:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80421sec preferred_lft 80421sec inet6 fe80::f816:3eff:fe1b:3980/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12855) 05/12/26 _x86_64_ (2 CPU) 02:19:46 LINUX RESTART (2 CPU) 02:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:05 4.74 2.41 2.28 0.05 380.30 160.65 432.90 02:40:11 1.47 0.01 1.46 0.01 0.05 17.01 0.65 02:50:01 1.32 0.00 1.30 0.02 0.00 15.42 1.23 03:00:21 1.67 0.00 1.64 0.03 0.00 20.09 422.97 03:10:11 1.41 0.00 1.40 0.02 0.00 16.71 1.22 03:20:01 1.33 0.00 1.31 0.02 0.01 15.76 1.10 03:30:11 1.53 0.00 1.50 0.03 0.00 18.45 429.88 03:40:21 22.50 2.97 17.33 2.20 223.77 3125.16 592.96 03:50:01 15.57 0.01 1.64 13.92 0.51 72.95 110419.59 Average: 5.72 0.61 3.35 1.76 67.96 390.32 12069.84 02:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:05 6230404 7507680 312444 3.84 30780 1451752 722820 7.87 460560 1204104 292 02:40:11 6258212 7536104 284228 3.49 30976 1452160 528648 5.76 455324 1204628 132 02:50:01 6257512 7535928 284400 3.50 31172 1452484 528656 5.76 455324 1205148 128 03:00:21 6265728 7544744 275560 3.39 31440 1452800 528656 5.76 455520 1205732 124 03:10:11 6263252 7542816 277476 3.41 31644 1453140 528680 5.76 455564 1206272 184 03:20:01 6263252 7543484 276808 3.40 31844 1453596 528680 5.76 455652 1206804 240 03:30:11 6263552 7544344 275896 3.39 32060 1453920 530664 5.78 452512 1207344 240 03:40:21 5284196 7412028 359908 4.43 85532 2206200 634916 6.92 600460 1967668 1056 03:50:01 5265132 7407696 363944 4.48 85748 2220720 645940 7.04 603144 1982264 260 Average: 6039027 7508314 301185 3.70 43466 1621864 575296 6.27 488229 1376663 295 02:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:05 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 12.02 5.43 38.12 1.70 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 0.51 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.46 0.05 2.26 0.03 0.00 0.00 0.00 0.00 03:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:21 ens3 0.54 0.10 0.73 0.06 0.00 0.00 0.00 0.00 03:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.13 0.02 0.03 0.01 0.00 0.00 0.00 0.00 03:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:11 ens3 0.38 0.13 0.13 0.08 0.00 0.00 0.00 0.00 03:40:21 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:40:21 ens3 76.72 53.58 300.44 12.86 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 41.77 37.34 9.47 5.28 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.74 10.71 39.58 2.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12855) 05/12/26 _x86_64_ (2 CPU) 02:19:46 LINUX RESTART (2 CPU) 02:20:00 CPU %user %nice %system %iowait %steal %idle 02:30:05 all 0.68 0.00 0.35 0.07 0.02 98.88 02:30:05 0 0.69 0.00 0.35 0.06 0.02 98.87 02:30:05 1 0.67 0.00 0.34 0.07 0.03 98.89 02:40:11 all 0.27 0.00 0.08 0.01 0.02 99.62 02:40:11 0 0.07 0.00 0.09 0.01 0.02 99.81 02:40:11 1 0.47 0.00 0.08 0.01 0.02 99.42 02:50:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:50:01 0 0.21 0.00 0.08 0.01 0.02 99.68 02:50:01 1 0.29 0.00 0.07 0.02 0.02 99.60 03:00:21 all 0.27 0.00 0.17 0.01 0.02 99.52 03:00:21 0 0.09 0.00 0.17 0.01 0.02 99.70 03:00:21 1 0.46 0.00 0.16 0.02 0.02 99.35 03:10:11 all 0.26 0.00 0.08 0.01 0.02 99.62 03:10:11 0 0.12 0.00 0.09 0.01 0.03 99.75 03:10:11 1 0.41 0.00 0.06 0.01 0.02 99.50 03:20:01 all 0.28 0.00 0.07 0.01 0.02 99.62 03:20:01 0 0.40 0.00 0.06 0.01 0.02 99.50 03:20:01 1 0.15 0.00 0.09 0.00 0.03 99.73 03:30:11 all 0.30 0.00 0.16 0.01 0.02 99.50 03:30:11 0 0.26 0.00 0.16 0.01 0.02 99.55 03:30:11 1 0.35 0.00 0.16 0.01 0.02 99.45 03:40:21 all 12.92 0.00 1.80 0.56 0.06 84.67 03:40:21 0 12.50 0.00 1.74 0.48 0.06 85.22 03:40:21 1 13.34 0.00 1.85 0.63 0.06 84.12 03:50:01 all 6.28 0.00 0.60 0.04 0.05 93.04 03:50:01 0 7.83 0.00 0.68 0.05 0.06 91.38 03:50:01 1 4.74 0.00 0.52 0.02 0.05 94.68 Average: all 2.38 0.00 0.38 0.08 0.03 97.13 Average: 0 2.44 0.00 0.38 0.07 0.03 97.07 Average: 1 2.32 0.00 0.37 0.09 0.03 97.19