---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65866 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 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 749 5300 4 2180 7192 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:fb:d6:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81262sec preferred_lft 81262sec inet6 fe80::f816:3eff:fefb:d6b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65866) 04/02/26 _x86_64_ (2 CPU) 00:43:50 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:06 1.50 0.03 1.45 0.02 2.20 18.28 653.83 01:10:06 13.79 0.00 1.23 12.56 0.15 14.72 109134.62 01:20:06 1.24 0.00 1.23 0.02 0.01 14.41 1.09 01:30:06 1.48 0.00 1.45 0.03 0.00 17.77 872.41 01:40:06 1.22 0.00 1.20 0.02 0.00 14.77 1.09 01:50:05 24.88 3.02 19.62 2.24 226.71 3124.87 504.28 02:00:06 1.67 0.01 1.64 0.02 0.57 36.48 0.25 Average: 6.53 0.44 3.97 2.13 32.74 462.13 15880.93 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:06 6233868 7510336 309320 3.80 30988 1450772 736864 8.03 464332 1200356 284 01:10:06 6247616 7524684 294948 3.63 31192 1451152 736864 8.03 464440 1200916 288 01:20:06 6254952 7532556 287076 3.53 31396 1451476 737080 8.03 464764 1201444 224 01:30:06 6230552 7508716 310848 3.82 31604 1451796 741204 8.07 471720 1201980 92 01:40:06 6254016 7532848 286740 3.53 31804 1452256 741228 8.07 472428 1202512 124 01:50:05 5343536 7452144 319140 3.92 85140 2187572 772376 8.41 562784 1946048 2688 02:00:06 5231212 7342252 429076 5.28 85296 2189936 866056 9.43 622344 1948552 204 Average: 5970822 7486219 319593 3.93 46774 1662137 761667 8.30 503259 1414544 558 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.62 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.60 0.05 1.75 0.03 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.61 0.09 0.78 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.38 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:50:05 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 01:50:05 ens3 50.26 37.20 297.42 10.97 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 12.63 8.78 37.38 1.31 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 9.33 6.61 48.15 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65866) 04/02/26 _x86_64_ (2 CPU) 00:43:50 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:06 all 0.29 0.00 0.18 0.03 0.02 99.48 01:00:06 0 0.44 0.00 0.17 0.02 0.02 99.35 01:00:06 1 0.13 0.00 0.19 0.04 0.03 99.61 01:10:06 all 0.24 0.00 0.10 0.13 0.02 99.50 01:10:06 0 0.17 0.00 0.11 0.13 0.02 99.56 01:10:06 1 0.32 0.00 0.08 0.13 0.03 99.44 01:20:06 all 0.24 0.00 0.07 0.02 0.03 99.63 01:20:06 0 0.26 0.00 0.07 0.02 0.03 99.62 01:20:06 1 0.22 0.00 0.08 0.02 0.03 99.65 01:30:06 all 0.26 0.00 0.17 0.02 0.03 99.52 01:30:06 0 0.24 0.00 0.18 0.01 0.03 99.55 01:30:06 1 0.29 0.00 0.16 0.03 0.03 99.48 01:40:06 all 0.24 0.00 0.08 0.21 0.02 99.45 01:40:06 0 0.06 0.00 0.09 0.34 0.02 99.49 01:40:06 1 0.42 0.00 0.07 0.09 0.02 99.41 01:50:05 all 11.35 0.00 1.73 2.10 0.06 84.76 01:50:05 0 12.88 0.00 1.85 2.01 0.07 83.18 01:50:05 1 9.83 0.00 1.61 2.19 0.05 86.33 02:00:06 all 1.01 0.00 0.30 0.39 0.05 98.24 02:00:06 0 0.90 0.00 0.27 0.67 0.05 98.11 02:00:06 1 1.12 0.00 0.34 0.11 0.05 98.38 Average: all 1.94 0.00 0.37 0.41 0.03 97.23 Average: 0 2.13 0.00 0.39 0.46 0.03 96.99 Average: 1 1.76 0.00 0.36 0.37 0.03 97.48