---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2855 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 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 788 5175 4 2266 7153 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:f5:9f:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81283sec preferred_lft 81283sec inet6 fe80::f816:3eff:fef5:9fb3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2855) 04/15/26 _x86_64_ (2 CPU) 00:41:25 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.43 0.01 1.40 0.03 0.05 17.85 872.75 01:10:01 1.16 0.00 1.15 0.02 0.00 14.50 1.21 01:20:05 1.16 0.00 1.14 0.02 0.01 14.26 1.08 01:30:05 1.40 0.00 1.38 0.03 0.00 17.55 437.10 01:40:11 14.33 0.35 1.53 12.45 41.97 73.18 108190.96 01:50:05 22.99 3.04 17.69 2.26 228.80 3200.27 620.76 02:00:05 1.57 0.00 1.55 0.02 0.35 72.76 0.23 Average: 6.28 0.48 3.67 2.13 38.50 483.09 15873.14 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6312052 7558960 261608 3.22 30732 1422028 528436 5.76 440480 1183460 216 01:10:01 6311800 7559244 261284 3.21 30940 1422348 528392 5.76 440512 1183988 128 01:20:05 6311296 7559276 261240 3.21 31128 1422688 528544 5.76 440868 1184516 216 01:30:05 6300972 7549496 271000 3.33 31332 1423016 528540 5.76 440720 1185048 192 01:40:11 6246044 7524568 295260 3.63 31708 1452236 528768 5.76 456940 1202552 156 01:50:05 5297896 7415080 356452 4.38 85060 2196368 641764 6.99 597472 1954920 244 02:00:05 5273212 7406396 365084 4.49 85220 2212228 644104 7.02 600312 1970816 248 Average: 6007610 7510431 295990 3.64 46589 1650130 561221 6.11 488186 1409329 200 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.68 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.39 0.04 0.09 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.45 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.28 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:40:11 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.72 0.42 3.16 0.60 0.00 0.00 0.00 0.00 01:50:05 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:05 ens3 79.38 56.33 305.43 12.60 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 45.42 42.30 10.35 5.84 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.09 14.11 45.22 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2855) 04/15/26 _x86_64_ (2 CPU) 00:41:25 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.29 0.00 0.17 0.01 0.02 99.51 01:00:05 0 0.32 0.00 0.18 0.01 0.02 99.48 01:00:05 1 0.26 0.00 0.16 0.02 0.02 99.54 01:10:01 all 0.24 0.00 0.07 0.02 0.02 99.65 01:10:01 0 0.43 0.00 0.05 0.03 0.01 99.48 01:10:01 1 0.06 0.00 0.09 0.01 0.02 99.81 01:20:05 all 0.25 0.00 0.07 0.01 0.02 99.65 01:20:05 0 0.45 0.00 0.05 0.02 0.01 99.46 01:20:05 1 0.06 0.00 0.08 0.00 0.02 99.83 01:30:05 all 0.26 0.00 0.17 0.01 0.02 99.54 01:30:05 0 0.31 0.00 0.14 0.01 0.02 99.52 01:30:05 1 0.22 0.00 0.19 0.01 0.02 99.56 01:40:11 all 0.42 0.00 0.13 0.05 0.02 99.38 01:40:11 0 0.59 0.00 0.12 0.03 0.01 99.25 01:40:11 1 0.25 0.00 0.15 0.06 0.02 99.52 01:50:05 all 14.04 0.00 1.89 0.62 0.06 83.40 01:50:05 0 16.71 0.00 2.07 0.68 0.06 80.49 01:50:05 1 11.39 0.00 1.71 0.55 0.06 86.29 02:00:05 all 6.28 0.00 0.66 0.03 0.06 92.98 02:00:05 0 5.00 0.00 0.61 0.02 0.05 94.32 02:00:05 1 7.56 0.00 0.70 0.04 0.06 91.63 Average: all 3.08 0.00 0.45 0.11 0.03 96.34 Average: 0 3.36 0.00 0.45 0.11 0.03 96.05 Average: 1 2.80 0.00 0.44 0.10 0.03 96.63