---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32251 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 744 5224 4 2265 7197 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:11:87:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80501sec preferred_lft 80501sec inet6 fe80::f816:3eff:fe11:87f7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32251) 07/02/26 _x86_64_ (2 CPU) 01:59:21 LINUX RESTART (2 CPU) 02:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 2.09 0.29 1.78 0.03 32.66 79.77 220.45 02:20:11 1.35 0.01 1.33 0.01 1.11 16.30 0.53 02:30:11 1.52 0.00 1.51 0.01 0.00 17.99 435.86 02:40:11 1.27 0.00 1.27 0.00 0.00 14.80 0.00 02:50:12 1.41 0.00 1.41 0.00 0.00 16.28 0.00 03:00:13 14.46 0.25 1.67 12.54 8.81 38.76 109373.37 03:10:12 24.83 2.76 19.75 2.32 218.99 3474.07 1387.09 03:20:14 1.27 0.00 1.27 0.00 0.00 15.16 0.00 03:30:15 1.45 0.00 1.43 0.02 0.00 17.88 0.55 Average: 5.51 0.37 3.49 1.66 28.99 409.35 12386.43 02:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6251752 7524388 295432 3.63 30740 1447408 726600 7.91 456932 1200628 188 02:20:11 6270036 7543524 276320 3.40 30936 1448052 527964 5.75 451700 1201156 132 02:30:11 6270148 7544184 275616 3.39 31120 1448372 527964 5.75 451708 1201660 132 02:40:11 6270148 7544684 275104 3.38 31280 1448704 528208 5.75 451860 1202152 176 02:50:12 6269896 7544924 274856 3.38 31436 1449036 528200 5.75 451956 1202640 124 03:00:13 6251728 7535904 283724 3.49 31664 1457856 535724 5.84 465504 1210732 100 03:10:12 5214648 7413892 353020 4.34 86816 2272748 622324 6.78 583128 2036016 144 03:20:14 5215908 7415644 351268 4.32 86952 2273104 622324 6.78 583208 2036508 124 03:30:15 5204664 7404888 361896 4.45 87088 2273456 622420 6.78 583520 2036996 124 Average: 5913214 7496892 305248 3.75 49781 1724304 582414 6.34 497724 1480943 138 02:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.67 0.25 3.39 0.03 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.37 0.04 0.11 0.01 0.00 0.00 0.00 0.00 02:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.23 0.03 0.05 0.01 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 0.32 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.26 0.08 0.07 0.04 0.00 0.00 0.00 0.00 03:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:13 ens3 4.33 2.21 11.64 1.36 0.00 0.00 0.00 0.00 03:10:12 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:12 ens3 61.24 42.20 305.63 10.33 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 0.96 0.17 0.12 0.03 0.00 0.00 0.00 0.00 03:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:15 ens3 0.47 0.26 0.13 0.07 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 7.75 5.02 35.63 1.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32251) 07/02/26 _x86_64_ (2 CPU) 01:59:21 LINUX RESTART (2 CPU) 02:00:10 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.41 0.00 0.18 0.04 0.03 99.34 02:10:05 0 0.27 0.00 0.23 0.03 0.03 99.44 02:10:05 1 0.54 0.00 0.14 0.06 0.02 99.24 02:20:11 all 0.27 0.00 0.07 0.02 0.02 99.62 02:20:11 0 0.46 0.00 0.07 0.01 0.02 99.44 02:20:11 1 0.07 0.00 0.08 0.02 0.02 99.80 02:30:11 all 0.26 0.00 0.15 0.01 0.03 99.55 02:30:11 0 0.34 0.00 0.15 0.01 0.03 99.49 02:30:11 1 0.18 0.00 0.16 0.02 0.03 99.62 02:40:11 all 0.25 0.00 0.07 0.01 0.02 99.65 02:40:11 0 0.44 0.00 0.06 0.02 0.02 99.47 02:40:11 1 0.05 0.00 0.09 0.00 0.03 99.83 02:50:12 all 0.25 0.00 0.07 0.01 0.02 99.65 02:50:12 0 0.43 0.00 0.05 0.02 0.02 99.48 02:50:12 1 0.06 0.00 0.09 0.01 0.02 99.82 03:00:13 all 0.44 0.00 0.19 0.29 0.02 99.06 03:00:13 0 0.45 0.00 0.19 0.50 0.02 98.85 03:00:13 1 0.44 0.00 0.19 0.09 0.02 99.26 03:10:12 all 12.28 0.00 1.78 1.44 0.06 84.44 03:10:12 0 12.87 0.00 1.96 2.34 0.06 82.77 03:10:12 1 11.69 0.00 1.61 0.53 0.06 86.10 03:20:14 all 0.40 0.00 0.14 0.01 0.03 99.43 03:20:14 0 0.40 0.00 0.15 0.01 0.04 99.41 03:20:14 1 0.39 0.00 0.13 0.01 0.03 99.44 03:30:15 all 0.43 0.00 0.22 0.01 0.03 99.30 03:30:15 0 0.41 0.00 0.24 0.02 0.03 99.29 03:30:15 1 0.45 0.00 0.21 0.01 0.04 99.30 Average: all 1.66 0.00 0.32 0.20 0.03 97.79 Average: 0 1.78 0.00 0.34 0.33 0.03 97.52 Average: 1 1.54 0.00 0.30 0.08 0.03 98.05