---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53876 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 770 5070 4 2397 7171 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:ea:ab:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79500sec preferred_lft 79500sec inet6 fe80::f816:3eff:feea:ab8f/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-53876) 03/29/26 _x86_64_ (2 CPU) 00:11:45 LINUX RESTART (2 CPU) 00:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:04 1.50 0.01 1.46 0.03 0.05 22.51 0.97 00:40:04 1.14 0.00 1.14 0.00 0.00 17.17 0.00 00:50:04 1.85 0.32 1.52 0.02 39.01 75.44 0.21 01:00:04 1.62 0.01 1.59 0.03 1.05 23.44 0.28 01:10:04 14.76 0.00 1.33 13.43 0.15 20.88 106788.67 01:20:04 1.33 0.00 1.33 0.00 0.00 20.37 0.00 01:30:04 1.48 0.00 1.46 0.02 0.00 24.61 0.24 01:40:04 1.26 0.00 1.26 0.00 0.00 18.75 0.00 01:50:04 1.50 0.00 1.49 0.01 0.00 21.73 0.19 02:00:04 1.52 0.00 1.50 0.02 0.00 22.24 0.23 Average: 2.80 0.03 1.41 1.36 4.03 26.71 10679.24 00:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:04 5325464 7409092 363268 4.47 84760 2163404 610916 6.65 584400 1932892 316 00:40:04 5324204 7408992 363356 4.47 84884 2164456 612352 6.67 586060 1934052 248 00:50:04 5252496 7366516 405408 4.99 85176 2193272 819064 8.92 603920 1952112 220 01:00:04 5270688 7386488 385704 4.74 85348 2194872 613504 6.68 598776 1953572 216 01:10:04 5270440 7388300 383820 4.72 85504 2196780 614528 6.69 600048 1955472 328 01:20:04 5270440 7390204 381920 4.70 85628 2198552 614528 6.69 600164 1957376 352 01:30:04 5260680 7382580 389532 4.79 85800 2200516 614588 6.69 600128 1959504 308 01:40:04 5268240 7391556 380568 4.68 85972 2201760 614588 6.69 600212 1960928 180 01:50:04 5267528 7392384 379648 4.67 86160 2203136 614612 6.69 600340 1962468 272 02:00:04 5264508 7390924 381124 4.69 86332 2204496 614612 6.69 600376 1963896 212 Average: 5277469 7390704 381435 4.69 85556 2192124 634329 6.91 597442 1953227 265 00:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 0.86 0.21 0.14 0.08 0.00 0.00 0.00 0.00 00:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:04 ens3 0.70 0.19 0.20 0.12 0.00 0.00 0.00 0.00 00:50:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 0.71 0.32 3.12 0.08 0.00 0.00 0.00 0.00 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 2.53 0.33 0.58 0.26 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 1.65 0.08 0.17 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.77 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.68 0.10 3.43 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.57 0.12 0.13 0.08 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.54 0.19 0.11 0.07 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.49 0.20 0.11 0.07 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.95 0.19 0.81 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53876) 03/29/26 _x86_64_ (2 CPU) 00:11:45 LINUX RESTART (2 CPU) 00:20:04 CPU %user %nice %system %iowait %steal %idle 00:30:04 all 0.67 0.00 0.23 0.01 0.06 99.03 00:30:04 0 0.57 0.00 0.22 0.01 0.05 99.15 00:30:04 1 0.77 0.00 0.24 0.01 0.07 98.92 00:40:04 all 0.57 0.00 0.11 0.01 0.06 99.26 00:40:04 0 0.62 0.00 0.10 0.01 0.05 99.23 00:40:04 1 0.52 0.00 0.12 0.01 0.06 99.29 00:50:04 all 0.71 0.00 0.15 0.02 0.06 99.06 00:50:04 0 0.73 0.00 0.15 0.04 0.06 99.02 00:50:04 1 0.68 0.00 0.16 0.01 0.05 99.10 01:00:04 all 0.70 0.00 0.22 0.01 0.06 99.02 01:00:04 0 0.74 0.00 0.24 0.01 0.07 98.93 01:00:04 1 0.65 0.00 0.19 0.00 0.05 99.11 01:10:04 all 0.67 0.00 0.14 0.03 0.05 99.12 01:10:04 0 0.47 0.00 0.10 0.01 0.03 99.39 01:10:04 1 0.86 0.00 0.17 0.05 0.07 98.85 01:20:04 all 0.69 0.00 0.13 0.01 0.04 99.13 01:20:04 0 0.68 0.00 0.11 0.01 0.04 99.16 01:20:04 1 0.70 0.00 0.15 0.00 0.05 99.10 01:30:04 all 0.71 0.00 0.21 0.01 0.05 99.02 01:30:04 0 0.54 0.00 0.19 0.01 0.04 99.22 01:30:04 1 0.87 0.00 0.23 0.01 0.07 98.83 01:40:04 all 0.62 0.00 0.12 0.01 0.06 99.20 01:40:04 0 0.54 0.00 0.08 0.01 0.04 99.33 01:40:04 1 0.70 0.00 0.15 0.00 0.08 99.07 01:50:04 all 0.70 0.00 0.13 0.02 0.05 99.11 01:50:04 0 0.63 0.00 0.10 0.02 0.04 99.20 01:50:04 1 0.76 0.00 0.16 0.01 0.06 99.01 02:00:04 all 0.65 0.00 0.23 0.01 0.03 99.08 02:00:04 0 0.57 0.00 0.19 0.01 0.02 99.21 02:00:04 1 0.73 0.00 0.28 0.01 0.04 98.95 Average: all 0.67 0.00 0.17 0.01 0.05 99.10 Average: 0 0.61 0.00 0.15 0.01 0.04 99.18 Average: 1 0.72 0.00 0.18 0.01 0.06 99.02