---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32744 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 756 5210 4 2266 7185 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:13:9a:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80622sec preferred_lft 80622sec inet6 fe80::f816:3eff:fe13:9ac9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32744) 07/04/26 _x86_64_ (2 CPU) 00:41:08 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:26 1.42 0.01 1.40 0.01 0.05 17.69 627.45 01:10:46 1.17 0.00 1.17 0.00 0.00 14.26 0.00 01:20:01 1.19 0.00 1.19 0.00 0.01 14.28 0.13 01:30:16 1.86 0.25 1.59 0.02 30.22 75.25 425.19 01:40:46 4.95 1.31 3.54 0.11 95.25 381.28 4.97 01:50:01 21.62 1.76 17.46 2.40 137.73 3380.03 1551.01 02:00:56 13.90 0.00 1.50 12.39 0.13 18.92 97630.08 02:10:16 1.37 0.00 1.35 0.02 0.00 16.43 1.16 Average: 5.90 0.41 3.51 1.98 32.23 459.62 13587.24 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:26 6298804 7546504 274244 3.37 30700 1422676 534944 5.83 443140 1183640 164 01:10:46 6297656 7545832 274936 3.38 30852 1423004 535144 5.83 443188 1184112 176 01:20:01 6296900 7545540 275228 3.38 31004 1423300 535276 5.83 443664 1184568 124 01:30:16 6261500 7537340 282800 3.48 31360 1449756 734576 8.00 458656 1202616 124 01:40:46 5843508 7360104 447140 5.50 49100 1661864 865980 9.43 623428 1419008 117256 01:50:01 5211920 7411976 355368 4.37 86700 2273512 829508 9.03 594336 2036024 156 02:00:56 5202164 7402788 364324 4.48 86864 2273936 829572 9.04 594440 2036576 148 02:10:16 5201660 7402824 364332 4.48 87044 2274288 829572 9.04 594536 2037116 164 Average: 5826764 7469114 329796 4.06 54203 1775292 711822 7.75 524424 1535458 14789 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 0.60 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:46 ens3 0.76 0.08 3.54 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.66 0.16 0.71 0.11 0.00 0.00 0.00 0.00 01:30:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.69 0.37 3.16 0.60 0.00 0.00 0.00 0.00 01:40:46 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:46 ens3 24.02 15.14 126.25 4.56 0.00 0.00 0.00 0.00 01:50:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 46.00 34.25 199.39 7.26 0.00 0.00 0.00 0.00 02:00:56 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:56 ens3 1.67 0.25 0.24 0.07 0.00 0.00 0.00 0.00 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.64 0.18 0.09 0.03 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 9.09 6.07 40.51 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32744) 07/04/26 _x86_64_ (2 CPU) 00:41:08 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:26 all 0.30 0.00 0.15 0.01 0.04 99.50 01:00:26 0 0.50 0.00 0.14 0.02 0.03 99.31 01:00:26 1 0.10 0.00 0.17 0.00 0.05 99.68 01:10:46 all 0.23 0.00 0.07 0.01 0.04 99.65 01:10:46 0 0.41 0.00 0.05 0.01 0.03 99.51 01:10:46 1 0.06 0.00 0.09 0.01 0.05 99.79 01:20:01 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:01 0 0.43 0.00 0.05 0.01 0.03 99.48 01:20:01 1 0.08 0.00 0.09 0.01 0.05 99.77 01:30:16 all 0.39 0.00 0.18 0.02 0.04 99.37 01:30:16 0 0.30 0.00 0.18 0.03 0.04 99.45 01:30:16 1 0.47 0.00 0.18 0.01 0.04 99.29 01:40:46 all 2.16 0.00 0.36 0.17 0.04 97.27 01:40:46 0 1.58 0.00 0.27 0.28 0.03 97.84 01:40:46 1 2.74 0.00 0.45 0.06 0.05 96.71 01:50:01 all 10.26 0.00 1.52 0.41 0.07 87.73 01:50:01 0 6.31 0.00 1.27 0.44 0.08 91.90 01:50:01 1 14.22 0.00 1.76 0.39 0.07 83.57 02:00:56 all 0.40 0.00 0.21 0.03 0.08 99.28 02:00:56 0 0.31 0.00 0.25 0.05 0.10 99.29 02:00:56 1 0.49 0.00 0.17 0.01 0.06 99.27 02:10:16 all 0.34 0.00 0.12 0.02 0.07 99.45 02:10:16 0 0.42 0.00 0.06 0.00 0.04 99.48 02:10:16 1 0.26 0.00 0.17 0.04 0.11 99.42 Average: all 1.71 0.00 0.32 0.08 0.05 97.83 Average: 0 1.23 0.00 0.28 0.10 0.05 98.34 Average: 1 2.18 0.00 0.37 0.06 0.06 97.32