---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2382 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: 5600.00 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 762 5293 4 2175 7179 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:cc:11:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.129/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80705sec preferred_lft 80705sec inet6 fe80::f816:3eff:fecc:11a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2382) 04/13/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.60 0.01 1.57 0.02 0.06 18.31 459.77 01:10:40 13.25 0.00 1.45 11.79 0.14 16.84 102578.19 01:20:40 1.39 0.00 1.37 0.02 0.01 16.11 1.20 01:30:00 2.13 0.34 1.75 0.04 41.80 79.30 468.13 01:40:30 4.22 1.29 2.83 0.10 92.84 275.51 3.87 01:50:50 18.53 1.62 14.84 2.07 126.50 2772.69 522.75 02:00:01 1.49 0.00 1.47 0.02 0.00 18.08 0.77 02:10:00 1.25 0.00 1.25 0.00 0.00 15.09 0.00 Average: 5.69 0.42 3.39 1.87 33.65 416.77 13915.71 00:50:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6297824 7544840 276100 3.40 30712 1422192 518812 5.65 442656 1183408 124 01:10:40 6296900 7544548 276188 3.40 30928 1422604 518844 5.65 442904 1184008 124 01:20:40 6298456 7546644 274076 3.37 31132 1422932 519056 5.65 443192 1184540 124 01:30:00 6244012 7521056 298900 3.68 31548 1450960 717836 7.82 461304 1201920 124 01:40:30 5908612 7357784 451844 5.56 46064 1599796 854872 9.31 620476 1352548 75684 01:50:50 5287108 7397064 374740 4.61 85336 2188920 841160 9.16 615968 1947984 124 02:00:01 5279256 7389644 382092 4.70 85456 2189244 841160 9.16 616048 1948424 276 02:10:00 5279256 7390128 381668 4.69 85580 2189600 842184 9.17 616228 1948908 156 Average: 5861428 7461464 339451 4.17 53344 1735781 706740 7.70 532347 1493968 9592 00:50:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.66 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:40 ens3 0.56 0.08 5.40 0.04 0.00 0.00 0.00 0.00 01:20:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:40 ens3 0.62 0.11 0.41 0.07 0.00 0.00 0.00 0.00 01:30:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.64 0.37 3.32 0.56 0.00 0.00 0.00 0.00 01:40:30 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:40:30 ens3 20.80 13.40 88.95 4.43 0.00 0.00 0.00 0.00 01:50:50 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 01:50:50 ens3 42.09 29.17 199.36 6.46 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.96 0.22 0.14 0.05 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.64 0.18 0.11 0.05 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 8.72 5.69 38.88 1.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2382) 04/13/26 _x86_64_ (2 CPU) 00:42:03 LINUX RESTART (2 CPU) 00:50:31 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.00 0.16 0.01 0.04 99.49 01:00:01 0 0.52 0.00 0.13 0.02 0.03 99.31 01:00:01 1 0.08 0.00 0.20 0.00 0.05 99.67 01:10:40 all 0.26 0.00 0.08 0.03 0.04 99.59 01:10:40 0 0.27 0.00 0.09 0.04 0.04 99.56 01:10:40 1 0.26 0.00 0.07 0.01 0.04 99.62 01:20:40 all 0.25 0.00 0.07 0.01 0.04 99.62 01:20:40 0 0.39 0.00 0.07 0.00 0.04 99.51 01:20:40 1 0.12 0.00 0.08 0.02 0.05 99.74 01:30:00 all 0.38 0.00 0.18 0.03 0.04 99.37 01:30:00 0 0.33 0.00 0.17 0.01 0.03 99.46 01:30:00 1 0.44 0.00 0.20 0.04 0.04 99.28 01:40:30 all 1.84 0.00 0.32 0.11 0.04 97.69 01:40:30 0 2.23 0.00 0.36 0.14 0.04 97.23 01:40:30 1 1.45 0.00 0.28 0.07 0.04 98.16 01:50:50 all 9.01 0.00 1.38 0.38 0.07 89.16 01:50:50 0 12.94 0.00 1.71 0.53 0.07 84.74 01:50:50 1 5.08 0.00 1.05 0.23 0.07 93.58 02:00:01 all 0.41 0.00 0.22 0.01 0.08 99.29 02:00:01 0 0.31 0.00 0.28 0.00 0.11 99.30 02:00:01 1 0.51 0.00 0.17 0.01 0.04 99.27 02:10:00 all 0.38 0.00 0.12 0.01 0.07 99.42 02:10:00 0 0.44 0.00 0.11 0.00 0.06 99.38 02:10:00 1 0.32 0.00 0.14 0.01 0.08 99.45 Average: all 1.66 0.00 0.32 0.08 0.05 97.89 Average: 0 2.25 0.00 0.37 0.10 0.05 97.23 Average: 1 1.06 0.00 0.28 0.05 0.05 98.56