---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66574 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 818 4972 4 2456 7123 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:da:42:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79538sec preferred_lft 79538sec inet6 fe80::f816:3eff:feda:428c/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-66574) 04/05/26 _x86_64_ (2 CPU) 00:21:40 LINUX RESTART (2 CPU) 00:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 1.34 0.01 1.29 0.04 0.05 20.40 1.41 00:50:01 14.87 0.00 1.41 13.46 0.15 19.93 106831.34 01:00:05 1.53 0.00 1.50 0.03 0.00 22.74 0.36 01:10:01 1.99 0.32 1.65 0.02 40.30 78.26 0.23 01:20:01 15.53 13.53 1.95 0.05 149.81 49.72 365.21 01:30:05 1.54 0.00 1.52 0.02 0.00 25.89 0.23 01:40:01 1.30 0.00 1.30 0.00 0.00 20.54 0.00 01:50:01 1.26 0.00 1.26 0.00 0.00 19.15 0.00 02:00:05 1.61 0.00 1.60 0.02 0.00 24.42 0.23 02:10:01 1.17 0.00 1.17 0.00 0.00 18.62 0.00 Average: 4.22 1.39 1.47 1.36 19.02 29.95 10728.96 00:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 5303628 7382648 389540 4.79 84688 2159108 641836 6.99 609872 1929320 132 00:50:01 5311528 7391852 380364 4.68 84888 2160212 642996 7.00 610728 1930596 156 01:00:05 5306656 7388404 383764 4.72 85056 2161468 643132 7.00 611704 1932020 288 01:10:01 5249916 7361236 410712 5.05 85332 2190684 643332 7.01 623220 1950136 188 01:20:01 5199460 7368348 394768 4.85 88516 2236836 645404 7.03 625500 1998732 296 01:30:05 5193188 7364388 398644 4.90 88672 2238952 645404 7.03 625412 2001008 180 01:40:01 5192476 7365448 397580 4.89 88828 2240576 645404 7.03 625304 2002780 340 01:50:01 5192224 7366576 396496 4.88 88956 2241820 645468 7.03 625468 2004160 276 02:00:05 5191768 7367660 395348 4.86 89088 2243204 645596 7.03 625552 2005676 196 02:10:01 5191768 7369120 393904 4.84 89224 2244508 645596 7.03 625564 2007116 200 Average: 5233261 7372568 394112 4.85 87325 2211737 644417 7.02 620832 1976154 225 00:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 1.96 0.28 0.37 0.15 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.96 0.16 0.31 0.10 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.83 0.13 0.12 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.90 0.29 3.16 0.07 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 0.55 0.15 0.14 0.08 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 0.59 0.12 0.11 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.49 0.14 0.13 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.50 0.11 0.11 0.05 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 2.60 0.45 0.60 0.29 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.91 0.23 0.23 0.06 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 1.23 0.20 0.53 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66574) 04/05/26 _x86_64_ (2 CPU) 00:21:40 LINUX RESTART (2 CPU) 00:30:05 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 0.65 0.00 0.12 0.01 0.05 99.17 00:40:01 0 0.75 0.00 0.15 0.01 0.06 99.04 00:40:01 1 0.55 0.00 0.10 0.02 0.03 99.31 00:50:01 all 0.58 0.00 0.14 0.03 0.04 99.21 00:50:01 0 0.62 0.00 0.18 0.05 0.05 99.10 00:50:01 1 0.54 0.00 0.10 0.01 0.03 99.31 01:00:05 all 0.67 0.00 0.22 0.02 0.05 99.03 01:00:05 0 0.67 0.00 0.24 0.01 0.05 99.02 01:00:05 1 0.67 0.00 0.20 0.03 0.05 99.04 01:10:01 all 0.79 0.00 0.16 0.02 0.04 99.00 01:10:01 0 0.92 0.00 0.16 0.02 0.03 98.88 01:10:01 1 0.65 0.00 0.17 0.02 0.04 99.12 01:20:01 all 0.72 0.17 0.18 0.13 0.04 98.77 01:20:01 0 0.75 0.09 0.15 0.10 0.04 98.87 01:20:01 1 0.68 0.25 0.21 0.16 0.04 98.66 01:30:05 all 0.75 0.00 0.20 0.03 0.04 98.98 01:30:05 0 0.71 0.00 0.21 0.05 0.04 99.00 01:30:05 1 0.79 0.00 0.20 0.01 0.03 98.97 01:40:01 all 0.65 0.00 0.12 0.04 0.04 99.16 01:40:01 0 0.69 0.00 0.11 0.02 0.04 99.15 01:40:01 1 0.61 0.00 0.13 0.05 0.04 99.17 01:50:01 all 0.63 0.00 0.11 0.03 0.04 99.18 01:50:01 0 0.70 0.00 0.14 0.02 0.06 99.08 01:50:01 1 0.55 0.00 0.08 0.05 0.03 99.29 02:00:05 all 0.67 0.00 0.22 0.06 0.04 99.01 02:00:05 0 0.84 0.00 0.25 0.05 0.06 98.80 02:00:05 1 0.50 0.00 0.20 0.06 0.03 99.22 02:10:01 all 0.64 0.00 0.12 0.02 0.04 99.17 02:10:01 0 0.79 0.00 0.18 0.03 0.06 98.94 02:10:01 1 0.49 0.00 0.07 0.02 0.02 99.39 Average: all 0.67 0.02 0.16 0.04 0.04 99.07 Average: 0 0.74 0.01 0.17 0.04 0.05 98.99 Average: 1 0.61 0.02 0.15 0.04 0.03 99.15