---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15885 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 773 5055 4 2409 7168 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:f9:d0:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79518sec preferred_lft 79518sec inet6 fe80::f816:3eff:fef9:d076/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15885) 05/17/26 _x86_64_ (2 CPU) 00:15:51 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 11.20 1.41 8.50 1.30 113.95 1128.34 322.62 00:40:01 1.28 0.01 1.27 0.00 0.05 18.57 0.12 00:50:02 1.84 0.26 1.57 0.02 31.94 77.49 0.28 01:00:03 1.48 0.00 1.46 0.02 0.00 21.89 0.23 01:10:04 1.28 0.00 1.26 0.02 0.00 19.14 0.53 01:20:04 1.45 0.00 1.41 0.05 0.00 24.48 1.31 01:30:04 1.78 0.00 1.66 0.12 0.00 26.89 2.97 01:40:03 1.50 0.00 1.41 0.09 0.00 21.69 2.32 01:50:03 14.88 0.00 1.40 13.47 0.15 20.85 106670.05 02:00:02 1.53 0.00 1.47 0.05 0.00 24.14 1.19 02:10:01 4.61 0.08 3.66 0.86 6.13 237.70 166.72 Average: 3.89 0.16 2.28 1.45 13.84 147.31 9744.55 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 5313836 7409908 362224 4.45 84744 2175588 596948 6.50 575484 1944724 232 00:40:01 5325892 7423068 348812 4.29 84884 2176580 599208 6.53 577828 1945828 168 00:50:02 5268140 7392896 378856 4.66 85176 2203752 599496 6.53 587060 1964240 236 01:00:03 5262980 7389152 382624 4.70 85316 2205012 599524 6.53 587932 1965644 232 01:10:04 5262884 7390524 381256 4.69 85496 2206300 599736 6.53 588148 1967112 252 01:20:04 5262884 7393024 378512 4.65 85724 2208576 656868 7.15 594804 1969480 288 01:30:04 5262924 7395084 376572 4.63 85960 2210344 601856 6.56 589864 1971492 296 01:40:03 5270512 7404408 367248 4.52 86168 2211872 601852 6.56 589980 1973228 184 01:50:03 5273052 7408468 363172 4.47 86356 2213204 601848 6.56 589812 1974720 300 02:00:02 5262480 7399556 372072 4.58 86564 2214644 601988 6.56 589872 1976360 280 02:10:01 5156996 7323156 447580 5.50 89024 2240536 655140 7.14 668244 2002976 20404 Average: 5265689 7393568 378084 4.65 85947 2206037 610406 6.65 594457 1968709 2079 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:30:00 ens3 6.73 5.07 35.51 1.53 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 2.03 0.17 0.36 0.13 0.00 0.00 0.00 0.00 00:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 1.23 0.35 3.24 0.09 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.46 0.12 0.09 0.05 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 0.53 0.14 0.12 0.06 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 0.53 0.13 0.14 0.08 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 0.44 0.13 0.12 0.07 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 3.38 0.28 0.60 0.19 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 1.17 0.09 0.12 0.03 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 0.73 0.24 0.13 0.09 0.00 0.00 0.00 0.00 02:10:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 8.85 5.74 10.28 9.28 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.37 1.13 4.61 1.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15885) 05/17/26 _x86_64_ (2 CPU) 00:15:51 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 5.58 0.00 0.93 0.17 0.05 93.26 00:30:00 0 6.17 0.00 1.01 0.11 0.07 92.65 00:30:00 1 5.00 0.00 0.86 0.23 0.04 93.87 00:40:01 all 0.55 0.00 0.13 0.01 0.05 99.26 00:40:01 0 0.53 0.00 0.14 0.01 0.05 99.27 00:40:01 1 0.58 0.00 0.12 0.01 0.05 99.24 00:50:02 all 0.72 0.00 0.15 0.02 0.05 99.06 00:50:02 0 0.67 0.00 0.12 0.02 0.04 99.15 00:50:02 1 0.78 0.00 0.17 0.02 0.05 98.98 01:00:03 all 0.64 0.00 0.21 0.01 0.05 99.08 01:00:03 0 0.68 0.00 0.21 0.01 0.06 99.04 01:00:03 1 0.61 0.00 0.22 0.01 0.05 99.11 01:10:04 all 0.60 0.00 0.12 0.01 0.05 99.21 01:10:04 0 0.70 0.00 0.13 0.01 0.06 99.09 01:10:04 1 0.50 0.00 0.11 0.01 0.04 99.34 01:20:04 all 0.73 0.00 0.13 0.01 0.05 99.07 01:20:04 0 0.75 0.00 0.13 0.02 0.06 99.04 01:20:04 1 0.72 0.00 0.13 0.01 0.05 99.10 01:30:04 all 0.71 0.00 0.22 0.01 0.05 99.01 01:30:04 0 0.65 0.00 0.19 0.01 0.04 99.11 01:30:04 1 0.76 0.00 0.25 0.01 0.06 98.92 01:40:03 all 0.66 0.00 0.12 0.01 0.05 99.15 01:40:03 0 0.77 0.00 0.12 0.01 0.05 99.05 01:40:03 1 0.56 0.00 0.12 0.02 0.05 99.25 01:50:03 all 0.66 0.00 0.14 0.03 0.04 99.13 01:50:03 0 0.75 0.00 0.17 0.05 0.05 98.98 01:50:03 1 0.56 0.00 0.11 0.01 0.03 99.28 02:00:02 all 0.78 0.00 0.24 0.02 0.03 98.93 02:00:02 0 0.79 0.00 0.27 0.01 0.04 98.90 02:00:02 1 0.78 0.00 0.21 0.03 0.02 98.97 02:10:01 all 3.90 0.00 0.43 0.08 0.04 95.56 02:10:01 0 1.85 0.00 0.32 0.11 0.04 97.67 02:10:01 1 5.94 0.00 0.53 0.05 0.03 93.45 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.41 0.00 0.26 0.03 0.05 98.25 Average: 0 1.30 0.00 0.26 0.03 0.05 98.36 Average: 1 1.52 0.00 0.26 0.04 0.04 98.14