---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2884 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 8.0G 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 764 5185 4 2280 7177 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:c5:0c:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78687sec preferred_lft 78687sec inet6 fe80::f816:3eff:fec5:cd0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2884) 04/15/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.41 0.02 1.37 0.01 1.24 16.76 435.40 02:10:13 1.16 0.01 1.15 0.00 0.05 14.04 0.12 02:20:03 1.15 0.00 1.15 0.00 0.01 13.93 0.12 02:30:01 14.00 0.00 1.40 12.60 0.15 16.77 110096.29 02:40:13 2.08 0.31 1.76 0.01 39.24 73.62 0.25 02:50:13 1.36 0.00 1.36 0.00 0.00 15.49 0.00 03:00:01 22.87 3.10 17.49 2.28 233.12 3213.72 959.31 03:10:03 1.33 0.00 1.30 0.02 0.00 21.13 1.39 03:20:13 1.62 0.00 1.59 0.02 0.00 22.14 1.15 03:30:01 1.65 0.00 1.61 0.04 0.00 142.64 412.71 03:40:13 1.30 0.00 1.28 0.02 0.20 63.69 1.78 03:50:03 1.40 0.00 1.37 0.03 0.00 22.33 1.42 Average: 4.24 0.28 2.71 1.24 22.50 297.43 9279.96 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6288948 7535040 286004 3.52 30516 1421256 523088 5.70 443692 1182988 164 02:10:13 6296288 7542912 278128 3.42 30712 1421584 523096 5.70 443952 1183512 208 02:20:03 6297000 7544144 276888 3.40 30896 1421912 523244 5.70 443976 1184024 244 02:30:01 6301288 7548988 271920 3.34 31064 1422280 523236 5.70 443964 1184532 160 02:40:13 6253872 7530864 289572 3.56 31448 1450824 523244 5.70 455628 1201948 180 02:50:13 6261460 7538948 281500 3.46 31604 1451148 523308 5.70 456052 1202436 156 03:00:01 5287752 7399180 372924 4.59 84956 2190544 622492 6.78 594832 1949628 128 03:10:03 5154368 7267960 504128 6.20 85140 2192532 631356 6.88 595556 1951792 500 03:20:13 5258536 7373304 398796 4.90 85300 2193544 650952 7.09 615348 1952972 36 03:30:01 5218592 7369956 402032 4.94 85476 2229888 638756 6.96 602900 1989372 164 03:40:13 5169696 7336472 435312 5.35 85668 2244896 687328 7.49 650736 2004564 220 03:50:03 5146256 7315196 456588 5.61 85816 2246884 687336 7.49 650784 2006700 276 Average: 5744505 7441914 354483 4.36 58216 1823941 588120 6.41 533118 1582872 203 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.13 0.08 0.13 0.03 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 0.41 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.78 0.03 4.58 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.47 0.22 3.03 0.05 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 0.24 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.10 0.10 0.00 0.00 0.00 0.00 03:00:01 ens3 69.05 48.45 418.83 11.93 0.00 0.00 0.00 0.00 03:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:03 ens3 16.10 14.89 167.38 1.27 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 3.32 2.86 5.00 0.47 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 20.58 16.08 160.63 1.73 0.00 0.00 0.00 0.00 03:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:13 ens3 8.97 8.42 66.37 1.26 0.00 0.00 0.00 0.00 03:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:03 ens3 19.15 18.65 225.16 1.51 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.54 9.04 86.45 1.50 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2884) 04/15/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.16 0.01 0.03 99.53 02:00:01 0 0.23 0.00 0.14 0.02 0.02 99.59 02:00:01 1 0.31 0.00 0.18 0.00 0.03 99.48 02:10:13 all 0.24 0.00 0.08 0.01 0.02 99.65 02:10:13 0 0.38 0.00 0.07 0.01 0.02 99.52 02:10:13 1 0.10 0.00 0.08 0.01 0.03 99.79 02:20:03 all 0.26 0.00 0.07 0.01 0.02 99.64 02:20:03 0 0.27 0.00 0.06 0.01 0.02 99.64 02:20:03 1 0.25 0.00 0.08 0.01 0.02 99.64 02:30:01 all 0.29 0.00 0.17 0.03 0.02 99.49 02:30:01 0 0.09 0.00 0.21 0.05 0.03 99.62 02:30:01 1 0.49 0.00 0.13 0.01 0.01 99.35 02:40:13 all 0.34 0.00 0.11 0.02 0.02 99.50 02:40:13 0 0.22 0.00 0.14 0.02 0.02 99.60 02:40:13 1 0.46 0.00 0.09 0.03 0.01 99.40 02:50:13 all 0.25 0.00 0.08 0.01 0.02 99.65 02:50:13 0 0.18 0.00 0.09 0.00 0.02 99.71 02:50:13 1 0.32 0.00 0.07 0.02 0.02 99.58 03:00:01 all 11.88 0.00 1.91 0.51 0.05 85.64 03:00:01 0 13.09 0.00 2.11 0.62 0.06 84.13 03:00:01 1 10.69 0.00 1.72 0.40 0.05 87.15 03:10:03 all 0.98 0.00 0.24 0.01 0.03 98.74 03:10:03 0 0.97 0.00 0.21 0.01 0.03 98.79 03:10:03 1 0.98 0.00 0.28 0.01 0.04 98.69 03:20:13 all 6.37 0.00 0.80 0.01 0.06 92.76 03:20:13 0 6.82 0.00 0.90 0.01 0.06 92.21 03:20:13 1 5.92 0.00 0.71 0.00 0.06 93.30 03:30:01 all 2.43 0.00 0.44 0.01 0.05 97.07 03:30:01 0 1.66 0.00 0.43 0.01 0.06 97.84 03:30:01 1 3.20 0.00 0.45 0.01 0.04 96.29 03:40:13 all 2.79 0.00 0.57 0.01 0.05 96.59 03:40:13 0 2.22 0.00 0.44 0.01 0.04 97.29 03:40:13 1 3.36 0.00 0.71 0.00 0.05 95.89 03:40:13 CPU %user %nice %system %iowait %steal %idle 03:50:03 all 1.06 0.00 0.27 0.01 0.05 98.61 03:50:03 0 1.15 0.00 0.27 0.01 0.04 98.52 03:50:03 1 0.97 0.00 0.26 0.01 0.05 98.71 Average: all 2.24 0.00 0.41 0.05 0.03 97.27 Average: 0 2.24 0.00 0.42 0.06 0.04 97.24 Average: 1 2.23 0.00 0.39 0.04 0.03 97.30