---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6511 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 735 5238 4 2257 7206 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:a4:f5:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78877sec preferred_lft 78877sec inet6 fe80::f816:3eff:fea4:f58d/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-6511) 03/21/26 _x86_64_ (2 CPU) 00:40:54 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.45 0.01 1.43 0.01 0.05 17.93 435.44 01:10:02 1.13 0.00 1.11 0.02 0.00 14.08 1.32 01:20:01 1.89 0.32 1.53 0.03 40.14 72.61 1.34 01:30:02 1.37 0.00 1.34 0.03 0.00 17.16 435.90 01:40:02 1.36 0.00 1.34 0.02 0.00 16.31 1.20 01:50:01 35.49 3.02 16.85 15.62 227.99 3077.62 108110.87 02:00:02 1.75 0.01 1.72 0.02 0.77 40.56 0.59 02:10:02 1.30 0.00 1.30 0.00 0.00 21.40 0.05 02:20:01 1.42 0.00 1.42 0.00 0.00 132.95 397.03 02:30:02 1.59 0.00 1.58 0.01 0.00 36.10 0.55 02:40:02 1.45 0.00 1.44 0.02 0.00 24.51 0.71 Average: 4.56 0.30 2.82 1.43 24.42 315.22 9932.86 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6287568 7539100 281392 3.46 30760 1426388 526680 5.74 454312 1187548 228 01:10:02 6286112 7538160 282316 3.47 30956 1426716 526808 5.74 454640 1188060 304 01:20:01 6240428 7521448 298520 3.67 31348 1454896 526872 5.74 466280 1205272 244 01:30:02 6245412 7527020 292928 3.60 31588 1455220 527028 5.74 466168 1205840 164 01:40:02 6245412 7527700 292284 3.59 31804 1455676 527092 5.74 466332 1206384 164 01:50:01 5361108 7469368 302488 3.72 85028 2187324 552584 6.02 545460 1945696 2504 02:00:02 5256268 7367596 404196 4.97 85164 2190352 651828 7.10 610684 1948860 276 02:10:02 5269712 7383000 388848 4.78 85288 2192192 654140 7.12 613032 1950820 304 02:20:01 5194728 7342952 428920 5.27 85440 2226960 690604 7.52 648496 1985744 164 02:30:02 5186284 7340076 431732 5.31 85568 2232312 678156 7.39 636488 1991096 260 02:40:02 5198004 7353960 417808 5.14 85716 2234312 678472 7.39 636872 1993236 268 Average: 5706458 7446398 347403 4.27 60787 1862032 594569 6.48 545342 1618960 444 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.26 0.15 0.26 0.14 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.56 0.14 0.64 0.68 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.79 0.32 3.29 0.14 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.25 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.35 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 62.22 43.67 295.77 11.39 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 27.34 21.89 224.62 2.42 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 9.56 8.22 61.33 0.88 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 13.95 12.25 157.14 1.18 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 10.72 9.92 58.26 1.51 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 19.64 18.39 223.67 1.53 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 13.32 10.46 93.15 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6511) 03/21/26 _x86_64_ (2 CPU) 00:40:54 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.33 0.00 0.19 0.08 0.03 99.37 01:00:02 0 0.21 0.00 0.19 0.01 0.03 99.56 01:00:02 1 0.45 0.00 0.19 0.16 0.02 99.18 01:10:02 all 0.25 0.00 0.08 0.05 0.02 99.60 01:10:02 0 0.45 0.00 0.07 0.10 0.02 99.37 01:10:02 1 0.06 0.00 0.09 0.00 0.03 99.82 01:20:01 all 0.31 0.00 0.10 0.03 0.03 99.52 01:20:01 0 0.34 0.00 0.09 0.02 0.02 99.52 01:20:01 1 0.28 0.00 0.12 0.04 0.04 99.53 01:30:02 all 0.22 0.00 0.16 0.01 0.03 99.58 01:30:02 0 0.25 0.00 0.16 0.01 0.03 99.55 01:30:02 1 0.19 0.00 0.16 0.01 0.03 99.61 01:40:02 all 0.21 0.00 0.07 0.01 0.03 99.68 01:40:02 0 0.38 0.00 0.07 0.02 0.02 99.51 01:40:02 1 0.04 0.00 0.07 0.01 0.04 99.84 01:50:01 all 10.54 0.00 1.61 0.55 0.05 87.25 01:50:01 0 12.87 0.00 1.79 0.66 0.05 84.64 01:50:01 1 8.20 0.00 1.43 0.45 0.05 89.86 02:00:02 all 1.22 0.00 0.37 0.02 0.07 98.33 02:00:02 0 1.23 0.00 0.31 0.02 0.06 98.38 02:00:02 1 1.21 0.00 0.43 0.01 0.07 98.28 02:10:02 all 2.39 0.00 0.30 0.01 0.07 97.22 02:10:02 0 2.51 0.00 0.32 0.02 0.08 97.07 02:10:02 1 2.28 0.00 0.28 0.01 0.06 97.37 02:20:01 all 5.64 0.00 0.55 0.14 0.07 93.60 02:20:01 0 4.92 0.00 0.50 0.26 0.08 94.25 02:20:01 1 6.36 0.00 0.60 0.02 0.07 92.95 02:30:02 all 1.90 0.00 0.35 0.01 0.06 97.68 02:30:02 0 1.95 0.00 0.34 0.01 0.05 97.65 02:30:02 1 1.85 0.00 0.36 0.02 0.06 97.71 02:40:02 all 0.98 0.00 0.28 0.22 0.05 98.47 02:40:02 0 1.12 0.00 0.27 0.11 0.05 98.45 02:40:02 1 0.84 0.00 0.28 0.32 0.05 98.49 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.17 0.00 0.37 0.10 0.05 97.31 Average: 0 2.38 0.00 0.37 0.11 0.04 97.10 Average: 1 1.97 0.00 0.36 0.10 0.05 97.53