---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53012 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 769 5128 4 2341 7172 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:15:a2:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78451sec preferred_lft 78451sec inet6 fe80::f816:3eff:fe15:a214/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53012) 03/26/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.58 0.03 1.54 0.02 1.28 18.87 677.06 02:10:02 2.04 0.33 1.69 0.02 40.01 73.41 0.97 02:20:02 1.37 0.00 1.35 0.02 0.01 15.87 1.09 02:30:01 1.54 0.00 1.53 0.01 0.00 18.16 436.50 02:40:02 1.35 0.00 1.35 0.00 0.00 15.70 0.00 02:50:02 1.35 0.00 1.35 0.00 0.00 15.57 0.00 03:00:01 36.87 3.04 18.97 14.86 228.65 3138.53 110361.39 03:10:02 1.47 0.01 1.47 0.00 0.57 35.35 0.03 03:20:02 1.30 0.00 1.30 0.00 0.00 21.13 0.05 03:30:01 1.62 0.00 1.59 0.02 0.00 135.46 397.37 03:40:02 1.49 0.00 1.49 0.00 0.20 50.48 0.03 03:50:02 1.44 0.00 1.43 0.01 0.00 42.01 0.35 04:00:01 19.96 13.64 5.02 1.30 157.12 455.75 2572.79 Average: 5.64 1.31 3.08 1.25 32.92 310.39 8796.37 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283008 7529820 291124 3.58 30560 1421976 536032 5.84 449140 1183196 120 02:10:02 6246160 7521956 298292 3.67 30956 1450180 536056 5.84 460720 1200420 184 02:20:02 6246160 7522520 297736 3.66 31180 1450508 536216 5.84 460796 1200972 172 02:30:01 6255552 7532436 287808 3.54 31356 1450832 536280 5.84 460880 1201472 240 02:40:02 6255328 7532844 287392 3.53 31528 1451288 536276 5.84 461432 1201972 192 02:50:02 6255328 7533332 286868 3.53 31680 1451616 536280 5.84 461504 1202452 184 03:00:01 5357224 7464844 307144 3.78 84928 2186844 561336 6.11 550076 1945344 2340 03:10:02 5258844 7369220 402748 4.95 85104 2189520 642932 7.00 597644 1948196 252 03:20:02 5257412 7369720 402248 4.95 85224 2191328 662988 7.22 616992 1950124 252 03:30:01 5218432 7365616 406132 4.99 85408 2226100 649040 7.07 601780 1984948 276 03:40:02 5213440 7371816 399660 4.91 85568 2236856 719660 7.84 622972 1995864 1152 03:50:02 5173252 7338728 432920 5.32 85708 2243720 676052 7.36 629068 2002872 204 04:00:01 5246288 7338916 432708 5.32 91684 2164480 673640 7.34 657288 1927384 16532 Average: 5712802 7445521 348675 4.29 60837 1855019 600214 6.54 540792 1611170 1700 01:50:21 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 1.00 0.05 0.12 0.03 0.00 0.00 0.00 0.00 02:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.64 0.22 3.04 0.03 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.52 0.08 3.36 0.04 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 0.19 0.04 0.04 0.01 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 0.35 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.24 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 61.18 41.08 297.97 11.26 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 23.39 19.33 223.61 2.20 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 9.67 8.62 61.37 0.93 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 13.58 11.99 157.00 1.20 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 6.81 6.25 34.20 0.88 0.00 0.00 0.00 0.00 03:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:02 ens3 19.69 18.20 226.89 1.78 0.00 0.00 0.00 0.00 04:00:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 04:00:01 ens3 20.21 16.38 74.05 14.11 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 12.13 9.43 83.38 2.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53012) 03/26/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.34 0.00 0.16 0.01 0.04 99.45 02:00:01 0 0.40 0.00 0.16 0.00 0.03 99.40 02:00:01 1 0.27 0.00 0.16 0.02 0.04 99.50 02:10:02 all 0.39 0.00 0.10 0.04 0.04 99.43 02:10:02 0 0.38 0.00 0.11 0.01 0.04 99.46 02:10:02 1 0.40 0.00 0.09 0.07 0.04 99.40 02:20:02 all 0.27 0.00 0.07 0.02 0.04 99.60 02:20:02 0 0.34 0.00 0.07 0.03 0.04 99.53 02:20:02 1 0.20 0.00 0.07 0.02 0.04 99.67 02:30:01 all 0.30 0.00 0.16 0.01 0.03 99.51 02:30:01 0 0.52 0.00 0.13 0.01 0.02 99.32 02:30:01 1 0.08 0.00 0.19 0.01 0.04 99.69 02:40:02 all 0.27 0.00 0.08 0.01 0.03 99.61 02:40:02 0 0.48 0.00 0.05 0.00 0.02 99.44 02:40:02 1 0.06 0.00 0.11 0.02 0.04 99.77 02:50:02 all 0.28 0.00 0.07 0.01 0.03 99.61 02:50:02 0 0.50 0.00 0.05 0.01 0.03 99.42 02:50:02 1 0.06 0.00 0.09 0.02 0.03 99.79 03:00:01 all 10.89 0.00 1.77 1.25 0.05 86.03 03:00:01 0 13.61 0.00 1.97 1.00 0.05 83.38 03:00:01 1 8.17 0.00 1.58 1.51 0.05 88.69 03:10:02 all 1.18 0.00 0.30 0.03 0.07 98.43 03:10:02 0 1.35 0.00 0.32 0.05 0.06 98.22 03:10:02 1 1.00 0.00 0.28 0.01 0.07 98.64 03:20:02 all 2.69 0.00 0.32 0.01 0.07 96.92 03:20:02 0 2.41 0.00 0.38 0.01 0.09 97.11 03:20:02 1 2.96 0.00 0.26 0.00 0.05 96.72 03:30:01 all 4.85 0.00 0.55 0.01 0.09 94.50 03:30:01 0 8.76 0.00 0.80 0.01 0.09 90.34 03:30:01 1 1.11 0.00 0.32 0.01 0.09 98.48 03:40:02 all 2.31 0.00 0.33 0.01 0.08 97.27 03:40:02 0 0.69 0.00 0.19 0.01 0.06 99.05 03:40:02 1 3.94 0.00 0.46 0.01 0.10 95.48 03:40:02 CPU %user %nice %system %iowait %steal %idle 03:50:02 all 1.54 0.00 0.34 0.01 0.08 98.03 03:50:02 0 0.90 0.00 0.19 0.00 0.06 98.84 03:50:02 1 2.17 0.00 0.49 0.01 0.11 97.22 04:00:01 all 4.82 0.17 0.73 0.19 0.08 94.02 04:00:01 0 2.49 0.14 0.51 0.11 0.07 96.67 04:00:01 1 7.14 0.19 0.94 0.26 0.09 91.38 Average: all 2.31 0.01 0.38 0.12 0.06 97.11 Average: 0 2.50 0.01 0.38 0.10 0.05 96.96 Average: 1 2.12 0.01 0.39 0.15 0.06 97.26