---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1382 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 780 5170 4 2280 7161 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:3b:9c:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78773sec preferred_lft 78773sec inet6 fe80::f816:3eff:fe3b:9c97/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1382) 04/09/26 _x86_64_ (2 CPU) 01:47:18 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.50 0.02 1.46 0.01 1.24 18.27 653.71 02:10:01 1.19 0.01 1.19 0.00 0.05 14.53 0.12 02:20:09 1.23 0.00 1.23 0.00 0.01 14.94 0.12 02:30:06 1.30 0.00 1.29 0.02 0.00 16.43 876.00 02:40:01 1.11 0.00 1.11 0.00 0.00 13.55 0.00 02:50:02 2.12 0.71 1.39 0.01 54.73 102.40 0.20 03:00:06 21.47 2.61 16.61 2.25 211.92 3088.28 927.84 03:10:01 15.04 0.02 1.45 13.58 0.75 23.84 107682.16 03:20:12 1.33 0.00 1.32 0.02 0.00 126.69 1.09 03:30:13 1.70 0.00 1.66 0.04 0.00 34.20 396.93 03:40:06 1.44 0.01 1.41 0.03 0.20 66.24 1.35 03:50:12 1.38 0.00 1.35 0.03 0.00 22.59 1.39 Average: 4.24 0.28 2.63 1.32 22.54 297.14 9133.45 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6301584 7547548 272968 3.36 30596 1421044 530232 5.78 441772 1183268 124 02:10:01 6299596 7546076 274436 3.37 30776 1421372 530172 5.77 441908 1183776 124 02:20:09 6298908 7545892 274552 3.38 30952 1421700 530352 5.78 441932 1184276 148 02:30:06 6291732 7539256 281144 3.46 31144 1422032 530384 5.78 441956 1184804 220 02:40:01 6307356 7555364 265032 3.26 31300 1422360 530384 5.78 442056 1185280 292 02:50:02 6227776 7519228 300048 3.69 31796 1464840 742496 8.09 488368 1215552 296 03:00:06 5165612 7275540 496016 6.10 85132 2188988 687540 7.49 642452 1948672 232 03:10:01 5260368 7372656 398896 4.90 85304 2191156 646668 7.04 593216 1950880 240 03:20:12 5206588 7353988 417520 5.13 85512 2226036 689204 7.51 634712 1985952 1008 03:30:13 5229828 7380636 390808 4.81 85712 2229180 655080 7.14 600812 1989312 132 03:40:06 5172592 7338596 432472 5.32 85928 2243968 733020 7.98 629140 2004180 128 03:50:12 5148596 7316740 454488 5.59 86100 2245904 702412 7.65 648456 2006296 224 Average: 5742545 7440960 354865 4.36 58354 1824882 625662 6.81 537232 1585187 264 01:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 0.75 0.08 0.10 0.03 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 0.40 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.84 0.05 5.60 0.02 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.26 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 10.07 4.98 22.96 2.42 0.00 0.00 0.00 0.00 03:00:06 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:06 ens3 64.96 46.98 415.31 9.96 0.00 0.00 0.00 0.00 03:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 14.33 13.07 141.41 1.15 0.00 0.00 0.00 0.00 03:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:12 ens3 5.91 4.49 41.03 0.60 0.00 0.00 0.00 0.00 03:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:13 ens3 15.25 13.99 148.84 1.57 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 12.10 11.65 121.98 1.49 0.00 0.00 0.00 0.00 03:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:12 ens3 13.77 12.90 138.88 1.14 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 11.62 9.05 86.57 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1382) 04/09/26 _x86_64_ (2 CPU) 01:47:18 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.30 0.00 0.16 0.02 0.04 99.48 02:00:09 0 0.13 0.00 0.19 0.01 0.05 99.62 02:00:09 1 0.48 0.00 0.13 0.02 0.03 99.33 02:10:01 all 0.25 0.00 0.08 0.01 0.04 99.63 02:10:01 0 0.41 0.00 0.06 0.00 0.03 99.50 02:10:01 1 0.09 0.00 0.09 0.02 0.04 99.76 02:20:09 all 0.26 0.00 0.07 0.13 0.04 99.50 02:20:09 0 0.05 0.00 0.08 0.22 0.04 99.61 02:20:09 1 0.47 0.00 0.06 0.04 0.03 99.39 02:30:06 all 0.27 0.00 0.16 0.02 0.03 99.52 02:30:06 0 0.07 0.00 0.17 0.03 0.03 99.70 02:30:06 1 0.46 0.00 0.15 0.02 0.03 99.33 02:40:01 all 0.24 0.00 0.08 0.01 0.03 99.65 02:40:01 0 0.07 0.00 0.08 0.01 0.03 99.80 02:40:01 1 0.40 0.00 0.07 0.01 0.03 99.49 02:50:02 all 0.63 0.00 0.15 0.03 0.03 99.17 02:50:02 0 0.52 0.00 0.17 0.04 0.03 99.25 02:50:02 1 0.75 0.00 0.12 0.03 0.03 99.08 03:00:06 all 11.38 0.00 1.91 0.53 0.07 86.11 03:00:06 0 9.25 0.00 1.79 0.45 0.07 88.44 03:00:06 1 13.51 0.00 2.04 0.61 0.06 83.78 03:10:01 all 0.95 0.00 0.25 0.04 0.05 98.70 03:10:01 0 0.84 0.00 0.25 0.05 0.05 98.81 03:10:01 1 1.06 0.00 0.26 0.04 0.06 98.58 03:20:12 all 6.55 0.00 0.62 0.01 0.07 92.75 03:20:12 0 0.88 0.00 0.14 0.01 0.07 98.89 03:20:12 1 12.60 0.00 1.12 0.01 0.08 86.20 03:30:13 all 1.46 0.00 0.35 0.01 0.07 98.12 03:30:13 0 1.49 0.00 0.27 0.01 0.05 98.19 03:30:13 1 1.43 0.00 0.43 0.01 0.08 98.05 03:40:06 all 2.87 0.00 0.48 0.01 0.07 96.56 03:40:06 0 2.11 0.00 0.40 0.01 0.05 97.43 03:40:06 1 3.64 0.00 0.57 0.01 0.09 95.69 03:40:06 CPU %user %nice %system %iowait %steal %idle 03:50:12 all 0.92 0.00 0.21 0.01 0.07 98.80 03:50:12 0 0.83 0.00 0.20 0.00 0.06 98.91 03:50:12 1 1.01 0.00 0.22 0.01 0.08 98.68 Average: all 2.17 0.00 0.38 0.07 0.05 97.33 Average: 0 1.39 0.00 0.32 0.07 0.05 98.18 Average: 1 2.96 0.00 0.44 0.07 0.05 96.48