---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22959 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: 5600.00 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 746 5230 4 2256 7195 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:a3:91:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71674sec preferred_lft 71674sec inet6 fe80::f816:3eff:fea3:9198/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22959) 06/03/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.88 0.26 1.59 0.03 32.14 75.59 873.45 01:10:03 1.21 0.00 1.19 0.02 0.00 14.65 1.32 01:20:03 1.20 0.00 1.18 0.01 0.01 14.24 1.08 01:30:00 1.49 0.00 1.46 0.03 0.00 18.84 438.73 01:40:03 1.19 0.00 1.17 0.02 0.00 14.58 1.37 01:50:03 1.24 0.00 1.22 0.02 0.00 14.72 1.20 02:00:01 1.45 0.00 1.42 0.03 0.00 18.06 1.58 02:10:03 1.15 0.00 1.14 0.02 0.00 13.78 1.20 02:20:03 13.89 0.00 1.32 12.57 0.15 15.73 109116.34 02:30:03 1.61 0.00 1.57 0.03 0.00 19.17 1.57 02:40:03 1.35 0.00 1.33 0.01 0.00 15.60 1.08 02:50:03 1.58 0.00 1.56 0.02 0.00 19.19 1.37 03:00:01 1.49 0.00 1.47 0.03 0.00 18.47 1.47 03:10:03 1.22 0.00 1.21 0.02 0.00 15.36 1.21 03:20:03 1.31 0.00 1.30 0.01 0.00 15.76 1.08 03:30:01 1.55 0.00 1.52 0.03 0.00 19.08 1.58 03:40:03 1.30 0.00 1.28 0.02 0.00 16.84 1.06 03:50:03 1.23 0.00 1.22 0.02 0.00 14.96 1.20 04:00:01 1.45 0.00 1.41 0.03 0.00 18.15 1.43 04:10:03 1.27 0.00 1.26 0.02 0.00 15.16 1.20 04:20:03 1.26 0.00 1.24 0.02 0.00 15.07 1.09 04:30:01 1.47 0.00 1.44 0.03 0.00 18.04 1.58 04:40:03 1.27 0.00 1.26 0.02 0.00 15.16 1.20 Average: 1.92 0.01 1.34 0.57 1.40 18.96 4802.21 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6268156 7534544 286240 3.52 30316 1441876 527500 5.75 448916 1196036 128 01:10:03 6277400 7544332 276436 3.40 30536 1442200 527700 5.75 449044 1196572 232 01:20:03 6276928 7544392 276380 3.40 30724 1442528 527800 5.75 449392 1197096 176 01:30:00 6270640 7538836 281772 3.46 30968 1442992 527728 5.75 449716 1197672 156 01:40:03 6270640 7539380 281332 3.46 31180 1443324 527728 5.75 449768 1198212 296 01:50:03 6277988 7547268 273436 3.36 31388 1443640 527952 5.75 450240 1198744 184 02:00:01 6271936 7541792 278888 3.43 31612 1443968 527952 5.75 450176 1199296 168 02:10:03 6271432 7541828 278844 3.43 31820 1444296 527952 5.75 450292 1199828 216 02:20:03 6268916 7539896 280748 3.45 32020 1444672 528016 5.75 450380 1200372 292 02:30:03 6269484 7541152 279444 3.44 32232 1445128 528016 5.75 450524 1200916 212 02:40:03 6269236 7541416 279180 3.43 32424 1445440 528040 5.75 450572 1201424 324 02:50:03 6283908 7556656 263904 3.25 32648 1445784 528040 5.75 450620 1201984 300 03:00:01 6276108 7549404 271164 3.33 32852 1446108 528104 5.75 450680 1202520 240 03:10:03 6276108 7550052 270504 3.33 33072 1446532 528240 5.75 450836 1203036 240 03:20:03 6276108 7550620 269912 3.32 33268 1446896 528240 5.75 450844 1203588 304 03:30:01 6269296 7544340 276140 3.40 33468 1447216 528240 5.75 450936 1204108 136 03:40:03 6264020 7539644 280816 3.45 33704 1447544 528240 5.75 450860 1204680 200 03:50:03 6264020 7540172 280316 3.45 33904 1447868 528240 5.75 450900 1205204 196 04:00:01 6269512 7546340 274148 3.37 34112 1448324 528272 5.75 451168 1205740 204 04:10:03 6268572 7545924 274560 3.38 34304 1448648 528272 5.75 451176 1206256 204 04:20:03 6269976 7547856 272620 3.35 34488 1448980 528272 5.75 451188 1206772 192 04:30:01 6263712 7542132 278336 3.42 34696 1449304 528272 5.75 451092 1207304 240 04:40:03 6262716 7541664 278792 3.43 34896 1449628 528272 5.75 451420 1207828 196 Average: 6271166 7543897 276692 3.40 32636 1445778 528047 5.75 450467 1201965 219 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.87 0.25 3.18 0.05 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.51 0.11 0.12 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.32 0.05 0.07 0.03 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 0.34 0.06 0.08 0.03 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 0.69 0.17 0.16 0.63 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.56 0.05 5.98 0.03 0.00 0.00 0.00 0.00 02:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 0.15 0.03 0.04 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 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.22 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.22 0.04 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.29 0.08 0.10 0.05 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 0.15 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:03 ens3 0.15 0.02 0.04 0.01 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 0.29 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 0.23 0.05 0.07 0.03 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 0.16 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.19 0.05 0.06 0.03 0.00 0.00 0.00 0.00 04:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:03 ens3 0.25 0.04 0.23 0.02 0.00 0.00 0.00 0.00 04:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:03 ens3 0.14 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 0.15 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:03 ens3 0.29 0.07 0.10 0.05 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.30 0.06 0.47 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22959) 06/03/26 _x86_64_ (2 CPU) 00:42:26 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.45 0.00 0.22 0.02 0.02 99.29 01:00:01 0 0.53 0.00 0.20 0.03 0.02 99.22 01:00:01 1 0.38 0.00 0.24 0.02 0.02 99.35 01:10:03 all 0.29 0.00 0.08 0.01 0.02 99.60 01:10:03 0 0.41 0.00 0.06 0.01 0.01 99.51 01:10:03 1 0.17 0.00 0.10 0.02 0.02 99.70 01:20:03 all 0.28 0.00 0.07 0.01 0.02 99.62 01:20:03 0 0.47 0.00 0.04 0.00 0.02 99.47 01:20:03 1 0.09 0.00 0.11 0.01 0.03 99.76 01:30:00 all 0.27 0.00 0.18 0.07 0.03 99.45 01:30:00 0 0.11 0.00 0.19 0.13 0.03 99.55 01:30:00 1 0.43 0.00 0.17 0.02 0.03 99.36 01:40:03 all 0.26 0.00 0.07 0.01 0.03 99.62 01:40:03 0 0.15 0.00 0.09 0.02 0.03 99.71 01:40:03 1 0.38 0.00 0.06 0.00 0.02 99.53 01:50:03 all 0.26 0.00 0.07 0.01 0.02 99.64 01:50:03 0 0.45 0.00 0.05 0.01 0.02 99.47 01:50:03 1 0.07 0.00 0.08 0.01 0.03 99.81 02:00:01 all 0.26 0.00 0.16 0.01 0.03 99.53 02:00:01 0 0.20 0.00 0.16 0.01 0.03 99.61 02:00:01 1 0.33 0.00 0.17 0.02 0.03 99.45 02:10:03 all 0.23 0.00 0.07 0.02 0.02 99.65 02:10:03 0 0.33 0.00 0.06 0.01 0.02 99.58 02:10:03 1 0.14 0.00 0.08 0.04 0.02 99.73 02:20:03 all 0.25 0.00 0.08 1.46 0.02 98.19 02:20:03 0 0.45 0.00 0.04 0.41 0.01 99.08 02:20:03 1 0.05 0.00 0.12 2.50 0.02 97.30 02:30:03 all 0.28 0.00 0.16 0.11 0.02 99.44 02:30:03 0 0.30 0.00 0.14 0.08 0.02 99.47 02:30:03 1 0.26 0.00 0.18 0.13 0.02 99.42 02:40:03 all 0.25 0.00 0.07 0.03 0.02 99.64 02:40:03 0 0.05 0.00 0.09 0.04 0.02 99.80 02:40:03 1 0.44 0.00 0.05 0.03 0.01 99.47 02:40:03 CPU %user %nice %system %iowait %steal %idle 02:50:03 all 0.26 0.00 0.08 0.13 0.02 99.52 02:50:03 0 0.06 0.00 0.09 0.05 0.02 99.78 02:50:03 1 0.45 0.00 0.08 0.21 0.01 99.25 03:00:01 all 0.27 0.00 0.17 0.02 0.02 99.52 03:00:01 0 0.09 0.00 0.18 0.03 0.02 99.68 03:00:01 1 0.45 0.00 0.16 0.01 0.01 99.37 03:10:03 all 0.25 0.00 0.07 0.01 0.02 99.65 03:10:03 0 0.06 0.00 0.08 0.02 0.02 99.82 03:10:03 1 0.44 0.00 0.06 0.00 0.01 99.48 03:20:03 all 0.25 0.00 0.07 0.01 0.02 99.66 03:20:03 0 0.05 0.00 0.08 0.02 0.02 99.84 03:20:03 1 0.46 0.00 0.05 0.01 0.01 99.47 03:30:01 all 0.28 0.00 0.16 0.01 0.02 99.52 03:30:01 0 0.26 0.00 0.19 0.02 0.02 99.51 03:30:01 1 0.31 0.00 0.14 0.00 0.02 99.53 03:40:03 all 0.24 0.00 0.08 0.01 0.02 99.65 03:40:03 0 0.15 0.00 0.08 0.02 0.02 99.74 03:40:03 1 0.34 0.00 0.07 0.00 0.02 99.56 03:50:03 all 0.24 0.00 0.07 0.01 0.02 99.66 03:50:03 0 0.14 0.00 0.07 0.01 0.02 99.76 03:50:03 1 0.35 0.00 0.06 0.02 0.02 99.56 04:00:01 all 0.24 0.00 0.16 0.01 0.02 99.56 04:00:01 0 0.26 0.00 0.17 0.02 0.02 99.53 04:00:01 1 0.22 0.00 0.16 0.00 0.02 99.59 04:10:03 all 0.23 0.00 0.07 0.01 0.02 99.67 04:10:03 0 0.38 0.00 0.06 0.02 0.02 99.52 04:10:03 1 0.08 0.00 0.08 0.00 0.02 99.81 04:20:03 all 0.25 0.00 0.06 0.01 0.02 99.65 04:20:03 0 0.45 0.00 0.04 0.02 0.02 99.47 04:20:03 1 0.05 0.00 0.09 0.00 0.03 99.83 04:30:01 all 0.27 0.00 0.16 0.07 0.02 99.47 04:30:01 0 0.31 0.00 0.16 0.05 0.02 99.47 04:30:01 1 0.23 0.00 0.17 0.10 0.02 99.48 04:30:01 CPU %user %nice %system %iowait %steal %idle 04:40:03 all 0.23 0.00 0.07 0.01 0.02 99.67 04:40:03 0 0.28 0.00 0.06 0.01 0.02 99.63 04:40:03 1 0.17 0.00 0.08 0.02 0.02 99.71 Average: all 0.27 0.00 0.11 0.09 0.02 99.52 Average: 0 0.26 0.00 0.10 0.04 0.02 99.57 Average: 1 0.27 0.00 0.11 0.14 0.02 99.46