---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6531 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 22% / 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 757 5175 4 2302 7184 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:49:85:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71524sec preferred_lft 71524sec inet6 fe80::f816:3eff:fe49:85b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6531) 09/10/26 _x86_64_ (2 CPU) 01:04:27 LINUX RESTART (2 CPU) 01:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:27 1.30 0.01 1.29 0.00 0.07 15.51 4.97 01:30:27 1.57 0.00 1.54 0.03 0.00 18.51 471.39 01:40:27 1.36 0.00 1.35 0.02 0.00 15.83 49.73 01:50:13 1.40 0.00 1.38 0.02 0.00 15.87 45.89 02:00:01 1.59 0.00 1.56 0.03 0.00 18.50 485.55 02:10:03 1.38 0.00 1.36 0.02 0.00 15.87 49.61 02:20:27 14.17 0.00 1.46 12.71 0.14 16.70 104674.00 02:30:01 1.61 0.00 1.59 0.03 0.00 18.83 492.55 02:40:27 1.42 0.00 1.40 0.02 0.00 16.32 52.44 02:50:13 1.44 0.00 1.42 0.02 0.00 16.49 45.90 03:00:01 1.55 0.00 1.53 0.03 0.00 18.32 485.70 03:10:03 1.36 0.00 1.35 0.02 0.00 16.30 49.59 03:20:27 1.43 0.00 1.43 0.00 0.00 17.18 9.55 03:30:01 1.58 0.00 1.57 0.01 0.00 19.04 445.91 03:40:27 1.43 0.00 1.43 0.00 0.00 17.02 0.00 03:50:03 1.40 0.00 1.40 0.00 0.00 16.68 0.00 04:00:01 1.56 0.00 1.55 0.01 0.00 18.79 427.86 04:10:13 1.40 0.02 1.37 0.00 2.10 16.81 0.04 04:20:27 1.24 0.00 1.24 0.00 0.00 15.48 0.00 04:30:01 1.37 0.00 1.36 0.01 0.00 17.25 446.09 04:40:27 1.30 0.00 1.30 0.00 0.00 15.71 0.00 04:50:13 1.30 0.00 1.30 0.00 0.00 15.74 0.00 05:00:01 1.46 0.00 1.45 0.01 0.00 17.78 434.53 05:10:13 26.61 2.77 21.61 2.24 218.21 3477.75 947.26 Average: 3.05 0.12 2.28 0.66 9.37 164.00 4750.03 01:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:27 6239848 7527168 292372 3.60 31056 1462412 725672 7.90 467344 1212808 124 01:30:27 6242160 7530100 289392 3.56 31312 1462736 725876 7.91 467416 1213388 132 01:40:27 6241936 7530416 289064 3.55 31512 1463076 725908 7.91 467620 1213920 164 01:50:13 6249272 7538272 281204 3.46 31708 1463388 726036 7.91 467800 1214436 132 02:00:01 6244496 7534192 285248 3.51 31924 1463848 726036 7.91 468100 1214984 256 02:10:03 6251860 7542088 277344 3.41 32124 1464180 726036 7.91 468116 1215512 256 02:20:27 6250580 7541400 278040 3.42 32336 1464548 726036 7.91 468164 1216064 132 02:30:01 6236012 7527380 291996 3.59 32536 1464876 726036 7.91 468180 1216596 240 02:40:27 6235760 7527668 291700 3.59 32740 1465204 727728 7.93 469504 1217128 132 02:50:13 6234752 7527328 292068 3.59 32940 1465660 726164 7.91 468480 1217656 136 03:00:01 6233992 7527096 292232 3.59 33136 1465984 726164 7.91 468508 1218176 240 03:10:03 6241832 7535476 283860 3.49 33344 1466316 726164 7.91 468508 1218712 272 03:20:27 6241832 7535984 283336 3.48 33520 1466640 726164 7.91 468540 1219216 180 03:30:01 6238476 7533252 286068 3.52 33680 1467092 726364 7.91 468708 1219700 256 03:40:27 6241468 7536748 282596 3.47 33848 1467420 726364 7.91 468764 1220196 132 03:50:03 6239836 7535620 283716 3.49 34016 1467748 726364 7.91 468768 1220692 204 04:00:01 6247588 7543888 275428 3.39 34192 1468076 726364 7.91 468800 1221196 248 04:10:13 6230060 7527492 291820 3.59 34352 1469044 726364 7.91 469360 1221764 388 04:20:27 6229064 7527128 292176 3.59 34528 1469500 726364 7.91 469488 1222260 256 04:30:01 6226836 7525404 293796 3.61 34680 1469828 726372 7.91 469532 1222740 280 04:40:27 6226836 7525912 293288 3.61 34848 1470156 726384 7.91 469420 1223244 124 04:50:13 6226596 7526164 293032 3.60 35008 1470480 726384 7.91 469572 1223728 124 05:00:01 6224788 7524860 294268 3.62 35168 1470808 726508 7.91 469648 1224216 248 05:10:13 5161652 7399856 365904 4.50 91116 2307404 827636 9.01 607264 2071832 196 Average: 6193230 7526287 290831 3.58 35651 1501518 730479 7.96 474400 1254174 202 01:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 1.05 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.46 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:27 ens3 0.52 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 0.43 0.22 0.08 0.61 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 0.26 0.06 0.06 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 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:27 ens3 0.24 0.04 0.04 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 0.28 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.29 0.05 0.07 0.03 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 0.46 0.08 0.10 0.06 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 0.30 0.08 0.09 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 0.21 0.03 0.03 0.01 0.00 0.00 0.00 0.00 03:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:27 ens3 0.19 0.03 0.02 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 0.35 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:27 ens3 0.19 0.03 0.02 0.01 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 0.21 0.05 0.05 0.02 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 0.21 0.06 0.05 0.03 0.00 0.00 0.00 0.00 04:10:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 04:10:13 ens3 0.19 0.04 0.03 0.02 0.00 0.00 0.00 0.00 04:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:27 ens3 0.20 0.05 0.05 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 0.18 0.03 0.02 0.01 0.00 0.00 0.00 0.00 04:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:27 ens3 0.28 0.06 0.07 0.03 0.00 0.00 0.00 0.00 04:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:13 ens3 0.31 0.07 0.08 0.05 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 0.55 0.13 0.18 0.10 0.00 0.00 0.00 0.00 05:10:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 05:10:13 ens3 107.63 74.86 323.62 17.12 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.89 3.24 13.81 0.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6531) 09/10/26 _x86_64_ (2 CPU) 01:04:27 LINUX RESTART (2 CPU) 01:10:27 CPU %user %nice %system %iowait %steal %idle 01:20:27 all 0.28 0.00 0.09 0.01 0.01 99.62 01:20:27 0 0.07 0.00 0.11 0.00 0.01 99.81 01:20:27 1 0.49 0.00 0.07 0.02 0.01 99.42 01:30:27 all 0.29 0.00 0.17 0.01 0.00 99.53 01:30:27 0 0.14 0.00 0.17 0.01 0.01 99.67 01:30:27 1 0.44 0.00 0.16 0.01 0.00 99.39 01:40:27 all 0.26 0.00 0.10 0.01 0.01 99.63 01:40:27 0 0.14 0.00 0.11 0.01 0.01 99.73 01:40:27 1 0.38 0.00 0.09 0.01 0.01 99.52 01:50:13 all 0.28 0.00 0.08 0.01 0.00 99.63 01:50:13 0 0.23 0.00 0.08 0.02 0.01 99.67 01:50:13 1 0.32 0.00 0.09 0.00 0.00 99.59 02:00:01 all 0.28 0.00 0.18 0.02 0.01 99.51 02:00:01 0 0.07 0.00 0.20 0.04 0.01 99.68 02:00:01 1 0.48 0.00 0.17 0.00 0.01 99.34 02:10:03 all 0.26 0.00 0.10 0.01 0.01 99.62 02:10:03 0 0.06 0.00 0.11 0.02 0.01 99.80 02:10:03 1 0.47 0.00 0.08 0.00 0.00 99.43 02:20:27 all 0.26 0.00 0.12 0.05 0.01 99.56 02:20:27 0 0.05 0.00 0.14 0.05 0.01 99.75 02:20:27 1 0.47 0.00 0.11 0.06 0.00 99.37 02:30:01 all 0.28 0.00 0.19 0.01 0.01 99.51 02:30:01 0 0.08 0.00 0.23 0.02 0.01 99.66 02:30:01 1 0.48 0.00 0.14 0.01 0.01 99.36 02:40:27 all 0.25 0.00 0.11 0.02 0.01 99.62 02:40:27 0 0.05 0.00 0.13 0.03 0.01 99.77 02:40:27 1 0.44 0.00 0.08 0.01 0.01 99.46 02:50:13 all 0.26 0.00 0.11 0.01 0.01 99.62 02:50:13 0 0.44 0.00 0.09 0.01 0.01 99.45 02:50:13 1 0.07 0.00 0.13 0.02 0.01 99.78 03:00:01 all 0.28 0.00 0.19 0.01 0.01 99.51 03:00:01 0 0.47 0.00 0.14 0.01 0.01 99.38 03:00:01 1 0.09 0.00 0.24 0.02 0.02 99.64 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:03 all 0.25 0.00 0.09 0.01 0.01 99.63 03:10:03 0 0.44 0.00 0.05 0.02 0.01 99.48 03:10:03 1 0.07 0.00 0.14 0.01 0.02 99.77 03:20:27 all 0.25 0.00 0.10 0.02 0.01 99.62 03:20:27 0 0.37 0.00 0.08 0.04 0.01 99.51 03:20:27 1 0.12 0.00 0.13 0.01 0.02 99.73 03:30:01 all 0.25 0.00 0.19 0.01 0.01 99.53 03:30:01 0 0.09 0.00 0.22 0.02 0.01 99.66 03:30:01 1 0.41 0.00 0.17 0.00 0.01 99.41 03:40:27 all 0.26 0.00 0.09 0.02 0.02 99.62 03:40:27 0 0.06 0.00 0.11 0.03 0.02 99.79 03:40:27 1 0.47 0.00 0.08 0.00 0.01 99.44 03:50:03 all 0.24 0.00 0.09 0.01 0.01 99.66 03:50:03 0 0.06 0.00 0.12 0.02 0.01 99.79 03:50:03 1 0.41 0.00 0.06 0.00 0.01 99.52 04:00:01 all 0.27 0.00 0.15 0.01 0.00 99.56 04:00:01 0 0.24 0.00 0.14 0.02 0.01 99.60 04:00:01 1 0.31 0.00 0.16 0.00 0.00 99.52 04:10:13 all 0.28 0.00 0.09 0.01 0.01 99.61 04:10:13 0 0.50 0.00 0.07 0.01 0.00 99.42 04:10:13 1 0.05 0.00 0.12 0.01 0.01 99.81 04:20:27 all 0.27 0.00 0.07 0.01 0.00 99.64 04:20:27 0 0.50 0.00 0.04 0.02 0.00 99.44 04:20:27 1 0.04 0.00 0.10 0.01 0.01 99.85 04:30:01 all 0.26 0.00 0.15 0.01 0.00 99.57 04:30:01 0 0.45 0.00 0.13 0.03 0.00 99.40 04:30:01 1 0.07 0.00 0.18 0.00 0.00 99.74 04:40:27 all 0.26 0.00 0.07 0.01 0.00 99.66 04:40:27 0 0.46 0.00 0.04 0.02 0.00 99.47 04:40:27 1 0.05 0.00 0.10 0.00 0.00 99.85 04:50:13 all 0.26 0.00 0.07 0.01 0.00 99.65 04:50:13 0 0.47 0.00 0.04 0.02 0.00 99.47 04:50:13 1 0.05 0.00 0.11 0.00 0.00 99.84 04:50:13 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.28 0.00 0.16 0.01 0.00 99.54 05:00:01 0 0.50 0.00 0.13 0.02 0.00 99.35 05:00:01 1 0.07 0.00 0.19 0.00 0.01 99.73 05:10:13 all 13.65 0.00 2.27 0.68 0.02 83.38 05:10:13 0 15.02 0.00 2.29 0.76 0.02 81.92 05:10:13 1 12.29 0.00 2.25 0.60 0.02 84.84 Average: all 0.83 0.00 0.21 0.04 0.01 98.90 Average: 0 0.88 0.00 0.21 0.05 0.01 98.85 Average: 1 0.78 0.00 0.22 0.03 0.01 98.96