---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1045 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 xtopology 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 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 9.0G 11G 47% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 463 3883 0 3628 7213 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:f9:92:67 brd ff:ff:ff:ff:ff:ff inet 10.32.7.226/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fef9:9267/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1045) 10/24/26 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 132.14 49.84 82.30 3454.09 8603.78 15:10:01 125.72 37.16 88.56 2287.07 53300.80 15:11:01 12.10 0.00 12.10 0.00 565.64 15:12:01 52.17 2.65 49.53 179.97 9161.94 Average: 80.35 22.35 57.99 1476.91 17759.98 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5829040 7437228 2338380 28.63 50320 1727544 678632 7.36 548740 1605108 213212 15:10:01 4268352 7294744 3899068 47.74 60120 3109156 781548 8.48 715576 2945280 4764 15:11:01 4249604 7285860 3917816 47.97 62760 3115148 781548 8.48 727072 2950028 1832 15:12:01 3976904 7383428 4190516 51.31 68808 3468908 690904 7.50 664776 3269496 127344 Average: 4580975 7350315 3586445 43.91 60502 2855189 733158 7.96 664041 2692478 86788 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 395.28 246.88 2028.68 67.40 0.00 0.00 0.00 0.00 15:09:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 15:10:01 ens3 975.68 553.96 20615.57 57.06 0.00 0.00 0.00 0.00 15:10:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 15:11:01 ens3 62.27 91.40 58.71 20.67 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 555.21 505.30 4080.48 80.56 0.00 0.00 0.00 0.00 15:12:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 495.11 348.53 6637.63 56.42 0.00 0.00 0.00 0.00 Average: lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1045) 10/24/26 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 22.23 0.00 1.69 3.75 0.07 72.26 15:09:02 0 14.14 0.00 1.47 2.82 0.08 81.48 15:09:02 1 12.09 0.00 1.29 4.13 0.05 82.45 15:09:02 2 28.82 0.00 1.85 1.24 0.08 68.00 15:09:02 3 33.85 0.00 2.17 6.82 0.08 57.07 15:10:01 all 17.78 0.00 1.60 2.49 0.08 78.06 15:10:01 0 38.41 0.00 3.36 2.20 0.12 55.92 15:10:01 1 11.47 0.00 0.41 0.91 0.03 87.17 15:10:01 2 12.61 0.00 1.27 5.08 0.07 80.96 15:10:01 3 8.60 0.00 1.34 1.76 0.09 88.22 15:11:01 all 4.67 0.00 0.25 0.03 0.03 95.00 15:11:01 0 7.43 0.00 0.61 0.00 0.03 91.93 15:11:01 1 4.22 0.00 0.18 0.00 0.02 95.58 15:11:01 2 5.19 0.00 0.12 0.13 0.02 94.54 15:11:01 3 1.85 0.00 0.13 0.00 0.05 97.96 15:12:01 all 19.72 0.00 1.40 0.58 0.08 78.22 15:12:01 0 22.78 0.00 1.42 0.37 0.08 75.35 15:12:01 1 14.27 0.00 0.82 0.02 0.07 84.83 15:12:01 2 11.25 0.00 1.30 1.84 0.07 85.54 15:12:01 3 30.58 0.00 2.06 0.08 0.12 67.17 Average: all 16.08 0.00 1.23 1.71 0.06 80.91 Average: 0 20.58 0.00 1.70 1.34 0.08 76.29 Average: 1 10.51 0.00 0.67 1.26 0.04 87.51 Average: 2 14.47 0.00 1.14 2.06 0.06 82.27 Average: 3 18.78 0.00 1.42 2.17 0.08 77.54