---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1525 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 7.6G 12G 40% / 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 472 5292 0 2210 7223 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:7b:38:e4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.236/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86125sec preferred_lft 86125sec inet6 fe80::f816:3eff:fe7b:38e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1525) 04/27/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 163.25 82.77 80.47 4895.30 40193.42 07:07:01 82.06 31.02 51.03 1734.46 8706.20 07:08:01 46.53 8.00 38.53 540.71 8719.35 07:09:01 27.63 3.47 24.16 133.71 5967.41 Average: 79.86 31.32 48.54 1826.55 15927.39 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6017496 7408408 2149916 26.32 36460 1535152 703720 7.64 591600 1398028 70372 07:07:01 5690060 7388072 2477352 30.33 56856 1805664 759388 8.24 633368 1650464 130032 07:08:01 5371084 7339880 2796328 34.24 65044 2060724 734244 7.97 807880 1779532 160584 07:09:01 5422092 7398812 2745320 33.61 66952 2066688 685480 7.44 758612 1778496 9968 Average: 5625183 7383793 2542229 31.13 56328 1867057 720708 7.82 697865 1651630 92739 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 07:06:02 ens3 319.69 200.52 1259.32 63.77 0.00 0.00 0.00 0.00 07:07:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 07:07:01 ens3 64.66 49.17 719.20 13.87 0.00 0.00 0.00 0.00 07:08:01 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 07:08:01 ens3 170.54 152.12 1859.18 23.71 0.00 0.00 0.00 0.00 07:09:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 54.46 68.91 30.53 675.63 0.00 0.00 0.00 0.00 Average: lo 1.25 1.25 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 152.71 117.97 968.10 194.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1525) 04/27/26 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.19 0.00 2.70 5.98 3.04 68.09 07:06:02 0 11.04 0.00 1.29 4.86 1.89 80.91 07:06:02 1 26.05 0.00 5.75 13.62 3.30 51.28 07:06:02 2 30.22 0.00 2.29 1.47 3.36 62.66 07:06:02 3 13.44 0.00 1.49 4.02 3.61 77.44 07:07:01 all 21.63 0.00 1.38 2.85 2.09 72.06 07:07:01 0 8.30 0.00 0.90 1.29 0.93 88.59 07:07:01 1 28.65 0.00 1.80 6.39 2.24 60.92 07:07:01 2 35.34 0.00 1.68 0.89 2.37 59.71 07:07:01 3 14.22 0.00 1.17 2.81 2.80 79.00 07:08:01 all 36.42 0.00 1.74 1.21 5.43 55.20 07:08:01 0 27.15 0.00 1.66 0.77 4.87 65.56 07:08:01 1 50.12 0.00 2.30 2.21 6.21 39.15 07:08:01 2 36.01 0.00 1.25 0.15 5.12 57.47 07:08:01 3 32.47 0.00 1.76 1.74 5.56 58.47 07:09:01 all 20.08 0.00 1.00 0.94 1.65 76.33 07:09:01 0 9.00 0.00 0.82 0.05 1.79 88.33 07:09:01 1 23.55 0.00 1.16 2.45 1.62 71.22 07:09:01 2 14.92 0.00 0.66 0.07 1.16 83.19 07:09:01 3 32.93 0.00 1.36 1.18 2.04 62.50 Average: all 24.61 0.00 1.71 2.74 3.06 67.88 Average: 0 13.93 0.00 1.17 1.74 2.38 80.78 Average: 1 32.12 0.00 2.76 6.16 3.35 55.61 Average: 2 29.13 0.00 1.47 0.64 3.01 65.75 Average: 3 23.27 0.00 1.44 2.44 3.50 69.34