---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9198 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 7.7G 12G 41% / 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 5155 0 2348 7219 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:bc:c4:b4 brd ff:ff:ff:ff:ff:ff inet 10.32.7.117/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86110sec preferred_lft 86110sec inet6 fe80::f816:3eff:febc:c4b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9198) 08/26/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 96.50 29.13 67.37 958.51 5159.67 07:07:01 69.30 22.77 46.53 1455.64 9193.76 07:08:01 61.23 16.08 45.15 826.92 11382.07 07:09:01 24.93 3.00 21.93 130.91 5953.67 Average: 62.96 17.72 45.24 840.46 7917.18 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5917992 7408888 2249428 27.54 40700 1626700 721024 7.82 605364 1472668 123336 07:07:01 5551092 7376984 2616328 32.03 58356 1927588 846716 9.19 636720 1774544 212408 07:08:01 5262540 7367056 2904880 35.57 66624 2190336 727064 7.89 777896 1907780 149164 07:09:01 5301356 7415968 2866064 35.09 68516 2198556 676036 7.34 744940 1901936 9308 Average: 5508245 7392224 2659175 32.56 58549 1985795 742710 8.06 691230 1764232 123554 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:02 ens3 251.07 149.54 1265.00 53.24 0.00 0.00 0.00 0.00 07:07:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 07:07:01 ens3 86.82 74.92 914.71 15.35 0.00 0.00 0.00 0.00 07:08:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 07:08:01 ens3 125.01 113.05 1869.67 22.13 0.00 0.00 0.00 0.00 07:09:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 64.39 75.77 35.52 689.62 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 132.01 103.44 1021.70 195.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-9198) 08/26/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.70 0.00 1.53 2.99 1.60 71.18 07:06:02 0 13.70 0.00 0.80 0.20 1.14 84.16 07:06:02 1 10.54 0.00 1.25 6.92 1.06 80.22 07:06:02 2 56.37 0.00 2.99 1.61 2.29 36.73 07:06:02 3 10.29 0.00 1.11 3.23 1.91 83.45 07:07:01 all 22.44 0.00 1.45 1.83 1.55 72.74 07:07:01 0 12.65 0.00 1.18 0.86 0.96 84.34 07:07:01 1 30.73 0.00 1.88 1.04 2.15 64.20 07:07:01 2 39.78 0.00 2.06 4.49 1.77 51.89 07:07:01 3 6.64 0.00 0.65 0.91 1.27 90.52 07:08:01 all 38.08 0.00 1.77 1.45 3.18 55.51 07:08:01 0 45.93 0.00 1.67 0.26 3.21 48.92 07:08:01 1 35.54 0.00 1.78 0.33 2.85 59.50 07:08:01 2 41.52 0.00 1.82 2.02 3.48 51.15 07:08:01 3 29.39 0.00 1.83 3.18 3.19 62.42 07:09:01 all 20.89 0.00 1.05 0.75 1.03 76.28 07:09:01 0 12.77 0.00 0.76 0.17 0.86 85.44 07:09:01 1 44.20 0.00 1.48 0.35 1.45 52.53 07:09:01 2 19.64 0.00 1.20 1.70 1.10 76.37 07:09:01 3 6.93 0.00 0.78 0.78 0.73 90.78 Average: all 26.05 0.00 1.45 1.76 1.84 68.90 Average: 0 21.32 0.00 1.10 0.37 1.55 75.65 Average: 1 30.25 0.00 1.59 2.17 1.88 64.12 Average: 2 39.33 0.00 2.02 2.45 2.16 54.04 Average: 3 13.37 0.00 1.10 2.03 1.78 81.72