---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7279 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.2G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 604 12233 0 3201 15105 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:8e:89:ef brd ff:ff:ff:ff:ff:ff inet 10.30.106.194/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86064sec preferred_lft 86064sec inet6 fe80::f816:3eff:fe8e:89ef/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7279) 10/05/26 _x86_64_ (4 CPU) 16:09:35 LINUX RESTART (4 CPU) 16:10:01 tps rtps wtps bread/s bwrtn/s 16:11:01 336.13 38.74 297.38 1322.05 51074.15 16:12:01 534.96 16.86 518.10 1257.26 34410.66 16:13:01 8.35 0.00 8.35 0.00 1364.97 16:14:01 2.43 0.00 2.43 0.00 197.57 16:15:01 30.63 3.33 27.30 161.04 4311.15 Average: 182.50 11.79 170.71 548.07 18271.70 16:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:11:01 13218280 15189120 3206680 19.52 80688 2074104 1477252 8.45 1041160 1913896 272164 16:12:01 11604720 14352428 4820240 29.35 129372 2714076 2352600 13.46 1974712 2475788 20616 16:13:01 9996932 12763208 6428028 39.14 129940 2729672 3978936 22.77 3543356 2489552 3352 16:14:01 10165188 12932964 6259772 38.11 130004 2731296 3803492 21.77 3375888 2491176 108 16:15:01 12517680 15455492 3907280 23.79 133036 2889516 857468 4.91 930284 2610844 62524 Average: 11500560 14138642 4924400 29.98 120608 2627733 2493950 14.27 2173080 2396251 71753 16:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:11:01 lo 1.47 1.47 0.18 0.18 0.00 0.00 0.00 0.00 16:11:01 ens3 153.22 104.00 2221.02 16.62 0.00 0.00 0.00 0.00 16:12:01 lo 3.80 3.80 0.71 0.71 0.00 0.00 0.00 0.00 16:12:01 ens3 300.65 163.31 1458.54 21.02 0.00 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 ens3 1.28 0.50 1.78 0.04 0.00 0.00 0.00 0.00 16:14:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 16:14:01 ens3 0.72 0.62 0.32 0.87 0.00 0.00 0.00 0.00 16:15:01 lo 0.33 0.33 0.04 0.04 0.00 0.00 0.00 0.00 16:15:01 ens3 52.51 46.38 399.50 11.23 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.19 0.19 0.00 0.00 0.00 0.00 Average: ens3 101.68 62.96 816.23 9.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-7279) 10/05/26 _x86_64_ (4 CPU) 16:09:35 LINUX RESTART (4 CPU) 16:10:01 CPU %user %nice %system %iowait %steal %idle 16:11:01 all 22.46 0.00 1.82 2.94 0.02 72.77 16:11:01 0 15.10 0.00 0.73 3.41 0.02 80.74 16:11:01 1 29.70 0.00 2.26 3.70 0.02 64.32 16:11:01 2 25.88 0.00 1.89 3.49 0.02 68.73 16:11:01 3 19.16 0.00 2.39 1.15 0.02 77.28 16:12:01 all 32.29 0.00 3.36 1.25 0.02 63.09 16:12:01 0 42.15 0.00 5.44 0.53 0.02 51.85 16:12:01 1 31.62 0.00 2.66 1.42 0.02 64.27 16:12:01 2 33.99 0.00 2.59 1.66 0.02 61.75 16:12:01 3 21.34 0.00 2.73 1.39 0.00 74.54 16:13:01 all 40.10 0.00 0.95 0.03 0.02 58.90 16:13:01 0 32.59 0.00 0.98 0.00 0.02 66.41 16:13:01 1 50.56 0.00 1.06 0.05 0.02 48.32 16:13:01 2 35.41 0.00 0.85 0.05 0.00 63.68 16:13:01 3 41.89 0.00 0.90 0.00 0.03 57.17 16:14:01 all 39.45 0.00 0.40 0.02 0.02 60.12 16:14:01 0 53.71 0.00 0.43 0.00 0.03 45.82 16:14:01 1 39.94 0.00 0.38 0.02 0.02 59.65 16:14:01 2 31.27 0.00 0.50 0.05 0.02 68.17 16:14:01 3 32.86 0.00 0.30 0.00 0.00 66.84 16:15:01 all 26.90 0.00 1.28 0.16 0.02 71.64 16:15:01 0 33.53 0.00 1.65 0.32 0.03 64.47 16:15:01 1 20.38 0.00 1.44 0.12 0.02 78.05 16:15:01 2 16.84 0.00 0.79 0.20 0.02 82.16 16:15:01 3 36.82 0.00 1.23 0.02 0.02 61.91 Average: all 32.24 0.00 1.56 0.88 0.02 65.31 Average: 0 35.41 0.00 1.85 0.85 0.02 61.86 Average: 1 34.43 0.00 1.56 1.06 0.02 62.93 Average: 2 28.68 0.00 1.32 1.09 0.01 68.90 Average: 3 30.42 0.00 1.51 0.51 0.01 67.54