---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5028 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: 2800.012 BogoMIPS: 5600.02 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 9.6G 68G 13% / 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 571 11866 0 3602 15138 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:cf:ce:e3 brd ff:ff:ff:ff:ff:ff inet 10.30.106.203/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86098sec preferred_lft 86098sec inet6 fe80::f816:3eff:fecf:cee3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5028) 11/02/26 _x86_64_ (4 CPU) 11:36:31 LINUX RESTART (4 CPU) 11:37:02 tps rtps wtps bread/s bwrtn/s 11:38:01 170.87 32.57 138.31 1744.76 42508.03 11:39:01 124.21 16.78 107.43 945.98 39391.97 11:40:01 194.15 2.18 191.97 60.25 20316.43 11:41:01 31.03 3.95 27.08 128.51 10810.33 Average: 129.90 13.79 116.11 715.60 28197.34 11:37:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:38:01 13495044 15410268 2929916 17.84 73096 2030360 922564 5.28 813556 1876260 238200 11:39:01 10200072 12436580 6224888 37.90 81036 2329260 4168240 23.85 3861956 2087280 131100 11:40:01 8686464 11595872 7738496 47.11 92572 2928024 4570444 26.16 4912816 2478040 159312 11:41:01 12122576 15466360 4302384 26.19 95044 3345916 819608 4.69 1307968 2641580 280676 Average: 11126039 13727270 5298921 32.26 85437 2658390 2620214 15.00 2724074 2270790 202322 11:37:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:38:01 ens3 163.94 107.66 1872.71 29.83 0.00 0.00 0.00 0.00 11:38:01 lo 1.15 1.15 0.14 0.14 0.00 0.00 0.00 0.00 11:39:01 ens3 393.42 252.06 2167.67 68.66 0.00 0.00 0.00 0.00 11:39:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 11:40:01 ens3 324.53 190.89 1051.91 63.70 0.00 0.00 0.00 0.00 11:40:01 lo 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 11:41:01 ens3 208.68 121.86 340.06 47.04 0.00 0.00 0.00 0.00 11:41:01 lo 1.57 1.57 13.55 13.55 0.00 0.00 0.00 0.00 Average: ens3 273.09 168.37 1355.94 52.40 0.00 0.00 0.00 0.00 Average: lo 0.74 0.74 3.44 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5028) 11/02/26 _x86_64_ (4 CPU) 11:36:31 LINUX RESTART (4 CPU) 11:37:02 CPU %user %nice %system %iowait %steal %idle 11:38:01 all 23.21 0.00 1.74 2.62 0.02 72.42 11:38:01 0 10.18 0.00 1.07 3.78 0.00 84.97 11:38:01 1 28.25 0.00 1.96 2.03 0.03 67.72 11:38:01 2 33.83 0.00 2.27 2.31 0.02 61.57 11:38:01 3 20.58 0.00 1.65 2.34 0.02 75.41 11:39:01 all 63.70 0.00 2.05 0.61 0.05 33.59 11:39:01 0 64.62 0.00 1.49 0.62 0.03 33.24 11:39:01 1 54.44 0.00 2.56 0.90 0.07 42.03 11:39:01 2 73.24 0.00 3.01 0.82 0.05 22.87 11:39:01 3 62.54 0.00 1.11 0.08 0.05 36.23 11:40:01 all 56.06 0.00 2.47 0.71 0.05 40.72 11:40:01 0 41.73 0.00 1.79 1.27 0.03 55.18 11:40:01 1 71.41 0.00 4.11 0.82 0.07 23.59 11:40:01 2 59.82 0.00 2.17 0.64 0.05 37.32 11:40:01 3 51.25 0.00 1.82 0.10 0.03 46.79 11:41:01 all 58.15 0.00 2.71 0.13 0.05 38.97 11:41:01 0 49.35 0.00 2.78 0.07 0.03 47.77 11:41:01 1 59.88 0.00 2.50 0.08 0.03 37.50 11:41:01 2 68.15 0.00 2.90 0.10 0.07 28.79 11:41:01 3 55.26 0.00 2.70 0.28 0.05 41.71 Average: all 50.39 0.00 2.24 1.01 0.04 46.32 Average: 0 41.60 0.00 1.78 1.42 0.03 55.17 Average: 1 53.63 0.00 2.79 0.95 0.05 42.58 Average: 2 58.85 0.00 2.59 0.96 0.05 37.55 Average: 3 47.50 0.00 1.82 0.70 0.04 49.94