---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-352 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: 2799.998 BogoMIPS: 5599.99 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 7.9G 12G 42% / 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 4936 0 2576 7225 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:c0:64:6d brd ff:ff:ff:ff:ff:ff inet 10.32.7.75/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85914sec preferred_lft 85914sec inet6 fe80::f816:3eff:fec0:646d/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-352) 04/11/26 _x86_64_ (4 CPU) 22:55:00 LINUX RESTART (4 CPU) 22:56:01 tps rtps wtps bread/s bwrtn/s 22:57:01 85.57 29.73 55.84 1657.19 8863.72 22:58:01 33.81 0.17 33.64 2.40 12734.54 22:59:01 9.67 0.02 9.65 0.13 393.67 23:00:01 38.74 10.50 28.25 731.74 3639.93 23:01:01 1.38 0.03 1.35 0.27 30.00 23:02:01 37.41 3.82 33.59 111.18 2921.11 23:03:01 27.38 3.28 24.10 161.71 5961.14 Average: 33.42 6.79 26.63 380.66 4934.87 22:56:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:57:01 5609124 7308740 2558296 31.32 56776 1807228 848100 9.20 730628 1633276 94340 22:58:01 5246508 7231692 2920912 35.76 58940 2085760 839712 9.11 806700 1909760 2444 22:59:01 5229032 7222148 2938388 35.98 60972 2090500 848324 9.20 817912 1913104 3100 23:00:01 4178604 6295716 3988816 48.84 63072 2208860 1665688 18.07 1777392 1992472 472 23:01:01 4142516 6259752 4024904 49.28 63108 2208876 1681788 18.25 1815368 1990080 52 23:02:01 5016968 7353116 3150452 38.57 67532 2418948 734324 7.97 796408 2130728 148220 23:03:01 5066320 7410780 3101100 37.97 69932 2424132 679896 7.38 745596 2130468 9352 Average: 4927010 7011706 3240410 39.67 62905 2177758 1042547 11.31 1070001 1957127 36854 22:56:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:57:01 ens3 73.42 60.72 459.90 16.38 0.00 0.00 0.00 0.00 22:57:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 22:58:01 ens3 221.01 180.87 4649.16 22.33 0.00 0.00 0.00 0.00 22:58:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:59:01 ens3 83.75 123.51 74.71 19.41 0.00 0.00 0.00 0.00 22:59:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 23:00:01 ens3 201.28 205.95 1563.67 30.45 0.00 0.00 0.00 0.00 23:00:01 lo 5.33 5.33 2.14 2.14 0.00 0.00 0.00 0.00 23:01:01 ens3 23.60 9.27 9.38 3.73 0.00 0.00 0.00 0.00 23:01:01 lo 13.98 13.98 3.51 3.51 0.00 0.00 0.00 0.00 23:02:01 ens3 198.68 234.34 1108.55 42.33 0.00 0.00 0.00 0.00 23:02:01 lo 11.06 11.06 2.40 2.40 0.00 0.00 0.00 0.00 23:03:01 ens3 12.31 13.83 9.23 11.36 0.00 0.00 0.00 0.00 23:03:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 116.29 118.36 1124.94 20.86 0.00 0.00 0.00 0.00 Average: lo 4.73 4.73 1.19 1.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-352) 04/11/26 _x86_64_ (4 CPU) 22:55:00 LINUX RESTART (4 CPU) 22:56:01 CPU %user %nice %system %iowait %steal %idle 22:57:01 all 22.80 0.00 1.36 1.88 0.98 72.98 22:57:01 0 7.97 0.00 0.37 2.11 0.72 88.83 22:57:01 1 12.43 0.00 1.03 4.12 0.73 81.68 22:57:01 2 44.24 0.00 2.42 0.68 1.45 51.21 22:57:01 3 26.53 0.00 1.60 0.63 1.00 70.23 22:58:01 all 10.00 0.00 0.61 0.68 0.41 88.31 22:58:01 0 6.25 0.00 0.62 0.35 0.34 92.44 22:58:01 1 12.04 0.00 0.82 1.57 0.35 85.22 22:58:01 2 16.51 0.00 0.62 0.18 0.63 82.05 22:58:01 3 5.18 0.00 0.40 0.58 0.33 93.50 22:59:01 all 4.76 0.00 0.28 0.04 0.23 94.69 22:59:01 0 7.93 0.00 0.76 0.00 0.20 91.11 22:59:01 1 2.35 0.00 0.13 0.07 0.13 97.32 22:59:01 2 2.70 0.00 0.07 0.12 0.17 96.95 22:59:01 3 6.11 0.00 0.12 0.00 0.43 93.33 23:00:01 all 39.66 0.00 1.40 0.67 2.43 55.83 23:00:01 0 32.98 0.00 1.45 0.65 2.51 62.41 23:00:01 1 46.46 0.00 1.22 0.60 2.33 49.39 23:00:01 2 41.44 0.00 1.38 1.23 2.62 53.32 23:00:01 3 37.77 0.00 1.58 0.20 2.26 58.19 23:01:01 all 4.18 0.00 0.36 0.01 0.33 95.12 23:01:01 0 4.64 0.00 0.50 0.03 0.40 94.43 23:01:01 1 3.41 0.00 0.33 0.00 0.25 96.01 23:01:01 2 3.72 0.00 0.35 0.00 0.38 95.55 23:01:01 3 4.95 0.00 0.25 0.00 0.31 94.49 23:02:01 all 22.14 0.00 1.20 0.48 1.20 74.97 23:02:01 0 17.04 0.00 1.42 0.67 0.98 79.90 23:02:01 1 32.27 0.00 0.98 1.00 1.42 64.33 23:02:01 2 19.78 0.00 0.95 0.25 1.08 77.94 23:02:01 3 19.50 0.00 1.48 0.02 1.33 77.69 23:03:01 all 21.21 0.00 0.92 0.53 0.75 76.60 23:03:01 0 6.23 0.00 0.62 0.02 0.48 92.66 23:03:01 1 11.53 0.00 1.03 1.97 0.43 85.04 23:03:01 2 48.62 0.00 1.10 0.07 1.30 48.92 23:03:01 3 18.46 0.00 0.93 0.03 0.75 79.83 Average: all 17.83 0.00 0.87 0.61 0.91 79.78 Average: 0 11.88 0.00 0.82 0.55 0.81 85.95 Average: 1 17.22 0.00 0.79 1.33 0.81 79.85 Average: 2 25.29 0.00 0.98 0.36 1.09 72.28 Average: 3 16.93 0.00 0.91 0.21 0.92 81.04