---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-19950 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 nrip_save 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 8.7G 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 559 12947 0 2533 15161 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:13:bb:29 brd ff:ff:ff:ff:ff:ff inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe13:bb29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-19950) 04/02/24 _x86_64_ (4 CPU) 03:04:33 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:03 122.11 13.76 108.35 991.97 26806.73 03:07:01 103.84 15.03 88.81 388.21 26596.52 03:08:01 36.34 5.27 31.08 406.47 19030.03 Average: 87.25 11.31 75.94 597.88 24116.88 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:03 13890924 15536244 2534036 15.43 67968 1773024 817532 4.68 700500 1608644 109300 03:07:01 13029112 14847728 3395848 20.67 79468 1927732 1487964 8.52 1421952 1732588 7768 03:08:01 13305068 15551256 3119892 18.99 83068 2343656 756256 4.33 889092 1976128 363448 Average: 13408368 15311743 3016592 18.37 76835 2014804 1020584 5.84 1003848 1772453 160172 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:03 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 03:06:03 ens3 52.09 36.58 849.81 7.87 0.00 0.00 0.00 0.00 03:07:01 lo 0.41 0.41 0.03 0.03 0.00 0.00 0.00 0.00 03:07:01 ens3 373.21 319.53 2241.50 88.10 0.00 0.00 0.00 0.00 03:08:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 03:08:01 ens3 1832.66 1402.78 1137.62 540.30 0.00 0.00 0.00 0.00 Average: lo 0.76 0.76 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 756.92 589.29 1400.30 213.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-19950) 04/02/24 _x86_64_ (4 CPU) 03:04:33 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:03 all 19.51 0.00 1.40 4.54 0.05 74.50 03:06:03 0 24.76 0.00 1.45 4.59 0.07 69.13 03:06:03 1 23.37 0.00 1.37 6.73 0.05 68.47 03:06:03 2 6.90 0.00 1.10 4.39 0.03 87.58 03:06:03 3 23.04 0.00 1.69 2.44 0.05 72.78 03:07:01 all 34.60 0.00 1.32 1.50 0.08 62.51 03:07:01 0 26.02 0.00 0.85 0.36 0.07 72.70 03:07:01 1 61.40 0.00 1.96 3.27 0.12 33.25 03:07:01 2 26.62 0.00 1.16 0.74 0.07 71.41 03:07:01 3 24.55 0.00 1.31 1.60 0.07 72.47 03:08:01 all 28.55 0.00 6.57 1.33 0.08 63.47 03:08:01 0 30.01 0.00 7.75 0.08 0.07 62.09 03:08:01 1 29.08 0.00 5.80 5.11 0.08 59.93 03:08:01 2 30.82 0.00 9.75 0.13 0.08 59.21 03:08:01 3 24.34 0.00 2.98 0.02 0.07 72.60 Average: all 27.48 0.00 3.11 2.47 0.07 66.87 Average: 0 26.94 0.00 3.38 1.70 0.07 67.92 Average: 1 37.66 0.00 3.06 5.06 0.08 54.14 Average: 2 21.39 0.00 4.04 1.77 0.06 72.75 Average: 3 23.97 0.00 2.00 1.35 0.06 72.62