---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-198 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 443 1352 0 2147 3237 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:be:91:b1 brd ff:ff:ff:ff:ff:ff inet 10.32.7.34/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:febe:91b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-198) 07/12/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 167.07 82.92 84.15 4899.18 40234.38 07:07:01 54.17 0.22 53.96 26.66 9198.87 07:08:01 93.90 37.46 56.44 2131.78 8206.90 07:09:01 22.26 1.30 20.96 65.06 4790.53 Average: 84.35 30.47 53.88 1780.67 15607.67 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1929324 3340380 2109320 52.23 36380 1539076 629900 12.38 555824 1399844 72656 07:07:01 1671752 3327096 2366892 58.61 55888 1747916 625860 12.30 571076 1608312 123544 07:08:01 1377708 3300228 2660936 65.89 62680 2003068 632260 12.43 727124 1736916 117196 07:09:01 1420004 3348852 2618640 64.84 64544 2007008 577036 11.34 685000 1735344 10304 Average: 1599697 3329139 2438947 60.39 54873 1824267 616264 12.11 634756 1620104 80925 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 296.77 176.27 1238.88 61.69 0.00 0.00 0.00 0.00 07:06:01 lo 1.60 1.60 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 37.13 29.26 521.70 3.99 0.00 0.00 0.00 0.00 07:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 07:08:01 ens3 271.47 280.82 1417.17 61.54 0.00 0.00 0.00 0.00 07:08:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 51.16 63.96 27.91 608.20 0.00 0.00 0.00 0.00 07:09:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 164.13 137.58 801.42 183.85 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-198) 07/12/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.43 0.00 2.73 6.30 3.50 66.04 07:06:01 0 24.19 0.00 1.47 7.46 3.35 63.53 07:06:01 1 35.26 0.00 2.57 3.48 3.38 55.32 07:06:01 2 9.16 0.00 4.78 6.13 3.69 76.25 07:06:01 3 17.31 0.00 2.07 8.13 3.55 68.94 07:07:01 all 19.56 0.00 1.42 2.36 2.25 74.41 07:07:01 0 4.32 0.00 0.99 7.17 1.73 85.80 07:07:01 1 42.23 0.00 1.99 0.83 2.57 52.39 07:07:01 2 5.14 0.00 0.93 1.01 3.07 89.86 07:07:01 3 26.94 0.00 1.78 0.41 1.64 69.23 07:08:01 all 34.83 0.00 2.00 2.07 6.00 55.11 07:08:01 0 31.53 0.00 1.65 1.42 5.85 59.56 07:08:01 1 29.04 0.00 2.01 2.15 5.51 61.28 07:08:01 2 37.50 0.00 2.59 3.02 6.65 50.24 07:08:01 3 41.26 0.00 1.75 1.70 5.95 49.34 07:09:01 all 20.18 0.00 0.93 1.07 1.89 75.93 07:09:01 0 1.21 0.00 0.43 1.44 0.56 96.35 07:09:01 1 26.36 0.00 0.91 0.89 2.17 69.67 07:09:01 2 34.19 0.00 1.27 0.50 2.31 61.73 07:09:01 3 18.84 0.00 1.13 1.41 2.54 76.07 Average: all 24.03 0.00 1.77 2.95 3.42 67.84 Average: 0 15.36 0.00 1.14 4.37 2.88 76.26 Average: 1 33.21 0.00 1.87 1.84 3.41 59.67 Average: 2 21.45 0.00 2.39 2.66 3.94 69.55 Average: 3 26.10 0.00 1.68 2.92 3.43 65.87