---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-865 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: 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 676K 1.6G 1% /run /dev/vda1 78G 8.9G 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 613 12681 0 2745 15102 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:7e:c7:dd brd ff:ff:ff:ff:ff:ff inet 10.30.106.235/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:fe7e:c7dd/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-865) 03/02/26 _x86_64_ (4 CPU) 03:04:31 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps bread/s bwrtn/s 03:06:01 123.35 14.50 108.85 312.08 54730.08 03:07:01 117.21 4.52 112.70 127.98 15124.55 03:08:01 14.05 5.22 8.83 407.67 880.65 03:09:01 40.54 2.37 38.18 102.25 6111.11 Average: 73.79 6.65 67.14 237.49 19211.60 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 13883596 15562152 2541372 15.47 69584 1803668 768212 4.40 663268 1654052 250164 03:07:01 13033716 14908352 3391252 20.65 83860 1975904 1424900 8.15 1342824 1801728 14068 03:08:01 12032516 13936984 4392452 26.74 85124 2003380 2358932 13.50 2340368 1800336 9256 03:09:01 12997376 15474404 3427592 20.87 90420 2561916 837348 4.79 1018488 2145164 441100 Average: 12986801 14970473 3438167 20.93 82247 2086217 1347348 7.71 1341237 1850320 178647 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 ens3 120.61 81.49 1151.52 19.97 0.00 0.00 0.00 0.00 03:06:01 lo 1.20 1.20 0.13 0.13 0.00 0.00 0.00 0.00 03:07:01 ens3 363.32 305.80 2591.73 66.42 0.00 0.00 0.00 0.00 03:07:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:08:01 ens3 2100.87 1222.76 513.20 483.46 0.00 0.00 0.00 0.00 03:08:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:09:01 ens3 548.54 370.17 802.50 1835.77 0.00 0.00 0.00 0.00 03:09:01 lo 3.08 3.08 0.28 0.28 0.00 0.00 0.00 0.00 Average: ens3 783.34 495.05 1264.74 601.40 0.00 0.00 0.00 0.00 Average: lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-865) 03/02/26 _x86_64_ (4 CPU) 03:04:31 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 16.25 0.00 1.19 4.00 0.07 78.50 03:06:01 0 38.26 0.00 2.32 1.05 0.08 58.28 03:06:01 1 4.54 0.00 0.57 3.00 0.05 91.84 03:06:01 2 14.89 0.00 0.84 1.30 0.08 82.89 03:06:01 3 7.29 0.00 1.01 10.69 0.05 80.96 03:07:01 all 28.08 0.00 1.67 0.65 0.11 69.49 03:07:01 0 25.45 0.00 1.07 0.28 0.08 73.11 03:07:01 1 31.46 0.00 1.39 0.08 0.10 66.97 03:07:01 2 31.25 0.00 1.77 0.35 0.12 66.52 03:07:01 3 24.13 0.00 2.43 1.90 0.13 71.40 03:08:01 all 33.58 0.00 5.44 0.10 0.08 60.80 03:08:01 0 25.69 0.00 6.97 0.00 0.07 67.27 03:08:01 1 44.85 0.00 9.07 0.07 0.10 45.90 03:08:01 2 37.91 0.00 2.06 0.08 0.10 59.84 03:08:01 3 25.84 0.00 3.66 0.22 0.08 70.20 03:09:01 all 36.30 0.00 2.15 0.30 0.10 61.15 03:09:01 0 42.68 0.00 2.49 0.17 0.08 54.58 03:09:01 1 29.33 0.00 1.14 0.03 0.08 69.41 03:09:01 2 32.55 0.00 2.09 0.82 0.10 64.45 03:09:01 3 40.66 0.00 2.90 0.20 0.08 56.15 Average: all 28.56 0.00 2.61 1.26 0.09 67.48 Average: 0 33.03 0.00 3.21 0.38 0.08 63.30 Average: 1 27.55 0.00 3.04 0.80 0.08 68.53 Average: 2 29.14 0.00 1.69 0.64 0.10 68.43 Average: 3 24.52 0.00 2.50 3.24 0.09 69.65