---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-202 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 411 1310 0 2222 3266 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:0c:94:ac brd ff:ff:ff:ff:ff:ff inet 10.32.7.186/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86106sec preferred_lft 86106sec inet6 fe80::f816:3eff:fe0c:94ac/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-202) 07/12/25 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 184.36 103.77 80.59 5364.08 39886.05 08:15:01 56.34 0.22 56.12 26.66 9288.99 08:16:01 97.57 37.96 59.61 2251.22 9828.63 08:17:01 36.88 2.15 34.73 117.71 4802.93 Average: 93.79 36.03 57.76 1940.06 15952.65 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 1986248 3378732 2052396 50.82 35148 1522220 599216 11.78 513804 1383272 65240 08:15:01 1710016 3348040 2328628 57.66 54088 1734868 615436 12.10 556836 1587552 112116 08:16:01 818928 2691768 3219716 79.72 62884 1952376 1261256 24.79 1247368 1768612 5392 08:17:01 1323160 3323636 2715484 67.24 67760 2072168 616468 12.12 684472 1823516 26740 Average: 1459588 3185544 2579056 63.86 54970 1820408 773094 15.20 750620 1640738 52372 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 306.16 176.17 1099.33 62.00 0.00 0.00 0.00 0.00 08:14:01 lo 2.13 2.13 0.20 0.20 0.00 0.00 0.00 0.00 08:15:01 ens3 42.49 32.56 629.48 4.58 0.00 0.00 0.00 0.00 08:15:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 08:16:01 ens3 330.84 343.99 2260.11 66.28 0.00 0.00 0.00 0.00 08:16:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 08:17:01 ens3 156.84 188.22 851.08 33.70 0.00 0.00 0.00 0.00 08:17:01 lo 1.33 1.33 0.18 0.18 0.00 0.00 0.00 0.00 Average: ens3 209.09 185.24 1210.00 41.64 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-202) 07/12/25 _x86_64_ (4 CPU) 08:12:58 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 20.23 0.00 3.08 7.10 2.70 66.89 08:14:01 0 23.08 0.00 4.97 3.77 2.45 65.74 08:14:01 1 32.78 0.00 2.86 5.43 2.48 56.45 08:14:01 2 11.43 0.00 1.63 5.47 2.95 78.52 08:14:01 3 13.74 0.00 2.84 13.70 2.94 66.78 08:15:01 all 19.47 0.00 1.27 2.54 1.26 75.45 08:15:01 0 32.75 0.00 1.66 0.40 1.28 63.91 08:15:01 1 27.88 0.00 1.78 0.33 1.07 68.93 08:15:01 2 16.87 0.00 1.03 3.08 1.43 77.59 08:15:01 3 0.50 0.00 0.60 6.31 1.29 91.31 08:16:01 all 40.15 0.00 2.18 1.68 5.11 50.89 08:16:01 0 42.58 0.00 2.37 1.96 5.30 47.79 08:16:01 1 40.25 0.00 2.21 0.94 4.95 51.64 08:16:01 2 36.88 0.00 1.77 0.87 4.59 55.90 08:16:01 3 40.86 0.00 2.40 2.95 5.58 48.20 08:17:01 all 25.40 0.00 1.45 0.88 2.55 69.72 08:17:01 0 15.31 0.00 0.94 2.72 2.54 78.49 08:17:01 1 23.89 0.00 1.23 0.10 1.81 72.96 08:17:01 2 13.22 0.00 1.58 0.10 2.34 82.77 08:17:01 3 49.22 0.00 2.05 0.61 3.52 44.60 Average: all 26.33 0.00 1.99 3.05 2.91 65.72 Average: 0 28.44 0.00 2.48 2.21 2.90 63.97 Average: 1 31.22 0.00 2.02 1.70 2.58 62.47 Average: 2 19.59 0.00 1.50 2.38 2.83 73.70 Average: 3 26.10 0.00 1.97 5.89 3.34 62.69