---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-189 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 7.7G 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 419 1233 0 2291 3257 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:b7:a4:8a brd ff:ff:ff:ff:ff:ff inet 10.32.7.170/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85937sec preferred_lft 85937sec inet6 fe80::f816:3eff:feb7:a48a/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-189) 07/12/25 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:02 113.03 54.12 58.91 3546.34 5085.55 05:17:01 73.89 20.32 53.57 1357.46 9061.51 05:18:01 45.52 9.91 35.60 322.03 6405.86 05:19:01 8.63 0.00 8.63 0.00 367.94 05:20:01 35.21 10.45 24.76 721.88 3081.89 05:21:01 35.17 3.88 31.29 114.10 2981.54 05:22:01 20.76 0.65 20.11 77.44 4551.68 Average: 47.39 14.18 33.22 875.84 4494.28 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:02 1867172 3308644 2171472 53.77 37084 1568148 676364 13.30 587368 1427552 88844 05:17:01 1661744 3365344 2376900 58.85 56980 1794652 695296 13.67 542324 1646424 133788 05:18:01 1401148 3166520 2637496 65.31 58944 1852912 790312 15.54 747632 1698672 1820 05:19:01 1382196 3154752 2656448 65.78 60744 1857284 794280 15.61 761476 1701752 2444 05:20:01 564580 2444692 3474064 86.02 62804 1959568 1459624 28.69 1501508 1765996 40 05:21:01 1224920 3290604 2813724 69.67 67476 2136076 666532 13.10 736104 1867568 116448 05:22:01 1255964 3326872 2782680 68.90 68984 2139336 625720 12.30 704948 1866892 11168 Average: 1336818 3151061 2701826 66.90 59002 1901139 815447 16.03 797337 1710694 50650 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:02 ens3 362.61 191.08 1413.04 62.93 0.00 0.00 0.00 0.00 05:16:02 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 05:17:01 ens3 44.65 31.96 424.17 10.23 0.00 0.00 0.00 0.00 05:17:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 05:18:01 ens3 97.53 113.91 799.33 17.48 0.00 0.00 0.00 0.00 05:18:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 05:19:01 ens3 86.37 126.51 73.82 19.61 0.00 0.00 0.00 0.00 05:19:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 05:20:01 ens3 165.89 170.47 1303.65 25.65 0.00 0.00 0.00 0.00 05:20:01 lo 69.52 69.52 25.96 25.96 0.00 0.00 0.00 0.00 05:21:01 ens3 212.33 236.30 1110.61 45.18 0.00 0.00 0.00 0.00 05:21:01 lo 51.38 51.38 10.49 10.49 0.00 0.00 0.00 0.00 05:22:01 ens3 8.15 8.28 6.86 4.17 0.00 0.00 0.00 0.00 05:22:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 139.87 125.73 733.80 26.50 0.00 0.00 0.00 0.00 Average: lo 17.81 17.81 5.27 5.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-189) 07/12/25 _x86_64_ (4 CPU) 05:14:50 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:02 all 21.50 0.00 1.68 3.94 3.03 69.85 05:16:02 0 20.53 0.00 1.55 4.77 2.74 70.41 05:16:02 1 32.72 0.00 1.84 2.33 3.09 60.02 05:16:02 2 11.72 0.00 2.00 6.59 3.94 75.74 05:16:02 3 21.17 0.00 1.31 2.00 2.37 73.14 05:17:01 all 20.74 0.00 1.32 2.31 2.60 73.03 05:17:01 0 15.14 0.00 0.92 5.79 2.34 75.80 05:17:01 1 35.90 0.00 2.19 1.34 3.38 57.19 05:17:01 2 14.30 0.00 1.07 0.97 2.44 81.22 05:17:01 3 17.61 0.00 1.14 1.12 2.21 77.91 05:18:01 all 12.67 0.00 0.69 0.82 2.87 82.95 05:18:01 0 11.94 0.00 0.67 0.26 2.58 84.55 05:18:01 1 7.81 0.00 0.58 0.30 2.14 89.17 05:18:01 2 17.04 0.00 1.03 0.23 4.18 77.52 05:18:01 3 13.84 0.00 0.48 2.52 2.56 80.61 05:19:01 all 4.92 0.00 0.36 0.05 1.63 93.04 05:19:01 0 5.78 0.00 0.41 0.00 1.60 92.20 05:19:01 1 4.68 0.00 0.28 0.00 1.34 93.70 05:19:01 2 3.87 0.00 0.48 0.18 2.17 93.30 05:19:01 3 5.35 0.00 0.26 0.00 1.41 92.98 05:20:01 all 45.76 0.00 1.57 0.68 7.26 44.73 05:20:01 0 43.88 0.00 1.76 0.51 7.35 46.50 05:20:01 1 51.49 0.00 1.28 0.20 6.96 40.07 05:20:01 2 43.37 0.00 1.48 0.67 7.34 47.13 05:20:01 3 44.31 0.00 1.80 1.38 7.37 45.15 05:21:01 all 24.07 0.00 1.35 0.50 3.18 70.90 05:21:01 0 19.77 0.00 0.71 0.02 2.43 77.08 05:21:01 1 15.69 0.00 1.09 0.31 2.77 80.15 05:21:01 2 38.35 0.00 1.79 1.15 3.95 54.76 05:21:01 3 22.44 0.00 1.74 0.49 3.59 71.74 05:22:01 all 13.31 0.00 0.68 0.80 1.35 83.87 05:22:01 0 26.04 0.00 0.78 0.22 1.31 71.64 05:22:01 1 0.23 0.00 0.13 0.00 1.27 98.37 05:22:01 2 6.11 0.00 0.68 0.48 1.37 91.37 05:22:01 3 20.99 0.00 1.16 2.51 1.43 73.92 Average: all 20.46 0.00 1.09 1.30 3.14 74.01 Average: 0 20.47 0.00 0.97 1.64 2.92 73.99 Average: 1 21.21 0.00 1.05 0.64 3.00 74.10 Average: 2 19.29 0.00 1.22 1.47 3.64 74.37 Average: 3 20.86 0.00 1.13 1.43 3.00 73.58