---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-557 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 694 10131 4 5163 14952 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:9c:4b:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83925sec preferred_lft 83925sec inet6 fe80::f816:3eff:fe9c:4b64/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:45:c7:8e:dc:fa brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-557) 07/30/26 _x86_64_ (4 CPU) 06:37:37 LINUX RESTART (4 CPU) 06:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:08 20.02 0.39 5.83 13.80 231.67 1096.96 271711.21 07:00:01 12.68 1.95 10.12 0.61 125.50 2510.43 1219.08 07:10:08 21.90 0.77 18.58 2.56 27.65 3107.31 3595.73 Average: 18.24 1.03 11.54 5.66 127.92 2240.37 92197.66 06:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:08 12670304 15485648 482344 2.95 105568 2895048 1004700 5.77 428456 2929040 136 07:00:01 10383136 13986284 1972244 12.05 134620 3590184 2378532 13.65 629272 4980660 19204 07:10:08 8511092 13076864 2873472 17.55 171484 4437184 3061572 17.57 859340 6530796 110044 Average: 10521511 14182932 1776020 10.85 137224 3640805 2148268 12.33 639023 4813499 43128 06:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:08 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 06:50:08 ens3 49.88 30.88 507.27 2.57 0.00 0.00 0.00 0.00 06:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 07:00:01 ens3 88.25 66.95 629.58 14.47 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:08 lo 1040.78 1040.78 991.91 991.91 0.00 0.00 0.00 0.00 07:10:08 ens3 83.41 62.43 326.43 18.22 0.00 0.00 0.00 0.00 07:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 351.11 351.11 334.34 334.34 0.00 0.00 0.00 0.00 Average: ens3 73.83 53.40 486.63 11.76 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-557) 07/30/26 _x86_64_ (4 CPU) 06:37:37 LINUX RESTART (4 CPU) 06:40:08 CPU %user %nice %system %iowait %steal %idle 06:50:08 all 0.56 0.00 0.20 0.15 0.01 99.08 06:50:08 0 0.30 0.00 0.15 0.18 0.01 99.37 06:50:08 1 0.70 0.00 0.24 0.04 0.02 99.00 06:50:08 2 0.59 0.00 0.23 0.07 0.01 99.10 06:50:08 3 0.64 0.00 0.16 0.34 0.01 98.85 07:00:01 all 46.17 0.00 1.51 0.04 0.09 52.19 07:00:01 0 46.33 0.00 1.46 0.02 0.09 52.10 07:00:01 1 46.20 0.00 1.89 0.05 0.10 51.76 07:00:01 2 45.20 0.00 1.29 0.01 0.09 53.41 07:00:01 3 46.93 0.00 1.40 0.07 0.09 51.50 07:10:08 all 69.66 0.00 2.64 0.06 0.13 27.51 07:10:08 0 71.05 0.00 3.04 0.05 0.13 25.73 07:10:08 1 68.45 0.00 2.44 0.03 0.13 28.94 07:10:08 2 70.39 0.00 2.67 0.04 0.13 26.77 07:10:08 3 68.76 0.00 2.43 0.10 0.13 28.59 Average: all 38.86 0.00 1.45 0.08 0.08 59.53 Average: 0 39.30 0.00 1.55 0.08 0.08 58.99 Average: 1 38.51 0.00 1.53 0.04 0.09 59.84 Average: 2 38.79 0.00 1.40 0.04 0.08 59.69 Average: 3 38.83 0.00 1.33 0.17 0.08 59.59