---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14665 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 12G 67G 15% / 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 726 9650 4 5612 14920 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:94:85:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84581sec preferred_lft 84581sec inet6 fe80::f816:3eff:fe94:8585/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:5a:32:16:b8:35 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-14665) 05/14/26 _x86_64_ (4 CPU) 12:36:40 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:16 25.82 2.54 21.19 2.09 142.78 4840.03 13146.26 13:00:16 33.00 0.04 29.71 3.25 1.57 6219.56 21793.95 Average: 29.37 1.31 25.40 2.66 73.04 5521.41 17417.56 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:16 9548292 13250728 2705640 16.52 155412 3637356 3056324 17.54 716268 5692284 24872 13:00:16 7415796 12560888 3388724 20.70 187948 4973304 3585432 20.58 1027576 7423272 14044 Average: 8482044 12905808 3047182 18.61 171680 4305330 3320878 19.06 871922 6557778 19458 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:16 lo 845.47 845.47 805.55 805.55 0.00 0.00 0.00 0.00 12:50:16 ens3 102.75 78.84 674.63 17.43 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:16 lo 1371.72 1371.72 1307.51 1307.51 0.00 0.00 0.00 0.00 13:00:16 ens3 58.25 44.64 234.65 13.06 0.00 0.00 0.00 0.00 13:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.40 1105.40 1053.48 1053.48 0.00 0.00 0.00 0.00 Average: ens3 80.77 61.95 457.31 15.27 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-14665) 05/14/26 _x86_64_ (4 CPU) 12:36:40 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:16 all 66.39 0.00 2.24 0.07 0.11 31.20 12:50:16 0 67.08 0.00 2.39 0.11 0.11 30.31 12:50:16 1 65.12 0.00 2.34 0.05 0.11 32.38 12:50:16 2 64.60 0.00 1.84 0.05 0.10 33.40 12:50:16 3 68.75 0.00 2.38 0.05 0.11 28.71 13:00:16 all 57.97 0.00 2.27 0.06 0.10 39.59 13:00:16 0 57.15 0.00 2.48 0.09 0.10 40.19 13:00:16 1 57.09 0.00 2.16 0.08 0.10 40.57 13:00:16 2 60.25 0.00 2.25 0.05 0.10 37.35 13:00:16 3 57.40 0.00 2.20 0.05 0.10 40.26 Average: all 62.23 0.00 2.26 0.06 0.10 35.35 Average: 0 62.17 0.00 2.44 0.10 0.10 35.19 Average: 1 61.16 0.00 2.25 0.06 0.10 36.43 Average: 2 62.45 0.00 2.04 0.05 0.10 35.35 Average: 3 63.14 0.00 2.29 0.05 0.10 34.42