---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9633 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: 5600.00 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 68G 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 676 10588 4 4724 14969 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:84:4f:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84875sec preferred_lft 84875sec inet6 fe80::f816:3eff:fe84:4f15/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:6d:f8:2b:e7:d4 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-9633) 04/29/26 _x86_64_ (4 CPU) 11:48:01 LINUX RESTART (4 CPU) 11:50:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:01 14.57 2.11 11.36 1.10 137.05 3250.48 2645.41 12:10:18 29.47 1.05 24.14 4.29 34.27 4259.93 11433.07 Average: 22.26 1.56 17.95 2.74 84.02 3771.34 7179.66 11:50:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:01 10504568 13865892 2093436 12.79 138380 3341764 2544024 14.60 579064 4902320 24068 12:10:18 10919896 15397436 553856 3.38 170512 4346400 1098620 6.31 891920 4078116 252 Average: 10712232 14631664 1323646 8.08 154446 3844082 1821322 10.45 735492 4490218 12160 11:50:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 12:00:01 ens3 103.14 79.51 599.55 19.77 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:18 lo 1669.89 1669.89 1587.59 1587.59 0.00 0.00 0.00 0.00 12:10:18 ens3 95.86 77.79 419.74 71.08 0.00 0.00 0.00 0.00 12:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 862.30 862.30 819.23 819.23 0.00 0.00 0.00 0.00 Average: ens3 99.38 78.62 506.77 46.24 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-9633) 04/29/26 _x86_64_ (4 CPU) 11:48:01 LINUX RESTART (4 CPU) 11:50:23 CPU %user %nice %system %iowait %steal %idle 12:00:01 all 72.22 0.00 2.33 0.05 0.12 25.29 12:00:01 0 73.82 0.00 2.61 0.03 0.12 23.42 12:00:01 1 70.40 0.00 2.21 0.02 0.12 27.25 12:00:01 2 71.06 0.00 2.17 0.07 0.12 26.57 12:00:01 3 73.60 0.00 2.32 0.06 0.12 23.90 12:10:18 all 61.46 0.00 2.62 0.17 0.10 35.64 12:10:18 0 62.62 0.00 2.51 0.18 0.11 34.58 12:10:18 1 58.82 0.00 2.70 0.18 0.10 38.20 12:10:18 2 62.93 0.00 2.89 0.12 0.10 33.95 12:10:18 3 61.46 0.00 2.39 0.20 0.10 35.84 Average: all 66.67 0.00 2.48 0.11 0.11 30.63 Average: 0 68.04 0.00 2.56 0.11 0.11 29.18 Average: 1 64.43 0.00 2.46 0.11 0.11 32.89 Average: 2 66.87 0.00 2.55 0.10 0.11 30.38 Average: 3 67.34 0.00 2.36 0.13 0.11 30.06