---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16278 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 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 630 10630 4 4728 15016 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:75:e7:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.12/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe75:e702/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:f5:d8:8b:26:8f 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-16278) 05/18/26 _x86_64_ (4 CPU) 08:47:14 LINUX RESTART (4 CPU) 08:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:03 13.76 2.07 10.74 0.95 132.69 2977.79 2886.82 09:10:01 29.93 1.08 24.30 4.56 35.31 4263.31 6325.97 Average: 21.83 1.57 17.50 2.75 84.11 3619.10 4602.50 08:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:03 10547676 13872440 2087524 12.75 136392 3311808 2692928 15.46 572592 4873644 27964 09:10:01 10920156 15401912 550376 3.36 171264 4350104 1099708 6.31 893712 4062704 70472 Average: 10733916 14637176 1318950 8.06 153828 3830956 1896318 10.88 733152 4468174 49218 08:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:03 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 09:00:03 ens3 91.67 72.71 592.29 18.91 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 1625.62 1625.62 1548.19 1548.19 0.00 0.00 0.00 0.00 09:10:01 ens3 85.78 64.08 430.95 36.21 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.60 811.60 772.41 772.41 0.00 0.00 0.00 0.00 Average: ens3 88.73 68.41 511.81 27.54 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-16278) 05/18/26 _x86_64_ (4 CPU) 08:47:14 LINUX RESTART (4 CPU) 08:50:03 CPU %user %nice %system %iowait %steal %idle 09:00:03 all 65.42 0.00 2.15 0.06 0.14 32.23 09:00:03 0 64.92 0.00 2.12 0.08 0.14 32.74 09:00:03 1 66.44 0.00 2.28 0.04 0.14 31.09 09:00:03 2 62.61 0.00 1.99 0.07 0.14 35.20 09:00:03 3 67.73 0.00 2.20 0.07 0.14 29.86 09:10:01 all 66.39 0.00 2.86 0.11 0.15 30.49 09:10:01 0 64.63 0.00 3.02 0.07 0.15 32.13 09:10:01 1 66.44 0.00 2.91 0.09 0.15 30.41 09:10:01 2 65.77 0.00 3.06 0.15 0.15 30.87 09:10:01 3 68.73 0.00 2.44 0.14 0.15 28.53 Average: all 65.91 0.00 2.50 0.09 0.14 31.36 Average: 0 64.78 0.00 2.57 0.07 0.14 32.44 Average: 1 66.44 0.00 2.59 0.07 0.15 30.75 Average: 2 64.18 0.00 2.52 0.11 0.14 33.04 Average: 3 68.23 0.00 2.32 0.10 0.14 29.20