---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7107 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 9.6G 68G 13% / 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 603 11387 4 3998 15043 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:6a:0a:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84627sec preferred_lft 84627sec inet6 fe80::f816:3eff:fe6a:a68/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:e5:8f:5a:ee:41 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-7107) 04/23/26 _x86_64_ (4 CPU) 14:02:32 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:03 51.14 5.11 44.69 1.34 286.93 4837.81 4175.53 14:30:03 22.58 0.06 19.79 2.73 6.23 2458.61 4655.34 Average: 36.88 2.59 32.26 2.03 146.79 3650.02 4415.07 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:03 10300632 13711648 2249588 13.74 124132 3435620 2628988 15.09 630708 5081504 181104 14:30:03 8639104 12366804 3590456 21.93 144756 3696304 3624460 20.80 768512 6570292 11936 Average: 9469868 13039226 2920022 17.83 134444 3565962 3126724 17.95 699610 5825898 96520 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:03 lo 391.78 391.78 373.13 373.13 0.00 0.00 0.00 0.00 14:20:03 ens3 137.87 103.84 1259.86 18.62 0.00 0.00 0.00 0.00 14:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:03 lo 1322.68 1322.68 1254.05 1254.05 0.00 0.00 0.00 0.00 14:30:03 ens3 42.57 35.38 27.26 12.61 0.00 0.00 0.00 0.00 14:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 856.53 856.53 812.92 812.92 0.00 0.00 0.00 0.00 Average: ens3 90.29 69.66 644.50 15.62 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-7107) 04/23/26 _x86_64_ (4 CPU) 14:02:32 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:03 all 22.05 0.00 1.14 0.29 0.05 76.46 14:20:03 0 21.41 0.00 0.93 0.07 0.05 77.55 14:20:03 1 21.79 0.00 1.41 0.30 0.06 76.44 14:20:03 2 23.08 0.00 1.28 0.11 0.05 75.47 14:20:03 3 21.94 0.00 0.97 0.67 0.05 76.38 14:30:03 all 65.43 0.00 2.27 1.74 0.12 30.44 14:30:03 0 65.32 0.00 2.14 1.55 0.12 30.86 14:30:03 1 65.45 0.00 2.18 2.98 0.12 29.28 14:30:03 2 65.19 0.00 2.60 1.23 0.12 30.86 14:30:03 3 65.74 0.00 2.17 1.20 0.11 30.77 Average: all 43.69 0.00 1.71 1.01 0.08 53.50 Average: 0 43.31 0.00 1.53 0.81 0.09 54.26 Average: 1 43.58 0.00 1.79 1.64 0.09 52.91 Average: 2 44.09 0.00 1.94 0.67 0.09 53.22 Average: 3 43.79 0.00 1.57 0.94 0.08 53.63