---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-462054 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 66G 16% / 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 670 8740 4 6578 14976 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:ad:d1:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84623sec preferred_lft 84623sec inet6 fe80::f816:3eff:fead:d15c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:fe:59:b5:3e:ce 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-462054) 03/13/26 _x86_64_ (4 CPU) 12:01:50 LINUX RESTART (4 CPU) 12:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:32 39.20 0.02 23.40 15.78 0.35 2292.04 256623.05 12:30:10 23.40 0.03 21.64 1.73 0.39 8244.74 46356.42 Average: 31.52 0.02 22.55 8.95 0.37 5187.84 154335.00 12:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:32 9153036 13027152 2929216 17.89 151176 3822576 2911524 16.71 762720 6050688 113976 12:30:10 6921504 13197176 2750748 16.80 169544 6124488 2702740 15.51 1561288 7385716 347444 Average: 8037270 13112164 2839982 17.35 160360 4973532 2807132 16.11 1162004 6718202 230710 12:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:32 lo 1344.61 1344.61 1280.78 1280.78 0.00 0.00 0.00 0.00 12:20:32 ens3 26.26 23.26 38.73 7.00 0.00 0.00 0.00 0.00 12:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 761.69 761.69 7586.48 7586.48 0.00 0.00 0.00 0.00 12:30:10 ens3 31.55 26.00 109.15 7.52 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1061.04 1061.04 4348.30 4348.30 0.00 0.00 0.00 0.00 Average: ens3 28.83 24.59 72.99 7.25 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-462054) 03/13/26 _x86_64_ (4 CPU) 12:01:50 LINUX RESTART (4 CPU) 12:10:21 CPU %user %nice %system %iowait %steal %idle 12:20:32 all 66.56 0.00 2.39 0.06 0.09 30.90 12:20:32 0 65.87 0.00 2.35 0.05 0.09 31.65 12:20:32 1 68.20 0.00 2.70 0.07 0.09 28.94 12:20:32 2 67.39 0.00 2.31 0.04 0.09 30.17 12:20:32 3 64.80 0.00 2.21 0.07 0.09 32.83 12:30:10 all 47.07 0.00 1.73 0.14 0.09 50.97 12:30:10 0 43.73 0.00 1.46 0.08 0.08 54.65 12:30:10 1 47.72 0.00 1.70 0.10 0.09 50.39 12:30:10 2 47.17 0.00 1.98 0.05 0.09 50.71 12:30:10 3 49.65 0.00 1.79 0.34 0.09 48.13 Average: all 57.07 0.00 2.07 0.10 0.09 40.67 Average: 0 55.09 0.00 1.91 0.07 0.09 42.85 Average: 1 58.23 0.00 2.21 0.09 0.09 39.38 Average: 2 57.54 0.00 2.15 0.04 0.09 40.18 Average: 3 57.43 0.00 2.00 0.20 0.09 40.28