---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-475443 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 12G 66G 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 648 9415 4 5924 14997 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:54:45:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84581sec preferred_lft 84581sec inet6 fe80::f816:3eff:fe54:4506/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:d7:a8:e7:e9:48 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-475443) 03/14/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:21 37.75 0.14 21.65 15.97 9.86 2394.11 249252.48 22:20:21 29.24 0.03 26.31 2.90 0.51 4251.34 12345.12 Average: 33.50 0.09 23.98 9.43 5.18 3322.76 130794.85 22:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:21 9785612 13402068 2554860 15.60 138624 3598920 2655956 15.25 703164 5476524 14308 22:20:21 8143644 12747288 3205480 19.58 154804 4526128 3181512 18.26 970452 6812672 1224 Average: 8964628 13074678 2880170 17.59 146714 4062524 2918734 16.75 836808 6144598 7766 22:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:21 lo 1335.20 1335.20 1266.31 1266.31 0.00 0.00 0.00 0.00 22:10:21 ens3 52.20 41.09 109.11 12.57 0.00 0.00 0.00 0.00 22:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:21 lo 1243.41 1243.41 1179.62 1179.62 0.00 0.00 0.00 0.00 22:20:21 ens3 53.44 39.37 41.09 14.08 0.00 0.00 0.00 0.00 22:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1289.30 1289.30 1222.96 1222.96 0.00 0.00 0.00 0.00 Average: ens3 52.82 40.23 75.10 13.33 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-475443) 03/14/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:21 CPU %user %nice %system %iowait %steal %idle 22:10:21 all 66.06 0.00 2.32 0.13 0.09 31.41 22:10:21 0 66.38 0.00 2.50 0.10 0.09 30.92 22:10:21 1 66.43 0.00 2.27 0.15 0.09 31.07 22:10:21 2 65.34 0.00 2.39 0.12 0.09 32.06 22:10:21 3 66.08 0.00 2.11 0.13 0.09 31.59 22:20:21 all 55.79 0.00 2.21 0.37 0.09 41.53 22:20:21 0 55.21 0.00 2.26 0.19 0.09 42.25 22:20:21 1 54.17 0.00 2.14 0.44 0.09 43.15 22:20:21 2 56.64 0.00 2.28 0.16 0.09 40.83 22:20:21 3 57.16 0.00 2.17 0.68 0.09 39.91 Average: all 60.93 0.00 2.27 0.25 0.09 36.47 Average: 0 60.80 0.00 2.38 0.15 0.09 36.58 Average: 1 60.30 0.00 2.21 0.30 0.09 37.11 Average: 2 60.99 0.00 2.34 0.14 0.09 36.45 Average: 3 61.62 0.00 2.14 0.40 0.09 35.75