---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-439774 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: 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 12G 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 620 8929 4 6439 15026 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:48:ef:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84612sec preferred_lft 84612sec inet6 fe80::f816:3eff:fe48:ef19/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:e3:8b:40:03:70 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-439774) 03/11/26 _x86_64_ (4 CPU) 08:52:28 LINUX RESTART (4 CPU) 09:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:17 24.86 0.02 22.05 2.79 0.21 2216.98 24078.20 09:20:17 20.96 0.03 19.09 1.85 0.39 4054.36 15355.07 Average: 22.94 0.02 20.59 2.33 0.30 3123.74 19773.28 09:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:17 9262064 12915912 3041256 18.57 145124 3618412 3146464 18.06 731120 5972676 29340 09:20:17 7819416 12792144 3159424 19.30 167708 4861852 3168544 18.19 1035100 7036816 375800 Average: 8540740 12854028 3100340 18.94 156416 4240132 3157504 18.12 883110 6504746 202570 09:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:17 lo 1283.47 1283.47 1217.88 1217.88 0.00 0.00 0.00 0.00 09:10:17 ens3 24.06 21.59 14.49 7.01 0.00 0.00 0.00 0.00 09:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:17 lo 966.00 966.00 7533.01 7533.01 0.00 0.00 0.00 0.00 09:20:17 ens3 23.15 20.39 94.17 5.84 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1126.80 1126.80 4334.44 4334.44 0.00 0.00 0.00 0.00 Average: ens3 23.61 20.99 53.81 6.44 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-439774) 03/11/26 _x86_64_ (4 CPU) 08:52:28 LINUX RESTART (4 CPU) 09:00:01 CPU %user %nice %system %iowait %steal %idle 09:10:17 all 68.21 0.00 2.44 0.05 0.08 29.21 09:10:17 0 67.97 0.00 2.29 0.04 0.08 29.62 09:10:17 1 66.33 0.00 2.65 0.08 0.08 30.86 09:10:17 2 69.37 0.00 2.20 0.05 0.08 28.30 09:10:17 3 69.18 0.00 2.62 0.04 0.08 28.08 09:20:17 all 48.87 0.00 1.80 0.08 0.08 49.17 09:20:17 0 48.70 0.00 2.11 0.12 0.08 49.00 09:20:17 1 48.64 0.00 1.68 0.07 0.07 49.53 09:20:17 2 53.59 0.00 1.83 0.05 0.08 44.45 09:20:17 3 44.56 0.00 1.59 0.08 0.07 53.69 Average: all 58.66 0.00 2.13 0.07 0.08 39.07 Average: 0 58.45 0.00 2.20 0.08 0.08 39.19 Average: 1 57.60 0.00 2.17 0.08 0.08 40.08 Average: 2 61.58 0.00 2.01 0.05 0.08 36.28 Average: 3 57.01 0.00 2.11 0.06 0.08 40.74