---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22315 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 608 8785 4 6595 15038 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:5c:0f:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84635sec preferred_lft 84635sec inet6 fe80::f816:3eff:fe5c:fe0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:c0:6d:f3:76:b0 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-22315) 03/24/26 _x86_64_ (4 CPU) 15:53:48 LINUX RESTART (4 CPU) 16:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:07 27.04 0.03 24.09 2.92 0.64 2372.24 6473.92 16:20:07 21.73 0.03 19.61 2.09 0.37 3974.36 18928.45 Average: 24.38 0.03 21.85 2.51 0.51 3172.09 12691.76 16:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:07 9388080 13207216 2748976 16.79 148220 3778500 3012532 17.29 748596 5839560 86896 16:20:07 5765104 10434492 5517988 33.70 163192 4576660 5161612 29.63 1022468 9105448 244 Average: 7576592 11820854 4133482 25.25 155706 4177580 4087072 23.46 885532 7472504 43570 16:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:07 lo 1530.97 1530.97 1453.31 1453.31 0.00 0.00 0.00 0.00 16:10:07 ens3 23.40 20.88 17.46 6.77 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:07 lo 907.16 907.16 5287.01 5287.01 0.00 0.00 0.00 0.00 16:20:07 ens3 21.00 18.02 42.09 5.51 0.00 0.00 0.00 0.00 16:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1219.54 1219.54 3367.26 3367.26 0.00 0.00 0.00 0.00 Average: ens3 22.20 19.45 29.76 6.14 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-22315) 03/24/26 _x86_64_ (4 CPU) 15:53:48 LINUX RESTART (4 CPU) 16:00:05 CPU %user %nice %system %iowait %steal %idle 16:10:07 all 65.94 0.00 2.32 0.06 0.09 31.59 16:10:07 0 66.44 0.00 2.15 0.06 0.09 31.27 16:10:07 1 64.46 0.00 2.31 0.03 0.10 33.10 16:10:07 2 65.92 0.00 2.40 0.10 0.10 31.49 16:10:07 3 66.92 0.00 2.42 0.05 0.10 30.51 16:20:07 all 53.66 0.00 1.89 0.08 0.09 44.29 16:20:07 0 54.98 0.00 1.72 0.06 0.09 43.14 16:20:07 1 55.02 0.00 1.97 0.03 0.09 42.89 16:20:07 2 50.85 0.00 2.10 0.13 0.09 46.83 16:20:07 3 53.78 0.00 1.76 0.09 0.09 44.28 Average: all 59.80 0.00 2.10 0.07 0.09 37.93 Average: 0 60.71 0.00 1.94 0.06 0.09 37.20 Average: 1 59.75 0.00 2.14 0.03 0.09 37.99 Average: 2 58.40 0.00 2.25 0.11 0.09 39.15 Average: 3 60.35 0.00 2.09 0.07 0.09 37.39