---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-471968 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 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 685 9240 4 6063 14961 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:e9:77:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fee9:7764/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:2d:17:59:1a:81 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-471968) 03/14/26 _x86_64_ (4 CPU) 12:51:38 LINUX RESTART (4 CPU) 13:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:24 10.74 0.02 9.05 1.67 0.23 740.77 25766.45 13:20:07 42.06 0.43 36.36 5.27 14.85 8664.07 32216.01 Average: 25.97 0.22 22.33 3.42 7.34 4593.02 28902.18 13:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:24 9254716 12960656 2997000 18.30 138048 3680824 3276896 18.81 829636 5895376 2000 13:20:07 9523836 15375096 571628 3.49 176324 5687040 1108440 6.36 1705292 4617692 8 Average: 9389276 14167876 1784314 10.90 157186 4683932 2192668 12.59 1267464 5256534 1004 13:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:24 lo 56.66 56.66 14.28 14.28 0.00 0.00 0.00 0.00 13:10:24 ens3 7.05 5.53 4.45 1.91 0.00 0.00 0.00 0.00 13:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 2390.05 2390.05 2298.36 2298.36 0.00 0.00 0.00 0.00 13:20:07 ens3 98.90 80.30 488.12 175.50 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1191.13 1191.13 1124.78 1124.78 0.00 0.00 0.00 0.00 Average: ens3 51.70 41.88 239.60 86.31 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-471968) 03/14/26 _x86_64_ (4 CPU) 12:51:38 LINUX RESTART (4 CPU) 13:00:09 CPU %user %nice %system %iowait %steal %idle 13:10:24 all 15.81 0.00 0.80 0.07 0.07 83.24 13:10:24 0 14.62 0.00 0.80 0.05 0.07 84.45 13:10:24 1 16.71 0.00 0.85 0.03 0.08 82.34 13:10:24 2 15.90 0.00 0.80 0.05 0.07 83.18 13:10:24 3 16.02 0.00 0.77 0.14 0.07 82.99 13:20:07 all 52.07 0.00 2.73 0.13 0.09 44.98 13:20:07 0 51.96 0.00 2.73 0.24 0.09 44.98 13:20:07 1 52.37 0.00 2.87 0.12 0.09 44.54 13:20:07 2 52.60 0.00 2.71 0.06 0.09 44.54 13:20:07 3 51.35 0.00 2.62 0.07 0.09 45.87 Average: all 33.43 0.00 1.74 0.10 0.08 64.65 Average: 0 32.76 0.00 1.74 0.14 0.08 65.28 Average: 1 34.05 0.00 1.83 0.07 0.08 63.96 Average: 2 33.74 0.00 1.73 0.05 0.08 64.40 Average: 3 33.17 0.00 1.67 0.11 0.08 64.97