---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13173 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 9.2G 69G 12% / 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 634 11689 4 3665 15012 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:77:8f:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.158/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:fe77:8f25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:6b:b7:c1:07:a6 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-13173) 02/18/26 _x86_64_ (4 CPU) 06:43:33 LINUX RESTART (4 CPU) 06:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 49.53 4.25 44.62 0.65 249.84 3787.99 1034.26 07:10:10 3.86 0.06 3.63 0.17 6.80 612.97 287.63 Average: 26.34 2.13 23.81 0.41 126.45 2175.98 655.18 06:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 10069836 13248672 2713564 16.57 114468 3235400 3067824 17.61 650040 5311356 296 07:10:10 9501060 12858632 3102584 18.95 120524 3393064 3309032 18.99 700932 5811572 1604 Average: 9785448 13053652 2908074 17.76 117496 3314232 3188428 18.30 675486 5561464 950 06:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 0.37 0.37 0.04 0.04 0.00 0.00 0.00 0.00 07:00:01 ens3 89.23 66.66 858.81 11.48 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:10 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 07:10:10 ens3 11.63 8.33 36.15 2.61 0.00 0.00 0.00 0.00 07:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.49 0.49 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 49.83 37.04 441.13 6.98 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-13173) 02/18/26 _x86_64_ (4 CPU) 06:43:33 LINUX RESTART (4 CPU) 06:50:10 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 20.32 0.00 0.69 0.25 0.05 78.69 07:00:01 0 22.05 0.00 0.80 0.13 0.06 76.96 07:00:01 1 18.77 0.00 0.90 0.12 0.05 80.17 07:00:01 2 17.77 0.00 0.59 0.70 0.04 80.90 07:00:01 3 22.70 0.00 0.48 0.05 0.03 76.73 07:10:10 all 48.09 0.00 0.71 0.02 0.07 51.10 07:10:10 0 49.07 0.00 0.88 0.03 0.07 49.95 07:10:10 1 39.33 0.00 0.60 0.04 0.07 59.97 07:10:10 2 40.96 0.00 0.70 0.01 0.07 58.26 07:10:10 3 63.06 0.00 0.67 0.01 0.07 36.19 Average: all 34.41 0.00 0.70 0.13 0.06 64.69 Average: 0 35.76 0.00 0.84 0.08 0.07 63.25 Average: 1 29.20 0.00 0.74 0.08 0.06 69.92 Average: 2 29.54 0.00 0.65 0.35 0.06 69.41 Average: 3 43.18 0.00 0.58 0.03 0.05 56.16