---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9709 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: 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 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 646 8825 4 6516 14999 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:cb:8c:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84552sec preferred_lft 84552sec inet6 fe80::f816:3eff:fecb:8c2c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:ff:81:f2:ce:4d 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-9709) 02/12/26 _x86_64_ (4 CPU) 09:52:18 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:08 26.29 0.01 23.33 2.95 0.21 2156.19 19228.24 10:20:04 22.09 0.03 20.04 2.03 0.51 4089.15 32942.80 Average: 24.21 0.02 21.70 2.49 0.36 3113.90 26023.29 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:08 9648300 13386564 2570508 15.70 144092 3711884 2729152 15.67 854928 5475060 34136 10:20:04 5926828 10605692 5347576 32.66 156460 4600056 5226504 30.00 1131940 8863248 200 Average: 7787564 11996128 3959042 24.18 150276 4155970 3977828 22.83 993434 7169154 17168 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:08 lo 1404.36 1404.36 1332.96 1332.96 0.00 0.00 0.00 0.00 10:10:08 ens3 27.27 21.58 11.45 6.48 0.00 0.00 0.00 0.00 10:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:04 lo 825.11 825.11 5233.12 5233.12 0.00 0.00 0.00 0.00 10:20:04 ens3 18.43 15.84 21.48 5.01 0.00 0.00 0.00 0.00 10:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1117.36 1117.36 3265.34 3265.34 0.00 0.00 0.00 0.00 Average: ens3 22.89 18.74 16.42 5.75 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-9709) 02/12/26 _x86_64_ (4 CPU) 09:52:18 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:08 all 65.84 0.00 2.50 0.17 0.14 31.34 10:10:08 0 66.60 0.00 2.46 0.27 0.14 30.53 10:10:08 1 67.50 0.00 2.58 0.11 0.14 29.66 10:10:08 2 65.45 0.00 2.36 0.08 0.14 31.96 10:10:08 3 63.82 0.00 2.59 0.23 0.15 33.22 10:20:04 all 51.63 0.00 1.88 0.43 0.14 45.91 10:20:04 0 51.25 0.00 2.17 0.87 0.15 45.56 10:20:04 1 51.24 0.00 1.94 0.45 0.13 46.25 10:20:04 2 52.53 0.00 1.60 0.10 0.14 45.62 10:20:04 3 51.51 0.00 1.82 0.30 0.16 46.21 Average: all 58.80 0.00 2.19 0.30 0.14 38.56 Average: 0 58.99 0.00 2.32 0.57 0.14 37.98 Average: 1 59.45 0.00 2.27 0.28 0.14 37.87 Average: 2 59.04 0.00 1.99 0.09 0.14 38.74 Average: 3 57.71 0.00 2.21 0.27 0.15 39.66