---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10256 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 662 8844 4 6482 14984 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:ad:22:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84006sec preferred_lft 84006sec inet6 fe80::f816:3eff:fead:22b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:83:7e:77:8f:af 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-10256) 02/13/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 29.40 1.10 25.24 3.06 48.01 4057.81 7735.37 19:30:01 33.13 0.00 29.67 3.46 0.09 2602.85 18677.77 19:40:02 11.70 0.14 10.37 1.19 6.58 8596.80 2505.79 Average: 24.74 0.41 21.76 2.57 18.23 5086.85 9636.86 19:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 9781444 13282240 2675444 16.34 138548 3485468 2832948 16.26 689936 5520888 5912 19:30:01 9104216 13062812 2891540 17.66 161080 3886596 2992556 17.18 814096 6025104 41304 19:40:02 9091648 15368260 578196 3.53 174232 6117752 1090084 6.26 1616184 5144568 36 Average: 9325769 13904437 2048393 12.51 157953 4496605 2305196 13.23 1040072 5563520 15751 19:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1491.43 1491.43 1413.46 1413.46 0.00 0.00 0.00 0.00 19:20:02 ens3 81.07 62.35 449.66 15.77 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1577.74 1577.74 1502.39 1502.39 0.00 0.00 0.00 0.00 19:30:01 ens3 46.54 35.17 31.26 12.20 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 250.78 250.78 6835.84 6835.84 0.00 0.00 0.00 0.00 19:40:02 ens3 71.83 83.63 110.43 1023.82 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1106.42 1106.42 3251.48 3251.48 0.00 0.00 0.00 0.00 Average: ens3 66.48 60.39 197.13 350.77 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-10256) 02/13/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:02 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 68.59 0.00 2.49 0.08 0.10 28.73 19:20:02 0 68.06 0.00 2.41 0.09 0.10 29.35 19:20:02 1 68.70 0.00 2.58 0.13 0.10 28.49 19:20:02 2 69.00 0.00 2.71 0.07 0.10 28.12 19:20:02 3 68.60 0.00 2.26 0.06 0.10 28.98 19:30:01 all 65.42 0.00 2.66 0.10 0.10 31.73 19:30:01 0 65.05 0.00 2.71 0.09 0.10 32.06 19:30:01 1 65.88 0.00 2.62 0.11 0.10 31.29 19:30:01 2 66.15 0.00 2.65 0.11 0.10 31.01 19:30:01 3 64.62 0.00 2.65 0.08 0.10 32.55 19:40:02 all 29.93 0.00 0.94 0.28 0.07 68.78 19:40:02 0 30.42 0.00 1.01 0.15 0.07 68.35 19:40:02 1 24.14 0.00 1.05 0.76 0.07 73.98 19:40:02 2 39.17 0.00 0.84 0.18 0.07 59.74 19:40:02 3 26.02 0.00 0.85 0.03 0.07 73.04 Average: all 54.62 0.00 2.03 0.15 0.09 43.11 Average: 0 54.48 0.00 2.04 0.11 0.09 43.28 Average: 1 52.87 0.00 2.08 0.33 0.09 44.62 Average: 2 58.08 0.00 2.06 0.12 0.09 39.64 Average: 3 53.04 0.00 1.92 0.06 0.09 44.89