---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25296 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 11G 67G 14% / 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 616 10507 4 4864 15029 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:ba:a2:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83308sec preferred_lft 83308sec inet6 fe80::f816:3eff:feba:a2ef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:52:e3:4b:24:a5 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-25296) 03/02/26 _x86_64_ (4 CPU) 12:48:06 LINUX RESTART (4 CPU) 12:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:01 2.93 0.25 2.54 0.14 208.69 273.60 233.36 13:10:09 1.51 0.00 1.50 0.00 0.04 17.47 0.00 13:20:01 46.03 4.23 41.12 0.68 249.16 3882.99 992.76 13:30:01 3.57 0.06 3.37 0.13 6.81 544.28 20.92 Average: 13.36 1.12 12.00 0.24 115.36 1166.76 308.47 12:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:01 13654628 15513640 503196 3.07 55568 2029516 1132656 6.50 256328 2202476 16 13:10:09 13657696 15517524 499432 3.05 56204 2029656 1132720 6.50 257000 2202264 20 13:20:01 10116732 13053836 2909860 17.77 111196 2999716 3298200 18.93 520684 5403728 240 13:30:01 9366764 12458756 3503936 21.40 116292 3136924 3696840 21.22 564244 6087236 700 Average: 11698955 14135939 1854106 11.32 84815 2548953 2315104 13.29 399564 3973926 244 12:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:00:01 ens3 2.87 1.70 58.42 0.21 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:09 ens3 0.33 0.15 0.10 0.06 0.00 0.00 0.00 0.00 13:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 0.40 0.40 0.05 0.05 0.00 0.00 0.00 0.00 13:20:01 ens3 88.68 68.20 857.57 12.03 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 13:30:01 ens3 8.20 6.88 35.93 2.09 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.30 0.30 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 24.73 19.01 235.16 3.56 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-25296) 03/02/26 _x86_64_ (4 CPU) 12:48:06 LINUX RESTART (4 CPU) 12:50:01 CPU %user %nice %system %iowait %steal %idle 13:00:01 all 0.22 0.00 0.05 0.03 0.01 99.68 13:00:01 0 0.26 0.00 0.05 0.09 0.01 99.59 13:00:01 1 0.17 0.00 0.07 0.01 0.01 99.74 13:00:01 2 0.43 0.00 0.05 0.02 0.02 99.47 13:00:01 3 0.03 0.00 0.04 0.02 0.00 99.91 13:10:09 all 0.17 0.00 0.03 0.01 0.01 99.78 13:10:09 0 0.09 0.00 0.04 0.03 0.02 99.82 13:10:09 1 0.41 0.00 0.02 0.00 0.01 99.55 13:10:09 2 0.14 0.00 0.03 0.00 0.02 99.80 13:10:09 3 0.03 0.00 0.02 0.00 0.01 99.93 13:20:01 all 30.15 0.00 0.84 0.35 0.06 68.60 13:20:01 0 30.69 0.00 0.88 0.56 0.06 67.81 13:20:01 1 31.23 0.00 0.78 0.24 0.06 67.69 13:20:01 2 27.68 0.00 0.70 0.40 0.06 71.16 13:20:01 3 31.00 0.00 0.99 0.20 0.06 67.76 13:30:01 all 47.21 0.00 0.61 0.03 0.08 52.07 13:30:01 0 45.08 0.00 0.51 0.05 0.08 54.28 13:30:01 1 38.69 0.00 0.68 0.02 0.07 60.54 13:30:01 2 34.00 0.00 0.61 0.04 0.08 65.28 13:30:01 3 71.09 0.00 0.66 0.01 0.10 28.15 Average: all 19.33 0.00 0.38 0.11 0.04 80.14 Average: 0 18.92 0.00 0.37 0.18 0.04 80.49 Average: 1 17.52 0.00 0.38 0.07 0.04 81.99 Average: 2 15.46 0.00 0.35 0.11 0.04 84.04 Average: 3 25.43 0.00 0.42 0.06 0.04 74.05