---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54221 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 11G 68G 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 637 10564 4 4786 15009 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:fc:ef:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84183sec preferred_lft 84183sec inet6 fe80::f816:3eff:fefc:efca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:69:1c:d9:be:38 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-54221) 03/30/26 _x86_64_ (4 CPU) 10:36:59 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 12.41 1.96 9.63 0.82 126.08 2821.76 37.73 11:00:01 28.69 0.77 24.66 3.26 27.94 4320.38 6521.38 11:10:01 6.16 0.40 4.66 1.10 13.64 610.07 905.52 Average: 15.75 1.04 12.98 1.73 55.89 2583.37 2486.74 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 10611824 13855400 2105160 12.86 132144 3239296 2495916 14.33 554436 4832352 23568 11:00:01 8635668 13065832 2885704 17.62 176156 4294132 3409064 19.57 872140 6387560 18016 11:10:01 10817308 15359624 591696 3.61 183096 4390540 1111144 6.38 911556 4145580 160 Average: 10021600 14093619 1860853 11.37 163799 3974656 2338708 13.42 779377 5121831 13915 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 10:50:01 ens3 93.82 76.13 639.32 19.20 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1583.55 1583.55 1509.70 1509.70 0.00 0.00 0.00 0.00 11:00:01 ens3 77.37 57.62 425.47 17.54 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 117.04 117.04 103.04 103.04 0.00 0.00 0.00 0.00 11:10:01 ens3 40.60 44.10 18.46 113.68 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 566.88 566.88 537.26 537.26 0.00 0.00 0.00 0.00 Average: ens3 70.59 59.28 361.04 50.15 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-54221) 03/30/26 _x86_64_ (4 CPU) 10:36:59 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 58.47 0.00 1.95 0.04 0.10 39.45 10:50:01 0 58.36 0.00 2.24 0.03 0.10 39.28 10:50:01 1 57.32 0.00 1.85 0.03 0.10 40.70 10:50:01 2 59.19 0.00 1.78 0.06 0.10 38.88 10:50:01 3 59.01 0.00 1.92 0.05 0.10 38.92 11:00:01 all 66.07 0.00 2.67 0.12 0.11 31.03 11:00:01 0 67.18 0.00 2.87 0.20 0.11 29.64 11:00:01 1 67.31 0.00 2.92 0.04 0.11 29.61 11:00:01 2 63.48 0.00 2.40 0.12 0.11 33.89 11:00:01 3 66.30 0.00 2.50 0.11 0.12 30.98 11:10:01 all 13.46 0.00 0.48 0.03 0.04 85.99 11:10:01 0 8.81 0.00 0.41 0.05 0.03 90.69 11:10:01 1 12.47 0.00 0.37 0.02 0.04 87.10 11:10:01 2 16.41 0.00 0.64 0.02 0.05 82.89 11:10:01 3 16.14 0.00 0.53 0.02 0.05 83.26 Average: all 45.95 0.00 1.70 0.06 0.08 52.20 Average: 0 44.74 0.00 1.84 0.09 0.08 53.24 Average: 1 45.61 0.00 1.71 0.03 0.09 52.57 Average: 2 46.33 0.00 1.61 0.07 0.08 51.91 Average: 3 47.12 0.00 1.65 0.06 0.09 51.09