---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16588 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 67G 15% / 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 731 9498 4 5759 14915 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:59:ac:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84089sec preferred_lft 84089sec inet6 fe80::f816:3eff:fe59:ace7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:d8:bc:1c:ea:f6 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16588) 05/18/26 _x86_64_ (4 CPU) 20:22:31 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 33.16 0.43 28.14 4.58 13.85 4452.72 5815.89 20:50:02 49.15 0.00 39.39 9.76 0.00 2899.97 10877.83 21:00:02 33.96 0.30 16.56 17.10 11.87 3965.19 239934.46 Average: 38.76 0.24 28.03 10.48 8.57 3772.63 85544.44 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 9373428 13507880 2444912 14.93 184224 4007544 2696628 15.48 755280 5772136 55424 20:50:02 8494220 13147676 2800600 17.10 217868 4444428 3061288 17.57 879604 6494920 120852 21:00:02 9828744 15362296 582156 3.56 243784 5258352 1122768 6.44 1214924 4759784 4156 Average: 9232131 14005951 1942556 11.86 215292 4570108 2293561 13.17 949936 5675613 60144 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 2145.51 2145.51 2045.89 2045.89 0.00 0.00 0.00 0.00 20:40:02 ens3 95.71 70.23 325.08 20.66 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5018.68 5018.68 4785.59 4785.59 0.00 0.00 0.00 0.00 20:50:02 ens3 80.31 60.72 25.65 21.61 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 1080.67 1080.67 1004.06 1004.06 0.00 0.00 0.00 0.00 21:00:02 ens3 141.04 146.17 157.22 594.86 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2748.27 2748.27 2611.83 2611.83 0.00 0.00 0.00 0.00 Average: ens3 105.69 92.38 169.32 212.38 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16588) 05/18/26 _x86_64_ (4 CPU) 20:22:31 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 65.91 0.00 3.06 0.08 0.11 30.84 20:40:02 0 67.32 0.00 3.35 0.07 0.10 29.16 20:40:02 1 67.45 0.00 3.07 0.08 0.11 29.29 20:40:02 2 64.58 0.00 3.14 0.10 0.11 32.08 20:40:02 3 64.28 0.00 2.70 0.07 0.11 32.84 20:50:02 all 62.57 0.00 4.07 0.36 0.09 32.92 20:50:02 0 62.01 0.00 3.80 0.09 0.09 34.01 20:50:02 1 63.83 0.00 4.62 0.27 0.09 31.19 20:50:02 2 62.21 0.00 3.58 0.14 0.09 33.98 20:50:02 3 62.23 0.00 4.28 0.92 0.09 32.48 21:00:02 all 34.15 0.00 1.66 0.08 0.07 64.04 21:00:02 0 27.42 0.00 1.58 0.05 0.07 70.88 21:00:02 1 34.84 0.00 1.67 0.08 0.07 63.35 21:00:02 2 36.52 0.00 1.64 0.10 0.07 61.67 21:00:02 3 37.83 0.00 1.75 0.10 0.07 60.24 Average: all 54.19 0.00 2.93 0.17 0.09 42.62 Average: 0 52.22 0.00 2.91 0.07 0.09 44.72 Average: 1 55.35 0.00 3.12 0.14 0.09 41.30 Average: 2 54.42 0.00 2.79 0.11 0.09 42.59 Average: 3 54.77 0.00 2.91 0.36 0.09 41.86