---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21969 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 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 670 10390 4 4928 14975 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:dd:68:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84814sec preferred_lft 84814sec inet6 fe80::f816:3eff:fedd:6888/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:cd:55:4b:2f:b4 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-21969) 05/31/26 _x86_64_ (4 CPU) 15:26:19 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:09 16.40 2.56 12.59 1.25 346.51 3539.74 2977.75 15:50:09 28.94 0.79 23.84 4.32 27.03 4204.39 4490.64 Average: 22.67 1.67 18.21 2.78 186.77 3872.07 3734.21 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:09 9761724 13395928 2561948 15.65 142664 3593464 2778648 15.95 679868 5529256 43844 15:50:09 10670112 15356544 594324 3.63 171784 4545900 1098952 6.31 956800 4229812 80 Average: 10215918 14376236 1578136 9.64 157224 4069682 1938800 11.13 818334 4879534 21962 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:09 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 15:40:09 ens3 111.39 90.22 666.41 22.62 0.00 0.00 0.00 0.00 15:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:09 lo 1632.43 1632.43 1550.50 1550.50 0.00 0.00 0.00 0.00 15:50:09 ens3 98.47 78.10 409.23 73.72 0.00 0.00 0.00 0.00 15:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 816.92 816.92 775.33 775.33 0.00 0.00 0.00 0.00 Average: ens3 104.93 84.16 537.82 48.17 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-21969) 05/31/26 _x86_64_ (4 CPU) 15:26:19 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:09 all 71.31 0.00 2.29 0.05 0.09 26.27 15:40:09 0 69.41 0.00 2.30 0.03 0.09 28.17 15:40:09 1 71.92 0.00 2.16 0.07 0.09 25.76 15:40:09 2 74.52 0.00 2.28 0.02 0.09 23.09 15:40:09 3 69.37 0.00 2.41 0.06 0.09 28.07 15:50:09 all 56.94 0.00 2.40 0.07 0.08 40.50 15:50:09 0 54.57 0.00 2.18 0.05 0.08 43.12 15:50:09 1 59.00 0.00 2.57 0.07 0.08 38.28 15:50:09 2 58.58 0.00 2.29 0.10 0.08 38.95 15:50:09 3 55.63 0.00 2.57 0.07 0.08 41.66 Average: all 64.13 0.00 2.34 0.06 0.09 33.39 Average: 0 61.99 0.00 2.24 0.04 0.09 35.65 Average: 1 65.46 0.00 2.36 0.07 0.09 32.02 Average: 2 66.55 0.00 2.29 0.06 0.09 31.02 Average: 3 62.50 0.00 2.49 0.07 0.09 34.86