---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32941 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 66G 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 679 9087 4 6222 14967 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:b3:d1:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84550sec preferred_lft 84550sec inet6 fe80::f816:3eff:feb3:d128/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:41:57:1c:bc:ed 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-32941) 07/04/26 _x86_64_ (4 CPU) 21:55:12 LINUX RESTART (4 CPU) 22:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:12 38.55 0.48 21.73 16.34 408.72 2795.99 256523.10 22:20:12 30.59 0.03 27.58 2.98 0.48 4363.83 20507.39 Average: 34.57 0.26 24.66 9.66 204.60 3579.91 138515.24 22:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:12 9334016 13249652 2707036 16.53 140552 3885772 3096104 17.77 835464 5803296 27568 22:20:12 7664272 12569300 3382872 20.66 157580 4813928 3350088 19.23 1104800 7142536 896 Average: 8499144 12909476 3044954 18.60 149066 4349850 3223096 18.50 970132 6472916 14232 22:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:12 lo 1355.82 1355.82 1284.85 1284.85 0.00 0.00 0.00 0.00 22:10:12 ens3 46.16 35.72 154.83 12.26 0.00 0.00 0.00 0.00 22:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:12 lo 1411.98 1411.98 1341.00 1341.00 0.00 0.00 0.00 0.00 22:20:12 ens3 59.04 40.77 42.69 14.74 0.00 0.00 0.00 0.00 22:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1383.90 1383.90 1312.92 1312.92 0.00 0.00 0.00 0.00 Average: ens3 52.60 38.25 98.76 13.50 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-32941) 07/04/26 _x86_64_ (4 CPU) 21:55:12 LINUX RESTART (4 CPU) 22:00:12 CPU %user %nice %system %iowait %steal %idle 22:10:12 all 67.21 0.00 2.48 0.09 0.08 30.14 22:10:12 0 66.45 0.00 2.41 0.10 0.08 30.96 22:10:12 1 67.27 0.00 2.55 0.05 0.08 30.05 22:10:12 2 68.64 0.00 2.62 0.11 0.08 28.54 22:10:12 3 66.49 0.00 2.32 0.11 0.08 31.00 22:20:12 all 59.01 0.00 2.44 0.14 0.09 38.32 22:20:12 0 59.28 0.00 2.42 0.05 0.09 38.15 22:20:12 1 60.78 0.00 2.55 0.07 0.08 36.51 22:20:12 2 59.12 0.00 2.60 0.06 0.09 38.13 22:20:12 3 56.85 0.00 2.19 0.39 0.08 40.48 Average: all 63.11 0.00 2.46 0.12 0.08 34.23 Average: 0 62.87 0.00 2.42 0.07 0.09 34.56 Average: 1 64.03 0.00 2.55 0.06 0.08 33.28 Average: 2 63.88 0.00 2.61 0.09 0.08 33.33 Average: 3 61.67 0.00 2.26 0.25 0.08 35.74