---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31070 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: 5600.00 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 10G 68G 13% / 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 688 10813 4 4487 14958 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:54:03:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84889sec preferred_lft 84889sec inet6 fe80::f816:3eff:fe54:38e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:fa:ec:81:19:1e 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-31070) 06/27/26 _x86_64_ (4 CPU) 10:47:18 LINUX RESTART (4 CPU) 10:50:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:00 21.80 0.50 7.27 14.03 235.79 1362.01 249730.72 11:10:00 14.60 0.52 13.08 1.00 18.89 2001.91 6936.17 Average: 18.17 0.51 10.20 7.47 126.53 1684.35 127425.33 10:50:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:00 8008796 11276724 4685300 28.62 112624 3316532 4891980 28.08 573204 7448212 124 11:10:00 8851856 12643500 3314568 20.24 131832 3790164 3691260 21.19 753096 6385956 96468 Average: 8430326 11960112 3999934 24.43 122228 3553348 4291620 24.63 663150 6917084 48296 10:50:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:00 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 11:00:00 ens3 25.14 19.04 228.31 3.68 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 351.97 351.97 335.38 335.38 0.00 0.00 0.00 0.00 11:10:00 ens3 46.38 32.65 436.05 6.44 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 177.64 177.64 169.13 169.13 0.00 0.00 0.00 0.00 Average: ens3 35.84 25.90 332.96 5.07 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-31070) 06/27/26 _x86_64_ (4 CPU) 10:47:18 LINUX RESTART (4 CPU) 10:50:09 CPU %user %nice %system %iowait %steal %idle 11:00:00 all 47.63 0.00 0.86 0.07 0.07 51.37 11:00:00 0 45.87 0.00 0.93 0.17 0.07 52.96 11:00:00 1 43.68 0.00 0.76 0.03 0.07 55.46 11:00:00 2 45.52 0.00 0.73 0.03 0.07 53.65 11:00:00 3 55.44 0.00 1.04 0.05 0.08 43.40 11:10:00 all 49.79 0.00 1.08 0.05 0.08 48.99 11:10:00 0 38.98 0.00 1.05 0.03 0.07 59.88 11:10:00 1 39.57 0.00 0.98 0.04 0.07 59.33 11:10:00 2 56.12 0.00 1.24 0.03 0.07 42.53 11:10:00 3 64.52 0.00 1.07 0.10 0.09 34.22 Average: all 48.72 0.00 0.97 0.06 0.08 50.17 Average: 0 42.40 0.00 0.99 0.10 0.07 56.44 Average: 1 41.61 0.00 0.87 0.04 0.07 57.41 Average: 2 50.86 0.00 0.98 0.03 0.07 48.05 Average: 3 60.01 0.00 1.05 0.07 0.08 38.77