---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39404 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 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 677 10483 4 4828 14969 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:a2:63:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.149/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84445sec preferred_lft 84445sec inet6 fe80::f816:3eff:fea2:63c4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:56:01:96:8a:48 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-39404) 07/27/26 _x86_64_ (4 CPU) 16:17:42 LINUX RESTART (4 CPU) 16:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:05 8.73 1.96 6.41 0.36 126.17 1946.91 812.88 16:40:05 10.23 0.48 8.62 1.13 18.20 2118.20 2417.13 16:50:05 29.81 0.57 24.49 4.75 24.19 3638.67 4460.75 Average: 16.26 1.00 13.17 2.08 56.19 2567.92 2563.59 16:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:05 11167904 14292336 1669504 10.20 120108 3148720 2078252 11.93 507028 4332796 57176 16:40:05 9764288 13529160 2426408 14.82 151164 3692480 2667412 15.31 672956 5494268 69984 16:50:05 10757268 15345956 604644 3.69 176180 4443336 1101600 6.32 915780 4194700 12592 Average: 10563153 14389151 1566852 9.57 149151 3761512 1949088 11.19 698588 4673921 46584 16:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:05 lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 16:30:05 ens3 74.96 59.27 674.69 10.33 0.00 0.00 0.00 0.00 16:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 16:40:05 ens3 76.17 58.62 106.58 18.57 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:05 lo 1781.94 1781.94 1685.74 1685.74 0.00 0.00 0.00 0.00 16:50:05 ens3 117.36 105.41 367.73 188.88 0.00 0.00 0.00 0.00 16:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 594.64 594.64 561.98 561.98 0.00 0.00 0.00 0.00 Average: ens3 89.49 74.43 383.00 72.60 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-39404) 07/27/26 _x86_64_ (4 CPU) 16:17:42 LINUX RESTART (4 CPU) 16:20:05 CPU %user %nice %system %iowait %steal %idle 16:30:05 all 28.28 0.00 0.91 0.04 0.06 70.72 16:30:05 0 27.67 0.00 0.90 0.03 0.06 71.34 16:30:05 1 28.51 0.00 0.89 0.06 0.06 70.49 16:30:05 2 29.40 0.00 0.93 0.04 0.06 69.56 16:30:05 3 27.52 0.00 0.89 0.02 0.06 71.51 16:40:05 all 71.58 0.00 2.24 0.03 0.13 26.03 16:40:05 0 70.64 0.00 2.24 0.02 0.13 26.97 16:40:05 1 71.34 0.00 2.32 0.02 0.13 26.20 16:40:05 2 71.02 0.00 2.13 0.03 0.13 26.69 16:40:05 3 73.33 0.00 2.26 0.03 0.13 24.25 16:50:05 all 39.82 0.00 2.12 0.32 0.10 57.63 16:50:05 0 44.27 0.00 2.04 0.35 0.09 53.25 16:50:05 1 35.92 0.00 1.92 0.36 0.08 61.72 16:50:05 2 37.90 0.00 2.28 0.24 0.08 59.50 16:50:05 3 41.19 0.00 2.26 0.34 0.15 56.06 Average: all 46.55 0.00 1.76 0.13 0.10 51.47 Average: 0 47.53 0.00 1.73 0.13 0.09 50.51 Average: 1 45.25 0.00 1.71 0.14 0.09 52.81 Average: 2 46.09 0.00 1.78 0.10 0.09 51.94 Average: 3 47.32 0.00 1.80 0.13 0.11 50.63