---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38160 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 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 725 9326 4 5937 14921 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:4e:75:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84641sec preferred_lft 84641sec inet6 fe80::f816:3eff:fe4e:7571/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:f2:f1:43:65:bf 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38160) 08/16/26 _x86_64_ (4 CPU) 15:47:13 LINUX RESTART (4 CPU) 15:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:04 42.93 1.99 25.09 15.86 108.49 4694.95 256260.46 16:10:01 35.12 0.05 31.86 3.21 1.58 6209.52 20751.95 Average: 39.04 1.02 28.46 9.56 55.24 5449.34 138956.52 15:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:04 8801568 12952568 3001536 18.33 162584 4059320 3191720 18.32 753796 6378884 124888 16:10:01 7196172 12674192 3273436 19.99 190088 5290308 3323604 19.08 1050476 7609124 26668 Average: 7998870 12813380 3137486 19.16 176336 4674814 3257662 18.70 902136 6994004 75778 15:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:04 lo 1078.30 1078.30 1027.84 1027.84 0.00 0.00 0.00 0.00 16:00:04 ens3 92.41 64.13 672.73 16.38 0.00 0.00 0.00 0.00 16:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1278.27 1278.27 1218.43 1218.43 0.00 0.00 0.00 0.00 16:10:01 ens3 57.42 44.61 234.90 12.23 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1177.90 1177.90 1122.77 1122.77 0.00 0.00 0.00 0.00 Average: ens3 74.98 54.41 454.66 14.31 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38160) 08/16/26 _x86_64_ (4 CPU) 15:47:13 LINUX RESTART (4 CPU) 15:50:03 CPU %user %nice %system %iowait %steal %idle 16:00:04 all 65.25 0.00 2.31 0.27 0.10 32.07 16:00:04 0 66.16 0.00 2.31 0.16 0.10 31.26 16:00:04 1 63.74 0.00 2.27 0.27 0.11 33.62 16:00:04 2 65.51 0.00 2.48 0.50 0.10 31.40 16:00:04 3 65.58 0.00 2.16 0.15 0.10 32.00 16:10:01 all 54.48 0.00 2.28 0.26 0.10 42.88 16:10:01 0 53.73 0.00 2.25 0.34 0.10 43.57 16:10:01 1 55.21 0.00 2.08 0.42 0.10 42.19 16:10:01 2 54.89 0.00 2.41 0.11 0.10 42.49 16:10:01 3 54.08 0.00 2.37 0.18 0.10 43.27 Average: all 59.88 0.00 2.29 0.26 0.10 37.46 Average: 0 59.97 0.00 2.28 0.25 0.10 37.39 Average: 1 59.49 0.00 2.17 0.34 0.10 37.89 Average: 2 60.22 0.00 2.45 0.30 0.10 36.93 Average: 3 59.85 0.00 2.26 0.16 0.10 37.62