---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26926 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 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 696 10914 4 4378 14949 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:84:5e:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84190sec preferred_lft 84190sec inet6 fe80::f816:3eff:fe84:5e14/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:61:b7:47:0f:cb 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-26926) 06/12/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:01 8.92 2.59 6.04 0.29 143.35 1467.15 693.23 21:20:02 48.22 0.01 39.65 8.56 0.75 3682.51 36508.26 Average: 28.72 1.29 22.97 4.46 71.52 2583.04 18733.46 21:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:01 11067708 14127268 1836400 11.22 118072 3105436 2252732 12.93 457600 4498468 252532 21:20:02 10318676 13882180 2075012 12.67 172540 3486060 2236464 12.84 623648 5010776 33540 Average: 10693192 14004724 1955706 11.94 145306 3295748 2244598 12.88 540624 4754622 143036 21:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:01 lo 192.59 192.59 183.66 183.66 0.00 0.00 0.00 0.00 21:10:01 ens3 76.93 59.87 812.19 9.61 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:02 lo 4746.89 4746.89 4526.17 4526.17 0.00 0.00 0.00 0.00 21:20:02 ens3 101.26 73.91 28.58 25.80 0.00 0.00 0.00 0.00 21:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2486.61 2486.61 2371.00 2371.00 0.00 0.00 0.00 0.00 Average: ens3 89.19 66.94 417.48 17.76 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-26926) 06/12/26 _x86_64_ (4 CPU) 20:53:20 LINUX RESTART (4 CPU) 21:00:09 CPU %user %nice %system %iowait %steal %idle 21:10:01 all 9.24 0.00 0.50 0.04 0.03 90.18 21:10:01 0 9.46 0.00 0.54 0.04 0.02 89.94 21:10:01 1 8.44 0.00 0.41 0.02 0.04 91.09 21:10:01 2 9.88 0.00 0.40 0.01 0.04 89.68 21:10:01 3 9.20 0.00 0.65 0.11 0.02 90.02 21:20:02 all 66.20 0.00 4.21 0.11 0.09 29.40 21:20:02 0 66.49 0.00 4.18 0.14 0.09 29.10 21:20:02 1 65.11 0.00 4.17 0.09 0.09 30.54 21:20:02 2 66.77 0.00 4.16 0.11 0.09 28.87 21:20:02 3 66.43 0.00 4.31 0.10 0.08 29.07 Average: all 37.87 0.00 2.36 0.08 0.06 59.64 Average: 0 38.10 0.00 2.37 0.09 0.05 59.38 Average: 1 36.95 0.00 2.30 0.05 0.06 60.63 Average: 2 38.47 0.00 2.29 0.06 0.06 59.13 Average: 3 37.95 0.00 2.49 0.11 0.05 59.40