---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1126 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 11G 145G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 733 26888 4 4470 30891 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:3b:3b:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84818sec preferred_lft 84818sec inet6 fe80::f816:3eff:fe3b:3b67/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:73:35:d2:cb:4b 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1126) 03/18/26 _x86_64_ (8 CPU) 08:08:13 LINUX RESTART (8 CPU) 08:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:17 30.13 2.59 24.70 2.84 144.08 5303.40 13663.97 08:30:17 34.60 0.01 29.96 4.63 0.07 2531.49 9523.70 Average: 32.35 1.31 27.31 3.73 72.66 3928.73 11610.70 08:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:17 25671104 29280812 3027908 9.21 163576 3673028 3092156 9.12 711936 6027212 136872 08:30:17 25265448 29233240 3072480 9.35 195372 3964096 3213700 9.48 810352 6304892 104972 Average: 25468276 29257026 3050194 9.28 179474 3818562 3152928 9.30 761144 6166052 120922 08:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:17 lo 1010.55 1010.55 961.28 961.28 0.00 0.00 0.00 0.00 08:20:17 ens3 86.58 63.36 719.22 12.27 0.00 0.00 0.00 0.00 08:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:17 lo 2035.39 2035.39 1939.78 1939.78 0.00 0.00 0.00 0.00 08:30:17 ens3 24.16 18.01 8.70 5.79 0.00 0.00 0.00 0.00 08:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1518.80 1518.80 1446.55 1446.55 0.00 0.00 0.00 0.00 Average: ens3 55.62 40.87 366.85 9.06 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1126) 03/18/26 _x86_64_ (8 CPU) 08:08:13 LINUX RESTART (8 CPU) 08:10:07 CPU %user %nice %system %iowait %steal %idle 08:20:17 all 40.74 0.00 1.61 0.08 0.10 57.47 08:20:17 0 43.25 0.00 1.10 0.08 0.10 55.47 08:20:17 1 40.82 0.00 1.70 0.06 0.10 57.31 08:20:17 2 43.72 0.00 1.56 0.14 0.10 54.47 08:20:17 3 42.42 0.00 1.74 0.10 0.10 55.65 08:20:17 4 42.55 0.00 1.58 0.04 0.10 55.74 08:20:17 5 38.69 0.00 1.62 0.08 0.09 59.52 08:20:17 6 38.83 0.00 1.88 0.10 0.09 59.10 08:20:17 7 35.65 0.00 1.73 0.05 0.09 62.47 08:30:17 all 35.67 0.00 1.83 0.09 0.10 62.32 08:30:17 0 34.13 0.00 1.58 0.12 0.10 64.08 08:30:17 1 36.01 0.00 1.93 0.06 0.10 61.90 08:30:17 2 39.25 0.00 2.08 0.04 0.10 58.53 08:30:17 3 35.75 0.00 1.88 0.05 0.10 62.22 08:30:17 4 35.45 0.00 1.98 0.10 0.10 62.37 08:30:17 5 30.84 0.00 1.79 0.15 0.09 67.13 08:30:17 6 36.42 0.00 1.69 0.14 0.09 61.65 08:30:17 7 37.50 0.00 1.70 0.03 0.11 60.66 Average: all 38.23 0.00 1.72 0.08 0.10 59.87 Average: 0 38.73 0.00 1.34 0.10 0.10 59.74 Average: 1 38.44 0.00 1.82 0.06 0.10 59.58 Average: 2 41.50 0.00 1.82 0.09 0.10 56.48 Average: 3 39.11 0.00 1.81 0.07 0.10 58.90 Average: 4 39.03 0.00 1.78 0.07 0.10 59.02 Average: 5 34.80 0.00 1.70 0.11 0.09 63.30 Average: 6 37.64 0.00 1.79 0.12 0.09 60.36 Average: 7 36.57 0.00 1.72 0.04 0.10 61.57