---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-8499 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): 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 16G 62G 21% / 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 658 6443 4 8887 14988 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:13:d3:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.7/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85032sec preferred_lft 85032sec inet6 fe80::f816:3eff:fe13:d388/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:7f:3b:e9:8e:86 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-v1-8c-8g-8499) 05/06/26 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART (4 CPU) 05:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:04 45.76 2.50 41.73 1.53 151.75 16125.26 6539.99 05:40:04 298.52 0.77 271.37 26.38 23.44 13537.89 258080.23 Average: 172.14 1.63 156.55 13.95 87.59 14831.55 132312.21 05:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:04 6183496 13439780 2495096 15.24 259096 6848212 2640672 15.16 1250416 8221920 946968 05:40:04 6592204 15342116 582380 3.56 331892 8192028 1083220 6.22 2106884 6864748 12292 Average: 6387850 14390948 1538738 9.40 295494 7520120 1861946 10.69 1678650 7543334 479630 05:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:04 lo 0.78 0.78 0.21 0.21 0.00 0.00 0.00 0.00 05:30:04 ens3 214.16 163.52 1832.85 35.27 0.00 0.00 0.00 0.00 05:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:04 lo 17.61 17.61 1.65 1.65 0.00 0.00 0.00 0.00 05:40:04 ens3 96.26 105.02 113.56 662.68 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.19 9.19 0.93 0.93 0.00 0.00 0.00 0.00 Average: ens3 155.21 134.27 973.19 348.98 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-v1-8c-8g-8499) 05/06/26 _x86_64_ (4 CPU) 05:17:23 LINUX RESTART (4 CPU) 05:20:04 CPU %user %nice %system %iowait %steal %idle 05:30:04 all 38.52 0.00 3.16 0.58 0.08 57.66 05:30:04 0 38.09 0.00 3.43 0.50 0.07 57.91 05:30:04 1 38.37 0.00 3.05 0.90 0.08 57.59 05:30:04 2 37.91 0.00 3.12 0.34 0.08 58.55 05:30:04 3 39.71 0.00 3.04 0.59 0.07 56.59 05:40:04 all 35.58 0.00 2.60 0.83 0.08 60.91 05:40:04 0 36.84 0.00 2.67 0.83 0.08 59.59 05:40:04 1 35.66 0.00 2.62 1.07 0.09 60.57 05:40:04 2 35.93 0.00 2.48 0.54 0.08 60.97 05:40:04 3 33.91 0.00 2.61 0.88 0.08 62.52 Average: all 37.05 0.00 2.88 0.71 0.08 59.29 Average: 0 37.46 0.00 3.05 0.66 0.08 58.75 Average: 1 37.01 0.00 2.84 0.98 0.08 59.08 Average: 2 36.92 0.00 2.80 0.44 0.08 59.76 Average: 3 36.81 0.00 2.83 0.74 0.07 59.55