---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-426836 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: 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 12G 66G 16% / 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 663 8795 4 6529 14983 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:91:e2:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84468sec preferred_lft 84468sec inet6 fe80::f816:3eff:fe91:e2aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:10:53:18:df:5a 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-4c-4g-426836) 03/10/26 _x86_64_ (4 CPU) 10:43:48 LINUX RESTART (4 CPU) 10:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:16 23.62 0.03 20.97 2.62 0.62 2173.36 8651.19 11:10:16 25.10 0.03 22.72 2.34 0.73 4309.49 11712.33 Average: 24.36 0.03 21.84 2.48 0.68 3237.73 10176.46 10:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:16 8789248 12459060 3498964 21.37 141988 3640160 3523192 20.22 719176 6466084 118968 11:10:16 5546180 10157388 5796252 35.40 162580 4520376 5601528 32.15 1015444 9355368 148 Average: 7167714 11308224 4647608 28.39 152284 4080268 4562360 26.19 867310 7910726 59558 10:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:16 lo 1467.02 1467.02 1392.67 1392.67 0.00 0.00 0.00 0.00 11:00:16 ens3 24.46 21.11 20.83 6.73 0.00 0.00 0.00 0.00 11:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:16 lo 972.38 972.38 2738.46 2738.46 0.00 0.00 0.00 0.00 11:10:16 ens3 25.01 21.15 44.31 6.48 0.00 0.00 0.00 0.00 11:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1220.55 1220.55 2063.23 2063.23 0.00 0.00 0.00 0.00 Average: ens3 24.73 21.13 32.53 6.61 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-4c-4g-426836) 03/10/26 _x86_64_ (4 CPU) 10:43:48 LINUX RESTART (4 CPU) 10:50:12 CPU %user %nice %system %iowait %steal %idle 11:00:16 all 66.72 0.00 2.36 0.05 0.12 30.76 11:00:16 0 67.26 0.00 1.87 0.01 0.11 30.74 11:00:16 1 67.04 0.00 2.40 0.07 0.12 30.37 11:00:16 2 67.83 0.00 2.74 0.03 0.12 29.28 11:00:16 3 64.74 0.00 2.45 0.07 0.12 32.62 11:10:16 all 53.84 0.00 2.14 0.12 0.12 43.78 11:10:16 0 52.28 0.00 2.11 0.09 0.12 45.39 11:10:16 1 53.36 0.00 1.97 0.10 0.12 44.45 11:10:16 2 58.31 0.00 2.32 0.08 0.13 39.17 11:10:16 3 51.42 0.00 2.16 0.22 0.12 46.09 Average: all 60.30 0.00 2.25 0.08 0.12 37.24 Average: 0 59.80 0.00 1.99 0.05 0.12 38.04 Average: 1 60.22 0.00 2.19 0.09 0.12 37.39 Average: 2 63.08 0.00 2.53 0.06 0.12 34.21 Average: 3 58.10 0.00 2.31 0.14 0.12 39.33