---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-452011 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 11G 67G 14% / 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 630 10295 4 5062 15015 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:2a:a8:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84845sec preferred_lft 84845sec inet6 fe80::f816:3eff:fe2a:a867/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:02:32:46:1c:0a 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-452011) 03/12/26 _x86_64_ (4 CPU) 12:36:10 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 7.66 0.48 6.67 0.51 410.13 1118.53 7166.94 13:00:01 29.66 0.52 14.63 14.50 19.17 2239.00 249965.17 Average: 18.65 0.50 10.65 7.49 214.89 1678.06 128414.49 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 7848168 11099936 4861456 29.69 116576 3296012 5045868 28.96 621080 7554732 4996 13:00:01 9905296 13616192 2341124 14.30 137640 3703568 2518744 14.46 807716 5267944 20344 Average: 8876732 12358064 3601290 22.00 127108 3499790 3782306 21.71 714398 6411338 12670 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 12:50:01 ens3 17.94 11.01 246.19 2.32 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 433.39 433.39 413.00 413.00 0.00 0.00 0.00 0.00 13:00:01 ens3 38.38 28.22 409.53 3.87 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 216.74 216.74 206.43 206.43 0.00 0.00 0.00 0.00 Average: ens3 28.15 19.60 327.76 3.10 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-452011) 03/12/26 _x86_64_ (4 CPU) 12:36:10 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 44.45 0.00 0.69 0.06 0.08 54.72 12:50:01 0 33.90 0.00 0.76 0.05 0.09 65.21 12:50:01 1 42.40 0.00 0.58 0.01 0.07 56.93 12:50:01 2 58.93 0.00 0.77 0.03 0.09 40.18 12:50:01 3 42.62 0.00 0.67 0.13 0.07 56.51 13:00:01 all 53.39 0.00 1.22 0.06 0.09 45.24 13:00:01 0 51.19 0.00 1.23 0.04 0.10 47.45 13:00:01 1 44.01 0.00 1.16 0.11 0.09 54.63 13:00:01 2 56.98 0.00 1.19 0.06 0.09 41.68 13:00:01 3 61.38 0.00 1.28 0.04 0.10 37.21 Average: all 48.91 0.00 0.95 0.06 0.09 49.99 Average: 0 42.52 0.00 0.99 0.04 0.09 56.35 Average: 1 43.20 0.00 0.87 0.06 0.08 55.78 Average: 2 57.95 0.00 0.98 0.05 0.09 40.93 Average: 3 51.98 0.00 0.98 0.08 0.09 46.88