---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-447799 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 17G 61G 22% / 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 698 11038 4 4252 14948 Swap: 1023 8 1015 ---> 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:47:30:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84286sec preferred_lft 84286sec inet6 fe80::f816:3eff:fe47:3024/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:dc:bc:67:8e:44 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 inet6 fe80::28dc:bcff:fe67:8e44/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-447799) 03/12/26 _x86_64_ (4 CPU) 01:46:32 LINUX RESTART (4 CPU) 01:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 109.09 22.59 81.82 4.69 356.93 31828.47 9647.95 02:10:22 28.78 2.77 24.72 1.29 35.99 1385.98 729.11 02:20:22 23.81 0.11 7.61 16.09 3.15 278.85 210510.55 Average: 52.99 8.27 37.41 7.32 128.41 10821.47 73526.39 01:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 1247324 5189160 10740096 65.60 270496 3615148 11803340 67.75 2137328 12361156 228072 02:10:22 2460808 6337188 9594044 58.60 274928 3549432 10958280 62.90 2273908 11012984 776 02:20:22 5738308 9645716 6285040 38.39 276396 3579016 7050700 40.47 2286740 7724160 256 Average: 3148813 7057355 8873060 54.19 273940 3581199 9937440 57.04 2232659 10366100 76368 01:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 14.18 14.18 14.03 14.03 0.00 0.00 0.00 0.00 02:00:01 ens3 54.74 39.45 754.01 4.39 0.00 0.00 0.00 0.00 02:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:10:22 lo 41.93 41.93 19.40 19.40 0.00 0.00 0.00 0.00 02:10:22 ens3 1.84 1.61 0.39 0.34 0.00 0.00 0.00 0.00 02:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:20:22 lo 28.78 28.78 12.47 12.47 0.00 0.00 0.00 0.00 02:20:22 ens3 0.64 0.61 0.14 0.11 0.00 0.00 0.00 0.00 02:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 28.61 28.61 15.36 15.36 0.00 0.00 0.00 0.00 Average: ens3 18.48 13.47 243.02 1.57 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-16g-447799) 03/12/26 _x86_64_ (4 CPU) 01:46:32 LINUX RESTART (4 CPU) 01:50:22 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 50.98 0.00 2.32 0.29 0.09 46.32 02:00:01 0 52.42 0.00 2.34 0.33 0.09 44.81 02:00:01 1 50.53 0.00 2.61 0.23 0.09 46.54 02:00:01 2 49.93 0.00 2.23 0.24 0.10 47.49 02:00:01 3 51.04 0.00 2.08 0.37 0.09 46.42 02:10:22 all 49.74 0.00 1.74 0.07 0.10 48.34 02:10:22 0 48.99 0.00 1.72 0.08 0.11 49.11 02:10:22 1 50.02 0.00 1.88 0.04 0.10 47.96 02:10:22 2 50.28 0.00 1.72 0.06 0.11 47.83 02:10:22 3 49.67 0.00 1.65 0.11 0.10 48.47 02:20:22 all 18.36 0.00 0.96 0.06 0.10 80.53 02:20:22 0 18.22 0.00 1.01 0.06 0.09 80.62 02:20:22 1 18.86 0.00 0.90 0.01 0.10 80.13 02:20:22 2 18.31 0.00 0.95 0.01 0.10 80.62 02:20:22 3 18.05 0.00 0.96 0.16 0.10 80.73 Average: all 39.66 0.00 1.66 0.14 0.10 58.44 Average: 0 39.83 0.00 1.68 0.15 0.10 58.24 Average: 1 39.77 0.00 1.78 0.09 0.10 58.25 Average: 2 39.48 0.00 1.63 0.10 0.10 58.68 Average: 3 39.56 0.00 1.56 0.21 0.10 58.58