---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491138 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 624 10578 4 4786 15022 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:20:8d:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84769sec preferred_lft 84769sec inet6 fe80::f816:3eff:fe20:8d48/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:84:13:ad:22:b7 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-491138) 03/16/26 _x86_64_ (4 CPU) 10:06:51 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:13 4.43 0.31 3.94 0.19 28.46 893.56 593.11 10:30:05 6.38 0.42 5.67 0.28 14.74 741.62 386.18 Average: 5.39 0.37 4.79 0.23 21.72 818.90 491.43 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:13 8803100 11765780 4198156 25.64 111944 3016896 4305496 24.71 490044 6743536 232 10:30:05 9246340 12894444 3065596 18.72 129428 3646508 3227328 18.52 590160 6144316 482936 Average: 9024720 12330112 3631876 22.18 120686 3331702 3766412 21.62 540102 6443926 241584 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:13 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 10:20:13 ens3 14.24 11.71 86.20 2.56 0.00 0.00 0.00 0.00 10:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:05 lo 118.60 118.60 112.81 112.81 0.00 0.00 0.00 0.00 10:30:05 ens3 34.07 25.80 413.94 3.36 0.00 0.00 0.00 0.00 10:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 58.60 58.60 55.62 55.62 0.00 0.00 0.00 0.00 Average: ens3 23.98 18.64 247.24 2.95 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-491138) 03/16/26 _x86_64_ (4 CPU) 10:06:51 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:13 all 51.47 0.00 0.72 0.02 0.09 47.71 10:20:13 0 60.09 0.00 0.76 0.02 0.09 39.04 10:20:13 1 47.79 0.00 0.81 0.02 0.08 51.30 10:20:13 2 53.19 0.00 0.67 0.01 0.08 46.04 10:20:13 3 44.83 0.00 0.64 0.02 0.08 54.42 10:30:05 all 54.40 0.00 0.76 0.02 0.08 44.74 10:30:05 0 81.62 0.00 1.00 0.03 0.09 17.27 10:30:05 1 43.37 0.00 0.78 0.01 0.09 55.75 10:30:05 2 42.85 0.00 0.55 0.01 0.07 56.52 10:30:05 3 49.79 0.00 0.73 0.02 0.08 49.38 Average: all 52.91 0.00 0.74 0.02 0.08 46.25 Average: 0 70.67 0.00 0.88 0.02 0.09 28.34 Average: 1 45.62 0.00 0.79 0.01 0.09 53.48 Average: 2 48.11 0.00 0.61 0.01 0.08 51.20 Average: 3 47.27 0.00 0.68 0.02 0.08 51.95