---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20943 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 9.4G 69G 13% / 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 627 11671 4 3690 15019 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:5a:e4:d7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85098sec preferred_lft 85098sec inet6 fe80::f816:3eff:fe5a:e4d7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:ae:56:e5:65:4c 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20943) 02/26/26 _x86_64_ (4 CPU) 10:59:49 LINUX RESTART (4 CPU) 11:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:16 62.55 11.14 48.37 3.05 1451.34 9390.01 23127.59 11:20:16 9.25 0.01 7.92 1.32 0.07 662.84 32452.27 Average: 36.25 5.65 28.41 2.20 735.29 5084.09 27728.32 11:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:16 9798916 13076508 2883236 17.61 125020 3284732 3432736 19.70 655312 5542780 2340 11:20:16 9386400 12826120 3132272 19.13 135780 3421324 3396592 19.50 692608 5896588 1748 Average: 9592658 12951314 3007754 18.37 130400 3353028 3414664 19.60 673960 5719684 2044 11:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:16 lo 7.61 7.61 1.73 1.73 0.00 0.00 0.00 0.00 11:10:16 ens3 143.61 101.96 937.46 21.69 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 11:20:16 lo 57.10 57.10 14.56 14.56 0.00 0.00 0.00 0.00 11:20:16 ens3 7.49 5.43 4.61 1.80 0.00 0.00 0.00 0.00 11:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 32.03 32.03 8.06 8.06 0.00 0.00 0.00 0.00 Average: ens3 76.45 54.33 477.20 11.87 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20943) 02/26/26 _x86_64_ (4 CPU) 10:59:49 LINUX RESTART (4 CPU) 11:00:00 CPU %user %nice %system %iowait %steal %idle 11:10:16 all 31.95 0.00 1.55 0.62 0.08 65.81 11:10:16 0 32.49 0.00 1.72 0.74 0.08 64.97 11:10:16 1 33.26 0.00 1.69 0.80 0.08 64.17 11:10:16 2 30.27 0.00 1.41 0.60 0.07 67.64 11:10:16 3 31.77 0.00 1.37 0.33 0.08 66.45 11:20:16 all 15.38 0.00 0.77 0.13 0.09 83.63 11:20:16 0 14.96 0.00 0.80 0.12 0.09 84.03 11:20:16 1 14.86 0.00 0.79 0.26 0.09 84.01 11:20:16 2 15.79 0.00 0.82 0.03 0.09 83.27 11:20:16 3 15.91 0.00 0.68 0.11 0.09 83.21 Average: all 23.78 0.00 1.16 0.38 0.08 74.59 Average: 0 23.85 0.00 1.26 0.44 0.08 74.37 Average: 1 24.18 0.00 1.25 0.53 0.08 73.96 Average: 2 23.14 0.00 1.12 0.32 0.08 75.34 Average: 3 23.95 0.00 1.03 0.22 0.09 74.71