---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-422983 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 13G 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 698 8638 4 6652 14948 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:2b:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84474sec preferred_lft 84474sec inet6 fe80::f816:3eff:fe2a:2bc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:f6:30:4f:0d:12 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-422983) 03/10/26 _x86_64_ (4 CPU) 09:50:00 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:01 80.85 25.82 51.63 3.40 2459.73 16546.38 8996.75 10:10:00 24.92 0.01 22.35 2.55 0.19 2242.08 6353.57 10:20:00 15.02 0.03 13.67 1.31 0.73 3774.95 5503.65 Average: 40.29 8.64 29.24 2.42 821.55 7529.02 6952.69 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:01 10238548 13676060 2283012 13.94 131628 3443080 2427928 13.94 703100 5048740 16532 10:10:00 9262788 13119144 2836584 17.32 151676 3806460 2983748 17.13 818992 5885696 22912 10:20:00 8297504 13013340 2939268 17.95 163144 4623008 3119168 17.90 1079456 6541996 5380 Average: 9266280 13269515 2686288 16.41 148816 3957516 2843615 16.32 867183 5825477 14941 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:01 lo 1476.75 1476.75 1400.88 1400.88 0.00 0.00 0.00 0.00 10:00:01 ens3 153.23 111.93 1304.42 21.39 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 lo 1198.08 1198.08 1141.24 1141.24 0.00 0.00 0.00 0.00 10:10:00 ens3 21.82 20.36 38.81 6.53 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 2954.64 2954.64 9782.51 9782.51 0.00 0.00 0.00 0.00 10:20:00 ens3 11.99 10.34 12.55 3.56 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1876.77 1876.77 4109.00 4109.00 0.00 0.00 0.00 0.00 Average: ens3 62.41 47.59 452.61 10.50 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-422983) 03/10/26 _x86_64_ (4 CPU) 09:50:00 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:01 all 58.78 0.00 2.76 1.00 0.12 37.34 10:00:01 0 57.61 0.00 2.66 1.14 0.12 38.46 10:00:01 1 61.54 0.00 3.20 1.04 0.12 34.10 10:00:01 2 59.39 0.00 2.65 0.78 0.11 37.07 10:00:01 3 56.59 0.00 2.53 1.03 0.12 39.73 10:10:00 all 67.39 0.00 2.32 0.10 0.14 30.06 10:10:00 0 66.55 0.00 2.30 0.10 0.13 30.92 10:10:00 1 67.63 0.00 2.28 0.11 0.14 29.83 10:10:00 2 67.95 0.00 2.73 0.13 0.14 29.05 10:10:00 3 67.42 0.00 1.96 0.07 0.14 30.41 10:20:00 all 45.92 0.00 1.82 0.12 0.11 52.03 10:20:00 0 45.82 0.00 2.34 0.07 0.11 51.67 10:20:00 1 47.78 0.00 1.89 0.08 0.11 50.14 10:20:00 2 46.40 0.00 1.38 0.25 0.11 51.85 10:20:00 3 43.68 0.00 1.66 0.10 0.11 54.45 Average: all 57.35 0.00 2.30 0.41 0.12 39.82 Average: 0 56.65 0.00 2.43 0.44 0.12 40.37 Average: 1 58.97 0.00 2.46 0.41 0.12 38.04 Average: 2 57.90 0.00 2.25 0.39 0.12 39.34 Average: 3 55.88 0.00 2.05 0.40 0.12 41.54