---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450743 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: 5600.00 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 12G 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 656 8839 4 6492 14990 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:60:05:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84411sec preferred_lft 84411sec inet6 fe80::f816:3eff:fe60:5e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:c7:f7:27:82:7c 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-450743) 03/12/26 _x86_64_ (4 CPU) 09:18:59 LINUX RESTART (4 CPU) 09:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:29 37.60 3.86 30.64 3.09 195.52 5199.32 3826.71 09:40:01 20.59 0.01 18.45 2.13 0.18 3111.65 11193.98 09:50:19 18.99 0.03 17.19 1.77 0.41 4004.52 18379.25 Average: 25.74 1.31 22.10 2.33 65.72 4119.48 11205.87 09:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:29 9594088 13063200 2895704 17.69 132448 3465132 3186080 18.29 670276 5732064 27648 09:40:01 8750592 12696716 3259252 19.91 149132 3892928 3280604 18.83 758860 6435448 94020 09:50:19 7705988 13016432 2934540 17.92 167428 5190284 3013628 17.30 1175116 7013772 652924 Average: 8683556 12925449 3029832 18.50 149669 4182781 3160104 18.14 868084 6393761 258197 09:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:29 lo 1551.00 1551.00 1472.33 1472.33 0.00 0.00 0.00 0.00 09:30:29 ens3 105.46 80.80 989.35 15.13 0.00 0.00 0.00 0.00 09:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1341.01 1341.01 1278.32 1278.32 0.00 0.00 0.00 0.00 09:40:01 ens3 18.09 15.72 14.89 4.78 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:19 lo 821.73 821.73 7200.79 7200.79 0.00 0.00 0.00 0.00 09:50:19 ens3 20.79 16.88 86.69 4.77 0.00 0.00 0.00 0.00 09:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1232.10 1232.10 3388.02 3388.02 0.00 0.00 0.00 0.00 Average: ens3 48.30 37.93 366.22 8.24 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-450743) 03/12/26 _x86_64_ (4 CPU) 09:18:59 LINUX RESTART (4 CPU) 09:20:29 CPU %user %nice %system %iowait %steal %idle 09:30:29 all 68.81 0.00 2.62 0.09 0.10 28.37 09:30:29 0 70.84 0.00 2.48 0.09 0.10 26.49 09:30:29 1 67.25 0.00 2.82 0.15 0.10 29.68 09:30:29 2 68.74 0.00 2.59 0.04 0.10 28.53 09:30:29 3 68.43 0.00 2.59 0.09 0.10 28.79 09:40:01 all 49.18 0.00 1.95 8.37 0.11 40.39 09:40:01 0 48.57 0.00 1.84 6.61 0.11 42.87 09:40:01 1 48.50 0.00 1.97 18.80 0.12 30.62 09:40:01 2 49.67 0.00 1.93 2.99 0.10 45.31 09:40:01 3 49.97 0.00 2.07 5.09 0.10 42.77 09:50:19 all 45.69 0.00 1.73 1.60 0.10 50.87 09:50:19 0 45.21 0.00 1.92 0.79 0.10 51.97 09:50:19 1 48.75 0.00 1.69 2.63 0.10 46.83 09:50:19 2 40.78 0.00 1.75 0.68 0.10 56.69 09:50:19 3 48.02 0.00 1.58 2.32 0.10 47.98 Average: all 54.55 0.00 2.10 3.25 0.10 39.99 Average: 0 54.88 0.00 2.08 2.41 0.11 40.53 Average: 1 54.87 0.00 2.16 6.96 0.11 35.91 Average: 2 52.99 0.00 2.09 1.20 0.10 43.62 Average: 3 55.48 0.00 2.07 2.46 0.10 39.89