---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53490 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 657 8781 4 6550 14989 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:68:6f:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83942sec preferred_lft 83942sec inet6 fe80::f816:3eff:fe68:6fd8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:9c:8e:37:8f:52 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-53490) 03/27/26 _x86_64_ (4 CPU) 10:39:56 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:03 70.19 11.70 44.40 14.09 1520.87 14836.78 242616.18 11:00:03 24.55 0.42 21.20 2.93 19.03 2291.36 3176.99 11:10:03 32.71 0.01 29.36 3.34 0.24 3109.83 11700.19 11:20:00 14.43 0.31 12.76 1.36 11.69 7751.41 36787.57 Average: 35.54 3.13 26.97 5.45 389.93 7007.24 73843.43 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:03 10939152 14105596 1857372 11.34 122676 3203024 2244560 12.88 537980 4538040 122852 11:00:03 9019688 12597092 3361060 20.53 145340 3547392 3356260 19.26 704052 6256876 24544 11:10:03 7685244 12292072 3660908 22.36 165116 4509172 3573952 20.51 994008 7247224 444688 11:20:00 9051048 15400468 546344 3.34 181256 6178916 1039244 5.97 1645484 5124732 80 Average: 9173783 13598807 2356421 14.39 153597 4359626 2553504 14.66 970381 5791718 148041 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:03 lo 201.00 201.00 190.91 190.91 0.00 0.00 0.00 0.00 10:50:03 ens3 126.50 100.47 1303.20 19.10 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 1444.64 1444.64 1370.45 1370.45 0.00 0.00 0.00 0.00 11:00:03 ens3 38.64 33.26 54.63 13.70 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 1410.56 1410.56 1343.77 1343.77 0.00 0.00 0.00 0.00 11:10:03 ens3 37.76 30.64 50.78 12.32 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 249.14 249.14 6870.86 6870.86 0.00 0.00 0.00 0.00 11:20:00 ens3 90.53 99.55 151.57 1064.91 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 826.13 826.13 2435.91 2435.91 0.00 0.00 0.00 0.00 Average: ens3 73.41 65.99 391.56 276.26 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-53490) 03/27/26 _x86_64_ (4 CPU) 10:39:56 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:03 all 12.66 0.00 0.98 0.59 0.04 85.73 10:50:03 0 12.04 0.00 0.85 0.21 0.04 86.86 10:50:03 1 12.99 0.00 0.92 0.39 0.04 85.65 10:50:03 2 14.66 0.00 1.16 0.61 0.04 83.52 10:50:03 3 10.94 0.00 1.00 1.14 0.04 86.89 11:00:03 all 69.86 0.00 2.37 0.06 0.10 27.61 11:00:03 0 71.32 0.00 2.39 0.06 0.10 26.13 11:00:03 1 68.94 0.00 2.15 0.07 0.10 28.75 11:00:03 2 69.98 0.00 2.24 0.05 0.10 27.63 11:00:03 3 69.19 0.00 2.71 0.05 0.10 27.94 11:10:03 all 63.18 0.00 2.47 0.12 0.10 34.14 11:10:03 0 62.98 0.00 2.40 0.17 0.10 34.35 11:10:03 1 63.82 0.00 2.47 0.09 0.10 33.52 11:10:03 2 62.98 0.00 2.40 0.11 0.10 34.42 11:10:03 3 62.93 0.00 2.60 0.09 0.10 34.28 11:20:00 all 28.41 0.00 1.02 0.25 0.07 70.27 11:20:00 0 30.98 0.00 0.99 0.44 0.07 67.53 11:20:00 1 31.45 0.00 1.03 0.49 0.07 66.96 11:20:00 2 22.58 0.00 1.13 0.03 0.07 76.19 11:20:00 3 28.60 0.00 0.92 0.02 0.07 70.39 Average: all 43.47 0.00 1.71 0.25 0.08 54.49 Average: 0 44.26 0.00 1.66 0.22 0.08 53.79 Average: 1 44.24 0.00 1.64 0.26 0.08 53.78 Average: 2 42.51 0.00 1.73 0.20 0.08 55.48 Average: 3 42.86 0.00 1.80 0.33 0.08 54.93