---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64864 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 667 8774 4 6547 14979 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:fa:31:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83938sec preferred_lft 83938sec inet6 fe80::f816:3eff:fefa:3193/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:d9:62:1e:41:17 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-64864) 03/31/26 _x86_64_ (4 CPU) 13:48:26 LINUX RESTART (4 CPU) 13:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:02 29.80 3.89 23.76 2.15 199.46 4678.86 4409.84 14:10:16 24.53 0.02 21.81 2.70 0.21 2124.34 8283.54 14:20:02 20.79 0.04 18.86 1.89 0.81 3816.80 8083.36 Average: 25.07 1.31 21.50 2.25 66.89 3527.16 6925.89 13:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:02 10237688 13613444 2346264 14.33 136304 3373444 2465780 14.15 635748 5124316 17632 14:10:16 9521368 13315788 2640812 16.13 152592 3741580 2680184 15.38 756772 5687624 23368 14:20:02 5914832 10538592 5414280 33.07 165960 4524532 5109888 29.33 1007960 8967100 464 Average: 8557963 12489275 3467119 21.18 151619 3879852 3418617 19.62 800160 6593013 13821 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:02 lo 1175.36 1175.36 1114.23 1114.23 0.00 0.00 0.00 0.00 14:00:02 ens3 130.24 100.51 1041.55 21.08 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:16 lo 1198.85 1198.85 1142.13 1142.13 0.00 0.00 0.00 0.00 14:10:16 ens3 39.65 33.48 43.07 11.36 0.00 0.00 0.00 0.00 14:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:02 lo 990.23 990.23 7722.73 7722.73 0.00 0.00 0.00 0.00 14:20:02 ens3 25.65 19.47 17.94 10.86 0.00 0.00 0.00 0.00 14:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1123.16 1123.16 3273.06 3273.06 0.00 0.00 0.00 0.00 Average: ens3 65.33 51.29 368.06 14.44 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-64864) 03/31/26 _x86_64_ (4 CPU) 13:48:26 LINUX RESTART (4 CPU) 13:50:01 CPU %user %nice %system %iowait %steal %idle 14:00:02 all 49.11 0.00 2.00 0.24 0.08 48.57 14:00:02 0 49.20 0.00 2.01 0.44 0.08 48.26 14:00:02 1 47.21 0.00 2.13 0.05 0.09 50.52 14:00:02 2 51.35 0.00 2.11 0.15 0.08 46.31 14:00:02 3 48.67 0.00 1.74 0.33 0.08 49.18 14:10:16 all 67.79 0.00 2.35 0.05 0.11 29.71 14:10:16 0 68.43 0.00 2.36 0.03 0.11 29.08 14:10:16 1 66.42 0.00 2.47 0.06 0.10 30.95 14:10:16 2 67.18 0.00 2.40 0.07 0.11 30.24 14:10:16 3 69.14 0.00 2.16 0.03 0.11 28.56 14:20:02 all 48.66 0.00 1.74 0.05 0.09 49.45 14:20:02 0 46.85 0.00 1.89 0.07 0.09 51.10 14:20:02 1 46.67 0.00 1.64 0.05 0.09 51.54 14:20:02 2 50.05 0.00 1.58 0.06 0.10 48.21 14:20:02 3 51.06 0.00 1.86 0.03 0.10 46.95 Average: all 55.33 0.00 2.03 0.11 0.09 42.43 Average: 0 54.99 0.00 2.09 0.18 0.09 42.65 Average: 1 53.58 0.00 2.09 0.05 0.10 44.18 Average: 2 56.32 0.00 2.04 0.09 0.09 41.45 Average: 3 56.42 0.00 1.92 0.13 0.10 41.43