---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26867 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 624 8925 4 6438 15022 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:d1:7b:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83780sec preferred_lft 83780sec inet6 fe80::f816:3eff:fed1:7bb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:c0:68:8a:48:dd 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-26867) 03/04/26 _x86_64_ (4 CPU) 10:12:20 LINUX RESTART (4 CPU) 10:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:08 22.80 2.96 17.92 1.93 161.12 3370.14 4449.79 10:40:08 25.16 0.01 22.30 2.86 0.16 2111.59 10696.15 10:50:08 21.29 0.03 19.35 1.92 0.36 4046.69 11451.25 Average: 23.09 1.00 19.86 2.23 53.87 3176.03 8866.01 10:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:08 10143912 13525252 2434888 14.87 133888 3382956 2580424 14.81 632540 5233152 122464 10:40:08 9125776 12802020 3155256 19.27 149036 3634260 3148500 18.07 741952 6106804 24636 10:50:08 5759000 10387372 5566056 34.00 163056 4533928 5226680 30.00 1017896 9132904 140 Average: 8342896 12238215 3718733 22.71 148660 3850381 3651868 20.96 797463 6824287 49080 10:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:08 lo 1130.49 1130.49 1070.68 1070.68 0.00 0.00 0.00 0.00 10:30:08 ens3 120.88 92.39 973.03 17.63 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:08 lo 1174.31 1174.31 1118.28 1118.28 0.00 0.00 0.00 0.00 10:40:08 ens3 39.64 31.77 19.22 11.29 0.00 0.00 0.00 0.00 10:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:08 lo 926.32 926.32 6774.85 6774.85 0.00 0.00 0.00 0.00 10:50:08 ens3 26.52 20.90 21.05 7.51 0.00 0.00 0.00 0.00 10:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1077.05 1077.05 2987.80 2987.80 0.00 0.00 0.00 0.00 Average: ens3 62.34 48.35 337.72 12.14 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-26867) 03/04/26 _x86_64_ (4 CPU) 10:12:20 LINUX RESTART (4 CPU) 10:20:08 CPU %user %nice %system %iowait %steal %idle 10:30:08 all 43.87 0.00 1.76 0.77 0.08 53.52 10:30:08 0 45.29 0.00 1.71 0.17 0.08 52.75 10:30:08 1 42.96 0.00 1.81 1.66 0.08 53.49 10:30:08 2 43.92 0.00 1.53 0.12 0.08 54.35 10:30:08 3 43.32 0.00 2.01 1.12 0.09 53.47 10:40:08 all 67.60 0.00 2.32 0.26 0.13 29.68 10:40:08 0 68.42 0.00 2.05 0.12 0.13 29.29 10:40:08 1 67.91 0.00 2.29 0.19 0.13 29.48 10:40:08 2 66.36 0.00 2.54 0.25 0.13 30.72 10:40:08 3 67.71 0.00 2.41 0.50 0.14 29.24 10:50:08 all 49.96 0.00 1.84 0.19 0.10 47.90 10:50:08 0 51.97 0.00 1.79 0.12 0.10 46.02 10:50:08 1 43.39 0.00 1.90 0.24 0.10 54.38 10:50:08 2 55.84 0.00 1.96 0.14 0.10 41.96 10:50:08 3 48.64 0.00 1.72 0.28 0.10 49.26 Average: all 53.81 0.00 1.97 0.41 0.10 43.70 Average: 0 55.23 0.00 1.85 0.14 0.10 42.69 Average: 1 51.42 0.00 2.00 0.70 0.10 45.78 Average: 2 55.38 0.00 2.01 0.17 0.10 42.34 Average: 3 53.22 0.00 2.05 0.63 0.11 43.99