---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5290 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 28G 128G 18% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 870 9307 4 21914 30754 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:d3:4c:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.119/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83679sec preferred_lft 83679sec inet6 fe80::f816:3eff:fed3:4ca3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:5a:ac:d0:39:a5 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 inet6 fe80::7c5a:acff:fed0:39a5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5290) 04/23/26 _x86_64_ (8 CPU) 22:41:19 LINUX RESTART (8 CPU) 22:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 1.57 0.21 1.35 0.02 1.81 15.80 24.99 23:10:01 200.89 3.25 189.01 8.63 266.99 27214.45 133065.68 23:20:42 329.44 0.85 321.84 6.75 12.44 66833.04 268883.10 Average: 180.68 1.42 174.09 5.17 91.89 32145.84 136996.39 22:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 30160004 31787252 600500 1.83 60936 1905112 1516988 4.47 182952 2239696 16 23:10:01 23737852 31259936 1028628 3.13 236124 7354008 1609208 4.75 2129176 6346728 175756 23:20:42 9409700 30583796 1636140 4.98 516684 20012792 2295912 6.77 8833644 13193456 17540 Average: 21102519 31210328 1088423 3.31 271248 9757304 1807369 5.33 3715257 7259960 64437 22:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:00:01 ens3 0.41 0.24 0.15 0.27 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 0.81 0.81 0.18 0.18 0.00 0.00 0.00 0.00 23:10:01 ens3 202.93 137.73 2136.55 1005.50 0.00 0.00 0.00 0.00 23:10:01 docker0 28.54 56.98 1.67 818.20 0.00 0.00 0.00 0.00 23:20:42 lo 0.39 0.39 0.08 0.08 0.00 0.00 0.00 0.00 23:20:42 ens3 145.17 102.58 1535.90 2568.20 0.00 0.00 0.00 0.00 23:20:42 docker0 26.18 40.58 2.04 814.25 0.00 0.00 0.00 0.00 23:20:42 veth22aeb4a 19.09 27.30 1.42 622.31 0.00 0.00 0.00 0.05 Average: lo 0.43 0.43 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 116.79 80.67 1230.91 1222.04 0.00 0.00 0.00 0.00 Average: docker0 18.41 32.69 1.26 550.10 0.00 0.00 0.00 0.00 Average: veth22aeb4a 6.65 9.51 0.49 216.73 0.00 0.00 0.00 0.02 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5290) 04/23/26 _x86_64_ (8 CPU) 22:41:19 LINUX RESTART (8 CPU) 22:50:01 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 0.07 0.00 0.01 0.01 0.01 99.90 23:00:01 0 0.01 0.00 0.01 0.00 0.01 99.97 23:00:01 1 0.48 0.00 0.04 0.00 0.04 99.44 23:00:01 2 0.01 0.00 0.01 0.00 0.00 99.99 23:00:01 3 0.04 0.00 0.01 0.00 0.00 99.96 23:00:01 4 0.01 0.00 0.01 0.01 0.01 99.97 23:00:01 5 0.02 0.00 0.02 0.03 0.01 99.93 23:00:01 6 0.03 0.00 0.01 0.01 0.01 99.95 23:00:01 7 0.00 0.00 0.01 0.00 0.01 99.98 23:10:01 all 6.71 0.00 1.92 0.67 0.04 90.66 23:10:01 0 5.58 0.00 1.90 0.65 0.04 91.83 23:10:01 1 7.00 0.00 2.15 0.32 0.05 90.48 23:10:01 2 4.92 0.00 1.98 0.50 0.04 92.57 23:10:01 3 8.43 0.00 2.15 0.54 0.04 88.83 23:10:01 4 6.41 0.00 1.74 1.15 0.04 90.66 23:10:01 5 4.77 0.00 1.88 1.69 0.04 91.61 23:10:01 6 9.46 0.00 1.63 0.28 0.04 88.58 23:10:01 7 7.09 0.00 1.94 0.21 0.04 90.71 23:20:42 all 13.18 0.00 4.36 0.91 0.06 81.49 23:20:42 0 12.51 0.00 4.64 1.66 0.06 81.13 23:20:42 1 13.09 0.00 4.38 0.74 0.06 81.73 23:20:42 2 14.57 0.00 4.93 1.26 0.06 79.18 23:20:42 3 14.53 0.00 4.08 0.74 0.06 80.60 23:20:42 4 12.66 0.00 4.33 1.48 0.06 81.47 23:20:42 5 12.29 0.00 4.32 0.34 0.06 82.99 23:20:42 6 13.61 0.00 4.24 0.51 0.06 81.59 23:20:42 7 12.16 0.00 3.95 0.57 0.06 83.25 Average: all 6.78 0.00 2.14 0.54 0.04 90.51 Average: 0 6.16 0.00 2.23 0.79 0.04 90.79 Average: 1 6.97 0.00 2.23 0.36 0.05 90.38 Average: 2 6.65 0.00 2.35 0.60 0.04 90.36 Average: 3 7.80 0.00 2.12 0.43 0.03 89.62 Average: 4 6.47 0.00 2.07 0.89 0.04 90.53 Average: 5 5.82 0.00 2.12 0.68 0.03 91.35 Average: 6 7.81 0.00 2.00 0.27 0.03 89.88 Average: 7 6.52 0.00 2.01 0.27 0.04 91.17