---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14369 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 18G 60G 23% / 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 712 11057 3 4219 14934 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:80:bb:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79012sec preferred_lft 79012sec inet6 fe80::f816:3eff:fe80:bb3f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:87:f3:14:0d:60 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-14369) 12/16/25 _x86_64_ (4 CPU) 18:39:43 LINUX RESTART (4 CPU) 18:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:16 146.55 12.15 128.77 5.63 2039.44 40658.99 18249.26 19:00:00 69.82 26.13 41.15 2.55 401.27 3931.54 3045.89 19:10:16 8.69 0.27 7.98 0.44 12.76 250.72 338.38 19:20:04 7.79 0.02 7.33 0.43 0.69 251.71 417.15 19:30:04 14.70 0.05 14.04 0.61 1.97 653.26 210.97 19:40:04 14.71 0.01 13.97 0.73 0.73 480.75 354.43 19:50:04 5.12 0.00 4.96 0.16 0.20 138.15 39.28 20:00:04 5.46 0.02 5.26 0.18 1.47 150.33 77.38 20:10:05 20.98 0.10 5.42 15.46 2.11 152.71 209756.31 20:20:16 2.19 0.00 2.19 0.00 0.00 38.55 0.00 20:30:16 11.43 0.02 10.82 0.58 0.83 710.13 234.22 20:40:16 5.16 0.28 4.69 0.19 9.01 166.14 63.72 Average: 26.15 3.22 20.69 2.25 208.75 4031.67 19403.49 18:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:16 1432300 12941944 2977464 18.19 260428 10988244 3738940 21.46 2205068 11897296 492136 19:00:00 6189940 9232448 6701340 40.93 261124 2801772 7722484 44.33 2288164 7348552 2932 19:10:16 4070216 7129492 8805232 53.78 262144 2817420 9562804 54.89 2300864 9462932 92 19:20:04 6639088 9718640 6218540 37.98 263176 2836688 6998296 40.17 2305704 6893532 416 19:30:04 11780704 14988460 951532 5.81 267856 2960172 1693948 9.72 2344232 1747640 10868 19:40:04 8138920 11410048 4528160 27.66 270052 3021348 5203916 29.87 2349192 5354044 328 19:50:04 8187604 11475984 4462060 27.25 270548 3038128 5161368 29.63 2350372 5313512 56 20:00:04 6789352 10097544 5839852 35.67 271048 3057416 6552140 37.61 2352492 6701412 412 20:10:05 6751380 10086472 5851044 35.74 273776 3081572 6631964 38.07 2362444 6735240 392 20:20:16 6353560 9690972 6246036 38.15 274088 3083592 6885300 39.52 2362776 7130320 348 20:30:16 7913540 11392524 4545620 27.76 278208 3221016 5279196 30.30 2378460 5555652 192 20:40:16 6857752 10366064 5571456 34.03 279064 3249500 6175084 35.44 2390048 6582528 124 Average: 6758696 10710883 5224861 31.91 269293 3679739 5967120 34.25 2332485 6726888 42358 18:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:16 lo 3.13 3.13 2.33 2.33 0.00 0.00 0.00 0.00 18:50:16 ens3 181.42 132.08 2238.92 17.73 0.00 0.00 0.00 0.00 18:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:00 lo 44.01 44.01 26.59 26.59 0.00 0.00 0.00 0.00 19:00:00 ens3 2.07 2.14 0.46 0.42 0.00 0.00 0.00 0.00 19:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:16 lo 30.64 30.64 11.60 11.60 0.00 0.00 0.00 0.00 19:10:16 ens3 1.14 0.99 0.27 1.13 0.00 0.00 0.00 0.00 19:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:04 lo 9.99 9.99 6.29 6.29 0.00 0.00 0.00 0.00 19:20:04 ens3 0.48 0.35 0.08 0.06 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:04 lo 8.74 8.74 4.37 4.37 0.00 0.00 0.00 0.00 19:30:04 ens3 0.89 0.75 0.26 0.21 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:04 lo 19.63 19.63 10.14 10.14 0.00 0.00 0.00 0.00 19:40:04 ens3 0.96 0.73 0.24 0.19 0.00 0.00 0.00 0.00 19:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:04 lo 20.39 20.39 8.60 8.60 0.00 0.00 0.00 0.00 19:50:04 ens3 0.81 0.60 0.19 0.14 0.00 0.00 0.00 0.00 19:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:04 lo 19.73 19.73 8.18 8.18 0.00 0.00 0.00 0.00 20:00:04 ens3 0.49 0.36 0.12 0.08 0.00 0.00 0.00 0.00 20:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:05 lo 13.91 13.91 7.33 7.33 0.00 0.00 0.00 0.00 20:10:05 ens3 0.76 0.46 0.18 0.12 0.00 0.00 0.00 0.00 20:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:16 lo 15.35 15.35 8.15 8.15 0.00 0.00 0.00 0.00 20:20:16 ens3 0.68 0.48 0.17 0.11 0.00 0.00 0.00 0.00 20:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:16 lo 15.58 15.58 8.96 8.96 0.00 0.00 0.00 0.00 20:30:16 ens3 1.00 0.83 0.29 0.24 0.00 0.00 0.00 0.00 20:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:16 lo 31.60 31.60 12.26 12.26 0.00 0.00 0.00 0.00 20:40:16 ens3 0.71 0.58 0.16 0.14 0.00 0.00 0.00 0.00 20:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.34 19.34 9.52 9.52 0.00 0.00 0.00 0.00 Average: ens3 16.29 11.94 190.97 1.75 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-14369) 12/16/25 _x86_64_ (4 CPU) 18:39:43 LINUX RESTART (4 CPU) 18:40:00 CPU %user %nice %system %iowait %steal %idle 18:50:16 all 44.71 0.00 2.68 1.90 0.09 50.61 18:50:16 0 44.85 0.00 3.02 1.22 0.09 50.81 18:50:16 1 44.07 0.00 2.37 1.67 0.09 51.80 18:50:16 2 45.31 0.00 2.78 3.33 0.10 48.48 18:50:16 3 44.62 0.00 2.57 1.36 0.09 51.36 19:00:00 all 59.04 0.00 2.39 0.12 0.12 38.33 19:00:00 0 59.37 0.00 2.43 0.08 0.11 38.00 19:00:00 1 58.97 0.00 2.39 0.17 0.12 38.35 19:00:00 2 58.14 0.00 2.45 0.09 0.11 39.21 19:00:00 3 59.68 0.00 2.29 0.15 0.12 37.77 19:10:16 all 14.90 0.00 0.69 0.06 0.10 84.26 19:10:16 0 14.63 0.00 0.71 0.02 0.10 84.55 19:10:16 1 15.22 0.00 0.68 0.03 0.10 83.97 19:10:16 2 15.15 0.00 0.73 0.03 0.10 84.00 19:10:16 3 14.59 0.00 0.63 0.17 0.10 84.50 19:20:04 all 15.78 0.00 0.60 0.04 0.09 83.50 19:20:04 0 15.20 0.00 0.53 0.08 0.09 84.11 19:20:04 1 16.24 0.00 0.68 0.04 0.10 82.95 19:20:04 2 15.84 0.00 0.56 0.03 0.09 83.47 19:20:04 3 15.83 0.00 0.63 0.00 0.08 83.45 19:30:04 all 17.89 0.00 0.69 0.04 0.09 81.29 19:30:04 0 17.87 0.00 0.55 0.02 0.09 81.47 19:30:04 1 18.85 0.00 0.77 0.09 0.10 80.20 19:30:04 2 17.60 0.00 0.78 0.03 0.10 81.49 19:30:04 3 17.25 0.00 0.65 0.02 0.09 81.99 19:40:04 all 27.00 0.00 0.89 0.04 0.09 71.99 19:40:04 0 27.30 0.00 0.93 0.06 0.09 71.62 19:40:04 1 26.41 0.00 0.97 0.03 0.09 72.50 19:40:04 2 27.15 0.00 0.81 0.02 0.09 71.93 19:40:04 3 27.13 0.00 0.84 0.05 0.08 71.90 19:50:04 all 7.99 0.00 0.45 0.03 0.09 91.45 19:50:04 0 7.67 0.00 0.43 0.06 0.09 91.75 19:50:04 1 8.27 0.00 0.52 0.03 0.09 91.09 19:50:04 2 8.21 0.00 0.46 0.01 0.09 91.24 19:50:04 3 7.81 0.00 0.39 0.01 0.08 91.71 20:00:04 all 8.75 0.00 0.38 0.02 0.08 90.77 20:00:04 0 8.64 0.00 0.32 0.02 0.08 90.94 20:00:04 1 8.82 0.00 0.38 0.03 0.09 90.68 20:00:04 2 8.62 0.00 0.48 0.03 0.09 90.79 20:00:04 3 8.90 0.00 0.36 0.01 0.08 90.66 20:10:05 all 8.18 0.00 0.37 0.04 0.09 91.33 20:10:05 0 7.98 0.00 0.36 0.09 0.09 91.49 20:10:05 1 7.90 0.00 0.32 0.02 0.09 91.66 20:10:05 2 8.79 0.00 0.40 0.03 0.09 90.69 20:10:05 3 8.02 0.00 0.38 0.02 0.08 91.49 20:20:16 all 2.82 0.00 0.20 0.02 0.09 96.88 20:20:16 0 2.51 0.00 0.18 0.02 0.09 97.19 20:20:16 1 2.78 0.00 0.20 0.03 0.09 96.90 20:20:16 2 3.05 0.00 0.22 0.00 0.09 96.64 20:20:16 3 2.93 0.00 0.19 0.01 0.08 96.79 20:30:16 all 18.36 0.00 0.67 0.05 0.09 80.82 20:30:16 0 18.76 0.00 0.65 0.04 0.09 80.46 20:30:16 1 18.25 0.00 0.67 0.04 0.10 80.93 20:30:16 2 17.79 0.00 0.87 0.10 0.09 81.16 20:30:16 3 18.65 0.00 0.51 0.01 0.09 80.75 20:30:16 CPU %user %nice %system %iowait %steal %idle 20:40:16 all 9.82 0.00 0.47 0.03 0.09 89.60 20:40:16 0 9.03 0.00 0.50 0.06 0.09 90.33 20:40:16 1 10.35 0.00 0.47 0.04 0.09 89.06 20:40:16 2 10.13 0.00 0.45 0.01 0.09 89.33 20:40:16 3 9.76 0.00 0.45 0.01 0.08 89.70 Average: all 19.53 0.00 0.87 0.20 0.09 79.30 Average: 0 19.42 0.00 0.88 0.15 0.09 79.45 Average: 1 19.61 0.00 0.87 0.19 0.10 79.24 Average: 2 19.57 0.00 0.91 0.31 0.09 79.10 Average: 3 19.53 0.00 0.82 0.15 0.09 79.41