---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-2984 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: 5599.86 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 722 10554 3 4712 14924 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:2e:17:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79342sec preferred_lft 79342sec inet6 fe80::f816:3eff:fe2e:17dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:d9:22:4c:43:95 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::54d9:22ff:fe4c:4395/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-2984) 04/15/26 _x86_64_ (4 CPU) 10:50:00 LINUX RESTART (4 CPU) 11:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:01 69.89 24.71 42.93 2.25 367.75 5059.97 3452.64 11:20:01 16.55 0.14 15.46 0.96 4.72 500.14 1510.03 11:30:01 6.39 0.04 6.10 0.25 2.44 431.85 289.83 11:40:01 14.19 0.01 13.63 0.55 0.45 377.89 240.96 11:50:01 28.16 0.09 12.33 15.74 1.44 411.62 210607.54 12:00:01 5.45 0.01 5.24 0.21 0.23 143.67 69.12 12:10:01 17.43 12.05 5.21 0.18 142.26 160.56 93.99 12:20:01 4.91 0.00 4.74 0.17 0.31 148.36 92.93 12:30:01 8.84 0.01 8.48 0.35 0.39 548.14 80.99 12:40:01 6.39 0.01 6.15 0.24 0.75 264.07 295.71 Average: 17.82 3.71 12.03 2.09 52.07 804.63 21673.73 11:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:01 6413612 10011408 5921028 36.16 263848 3295704 6728096 38.62 2184692 7166348 3264 11:20:01 1151308 4660048 11271952 68.84 266088 3208308 12496228 71.73 2203736 12422728 204 11:30:01 8680304 12285396 3651236 22.30 269760 3297768 4467856 25.65 2232768 4883720 1128 11:40:01 9392012 13052876 2884344 17.62 272252 3351032 3666656 21.05 2255588 4157932 11224 11:50:01 7761776 11480736 4455192 27.21 275608 3405548 5176700 29.71 2265272 5769192 52 12:00:01 7682448 11419736 4515988 27.58 276152 3423284 5231512 30.03 2266236 5833732 88 12:10:01 6056264 9870444 6064192 37.04 281300 3482436 6812460 39.10 2309144 7406584 352 12:20:01 6037548 9873576 6060816 37.02 282072 3503480 6784440 38.94 2312636 7425768 512 12:30:01 7439864 11401536 4533460 27.69 286140 3618508 5314300 30.50 2321068 6013780 92 12:40:01 7384088 11393728 4541780 27.74 286860 3665664 5711868 32.79 2339472 6050276 232 Average: 6799922 10544948 5389999 32.92 276008 3425173 6239012 35.81 2269061 6713006 1715 11:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:01 lo 31.79 31.79 21.41 21.41 0.00 0.00 0.00 0.00 11:10:01 ens3 1.87 1.54 0.45 0.37 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 42.61 42.61 19.05 19.05 0.00 0.00 0.00 0.00 11:20:01 ens3 1.42 1.34 0.27 1.24 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 13.09 13.09 4.93 4.93 0.00 0.00 0.00 0.00 11:30:01 ens3 0.55 0.37 0.16 0.12 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 7.28 7.28 3.83 3.83 0.00 0.00 0.00 0.00 11:40:01 ens3 0.79 0.63 0.18 0.14 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 20.25 20.25 10.73 10.73 0.00 0.00 0.00 0.00 11:50:01 ens3 0.79 0.68 0.16 0.13 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:01 lo 23.78 23.78 9.03 9.03 0.00 0.00 0.00 0.00 12:00:01 ens3 0.79 0.56 0.22 0.16 0.00 0.00 0.00 0.00 12:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 18.29 18.29 8.41 8.41 0.00 0.00 0.00 0.00 12:10:01 ens3 0.50 0.36 0.10 0.07 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:01 lo 18.70 18.70 10.50 10.50 0.00 0.00 0.00 0.00 12:20:01 ens3 1.29 0.61 0.25 0.14 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 16.94 16.94 9.52 9.52 0.00 0.00 0.00 0.00 12:30:01 ens3 2.59 0.81 0.55 0.28 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 17.01 17.01 6.91 6.91 0.00 0.00 0.00 0.00 12:40:01 ens3 1.28 0.67 0.33 0.22 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.97 20.97 10.43 10.43 0.00 0.00 0.00 0.00 Average: ens3 1.19 0.76 0.27 0.29 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-16g-2984) 04/15/26 _x86_64_ (4 CPU) 10:50:00 LINUX RESTART (4 CPU) 11:00:01 CPU %user %nice %system %iowait %steal %idle 11:10:01 all 53.01 0.00 2.02 0.45 0.11 44.41 11:10:01 0 52.75 0.00 1.95 0.68 0.10 44.52 11:10:01 1 52.85 0.00 2.10 0.18 0.10 44.77 11:10:01 2 53.15 0.00 1.98 0.18 0.11 44.58 11:10:01 3 53.31 0.00 2.04 0.75 0.11 43.79 11:20:01 all 40.41 0.00 1.57 0.05 0.11 57.86 11:20:01 0 40.32 0.00 1.47 0.03 0.11 58.08 11:20:01 1 40.89 0.00 1.55 0.02 0.11 57.45 11:20:01 2 40.34 0.00 1.69 0.04 0.11 57.82 11:20:01 3 40.11 0.00 1.59 0.10 0.11 58.09 11:30:01 all 7.32 0.00 0.53 0.11 0.10 91.95 11:30:01 0 7.15 0.00 0.51 0.37 0.10 91.88 11:30:01 1 8.03 0.00 0.57 0.03 0.10 91.27 11:30:01 2 7.14 0.00 0.55 0.01 0.10 92.19 11:30:01 3 6.95 0.00 0.47 0.03 0.10 92.46 11:40:01 all 19.54 0.00 0.65 0.04 0.09 79.68 11:40:01 0 18.72 0.00 0.61 0.02 0.09 80.57 11:40:01 1 20.34 0.00 0.61 0.02 0.10 78.93 11:40:01 2 19.63 0.00 0.62 0.06 0.10 79.60 11:40:01 3 19.47 0.00 0.76 0.05 0.09 79.64 11:50:01 all 20.92 0.00 0.64 0.06 0.09 78.29 11:50:01 0 20.70 0.00 0.67 0.07 0.09 78.48 11:50:01 1 20.07 0.00 0.60 0.02 0.10 79.21 11:50:01 2 21.10 0.00 0.60 0.03 0.09 78.17 11:50:01 3 21.82 0.00 0.69 0.11 0.10 77.29 12:00:01 all 8.14 0.00 0.37 0.20 0.09 91.20 12:00:01 0 7.60 0.00 0.39 0.57 0.09 91.34 12:00:01 1 8.47 0.00 0.37 0.15 0.10 90.91 12:00:01 2 8.03 0.00 0.35 0.06 0.09 91.47 12:00:01 3 8.46 0.00 0.36 0.02 0.10 91.06 12:10:01 all 9.65 0.08 0.45 0.11 0.09 89.62 12:10:01 0 9.65 0.05 0.45 0.11 0.08 89.65 12:10:01 1 9.46 0.11 0.49 0.12 0.10 89.73 12:10:01 2 9.82 0.15 0.41 0.16 0.09 89.37 12:10:01 3 9.67 0.02 0.44 0.05 0.08 89.75 12:20:01 all 9.59 0.00 0.44 0.04 0.08 89.85 12:20:01 0 9.84 0.00 0.44 0.01 0.08 89.64 12:20:01 1 10.09 0.00 0.46 0.12 0.08 89.25 12:20:01 2 8.84 0.00 0.40 0.04 0.09 90.63 12:20:01 3 9.58 0.00 0.47 0.01 0.08 89.86 12:30:01 all 13.50 0.00 0.59 0.05 0.09 85.76 12:30:01 0 13.42 0.00 0.69 0.06 0.09 85.74 12:30:01 1 13.50 0.00 0.63 0.08 0.10 85.69 12:30:01 2 13.70 0.00 0.49 0.05 0.09 85.67 12:30:01 3 13.38 0.00 0.56 0.03 0.09 85.94 12:40:01 all 12.36 0.00 0.61 0.02 0.10 86.91 12:40:01 0 12.11 0.00 0.56 0.01 0.09 87.23 12:40:01 1 12.79 0.00 0.73 0.03 0.11 86.35 12:40:01 2 12.30 0.00 0.64 0.01 0.10 86.94 12:40:01 3 12.24 0.00 0.53 0.03 0.09 87.10 Average: all 19.43 0.01 0.79 0.11 0.10 79.57 Average: 0 19.21 0.01 0.77 0.19 0.09 79.73 Average: 1 19.64 0.01 0.81 0.08 0.10 79.37 Average: 2 19.40 0.01 0.77 0.06 0.10 79.66 Average: 3 19.48 0.00 0.79 0.12 0.09 79.51