---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-6668 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: 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: 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 11G 145G 7% / 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 762 26698 4 4631 30862 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:6c:d8:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82601sec preferred_lft 82601sec inet6 fe80::f816:3eff:fe6c:d832/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:92:ce:a4:8c:41 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-8c-8g-6668) 03/21/26 _x86_64_ (8 CPU) 13:58:43 LINUX RESTART (8 CPU) 14:00:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:26 1.14 0.04 1.08 0.01 2.00 16.36 217.15 14:20:01 0.94 0.01 0.93 0.00 0.32 13.27 0.00 14:30:26 14.55 0.01 1.28 13.26 0.56 16.35 493356.66 14:40:26 1.25 0.00 1.25 0.00 0.00 16.09 0.00 14:50:04 1.76 0.39 1.36 0.00 16.63 50.08 0.01 15:00:16 66.00 4.28 59.38 2.33 257.81 9177.48 8052.32 Average: 14.62 0.80 11.11 2.71 47.12 1583.37 87294.17 14:00:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:26 30234556 31874936 511612 1.56 60076 1918200 1512152 4.46 200196 2139428 12 14:20:01 30185780 31826700 559704 1.70 60540 1918284 1512812 4.46 200648 2198924 8 14:30:26 30173196 31825080 561076 1.71 61460 1928292 1512844 4.46 211472 2201068 12 14:40:26 30171432 31824044 562420 1.71 62052 1928428 1512860 4.46 212048 2204460 4 14:50:04 30001652 31669500 716920 2.18 62772 1942724 1525864 4.50 215876 2366932 416 15:00:16 25860720 30089332 2220752 6.76 142784 4324584 2361688 6.96 886024 5661964 9488 Average: 29437889 31518265 855414 2.60 74947 2326752 1656370 4.88 321044 2795463 1657 14:00:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:26 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:10:26 ens3 0.33 0.14 0.11 0.06 0.00 0.00 0.00 0.00 14:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:20:01 ens3 5.29 3.89 3.60 2.52 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:26 ens3 0.36 0.17 0.12 0.08 0.00 0.00 0.00 0.00 14:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:40:26 ens3 0.55 0.23 0.20 0.13 0.00 0.00 0.00 0.00 14:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:04 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 14:50:04 ens3 8.94 8.15 20.95 7.18 0.00 0.00 0.00 0.00 14:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 664.54 664.54 639.50 639.50 0.00 0.00 0.00 0.00 15:00:16 ens3 124.34 94.25 1276.85 18.07 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 113.40 113.40 109.05 109.05 0.00 0.00 0.00 0.00 Average: ens3 23.70 18.10 221.75 4.69 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-8c-8g-6668) 03/21/26 _x86_64_ (8 CPU) 13:58:43 LINUX RESTART (8 CPU) 14:00:26 CPU %user %nice %system %iowait %steal %idle 14:10:26 all 0.06 0.00 0.01 0.00 0.01 99.91 14:10:26 0 0.02 0.00 0.02 0.00 0.01 99.95 14:10:26 1 0.02 0.00 0.02 0.00 0.01 99.95 14:10:26 2 0.01 0.00 0.00 0.00 0.00 99.98 14:10:26 3 0.02 0.00 0.01 0.00 0.01 99.96 14:10:26 4 0.01 0.00 0.01 0.01 0.01 99.97 14:10:26 5 0.36 0.00 0.03 0.00 0.02 99.59 14:10:26 6 0.01 0.00 0.01 0.00 0.01 99.97 14:10:26 7 0.03 0.00 0.02 0.03 0.01 99.92 14:20:01 all 0.05 0.00 0.02 0.01 0.01 99.91 14:20:01 0 0.02 0.00 0.02 0.00 0.01 99.96 14:20:01 1 0.07 0.00 0.01 0.00 0.01 99.91 14:20:01 2 0.09 0.00 0.03 0.00 0.00 99.87 14:20:01 3 0.11 0.00 0.01 0.00 0.01 99.87 14:20:01 4 0.01 0.00 0.01 0.02 0.01 99.94 14:20:01 5 0.10 0.00 0.04 0.00 0.04 99.82 14:20:01 6 0.01 0.00 0.01 0.00 0.00 99.99 14:20:01 7 0.01 0.00 0.01 0.04 0.01 99.93 14:30:26 all 0.05 0.00 0.02 0.03 0.01 99.89 14:30:26 0 0.12 0.00 0.02 0.00 0.01 99.85 14:30:26 1 0.01 0.00 0.01 0.00 0.01 99.96 14:30:26 2 0.01 0.00 0.02 0.01 0.00 99.95 14:30:26 3 0.01 0.00 0.01 0.00 0.00 99.98 14:30:26 4 0.04 0.00 0.01 0.01 0.01 99.92 14:30:26 5 0.02 0.00 0.04 0.00 0.03 99.92 14:30:26 6 0.01 0.00 0.02 0.16 0.00 99.81 14:30:26 7 0.20 0.00 0.01 0.08 0.00 99.70 14:40:26 all 0.04 0.00 0.02 0.03 0.01 99.91 14:40:26 0 0.02 0.00 0.02 0.00 0.01 99.96 14:40:26 1 0.02 0.00 0.02 0.01 0.01 99.93 14:40:26 2 0.01 0.00 0.01 0.04 0.00 99.93 14:40:26 3 0.01 0.00 0.02 0.02 0.01 99.94 14:40:26 4 0.19 0.00 0.02 0.00 0.02 99.77 14:40:26 5 0.03 0.00 0.03 0.01 0.02 99.90 14:40:26 6 0.03 0.00 0.00 0.00 0.00 99.97 14:40:26 7 0.01 0.00 0.02 0.13 0.01 99.84 14:50:04 all 0.16 0.00 0.03 0.20 0.01 99.61 14:50:04 0 0.12 0.00 0.03 0.12 0.01 99.72 14:50:04 1 0.14 0.00 0.04 0.04 0.02 99.76 14:50:04 2 0.33 0.00 0.03 0.02 0.01 99.61 14:50:04 3 0.06 0.00 0.02 0.05 0.01 99.85 14:50:04 4 0.17 0.00 0.02 0.02 0.01 99.78 14:50:04 5 0.02 0.00 0.04 0.07 0.01 99.86 14:50:04 6 0.27 0.00 0.00 0.00 0.00 99.72 14:50:04 7 0.13 0.00 0.03 1.26 0.00 98.57 15:00:16 all 22.24 0.00 1.14 0.64 0.07 75.91 15:00:16 0 20.43 0.00 0.94 0.69 0.06 77.89 15:00:16 1 21.79 0.00 1.12 0.27 0.07 76.75 15:00:16 2 21.78 0.00 1.20 0.89 0.07 76.06 15:00:16 3 23.01 0.00 1.06 0.67 0.06 75.19 15:00:16 4 24.18 0.00 1.35 0.82 0.07 73.58 15:00:16 5 22.92 0.00 1.09 0.17 0.07 75.75 15:00:16 6 22.25 0.00 1.10 0.69 0.07 75.90 15:00:16 7 21.59 0.00 1.23 0.94 0.06 76.18 Average: all 3.84 0.00 0.21 0.15 0.02 95.78 Average: 0 3.52 0.00 0.18 0.14 0.02 96.15 Average: 1 3.75 0.00 0.21 0.06 0.02 95.96 Average: 2 3.77 0.00 0.22 0.16 0.02 95.83 Average: 3 3.95 0.00 0.19 0.13 0.01 95.72 Average: 4 4.18 0.00 0.24 0.15 0.02 95.41 Average: 5 3.99 0.00 0.21 0.04 0.03 95.73 Average: 6 3.83 0.00 0.19 0.14 0.01 95.81 Average: 7 3.73 0.00 0.22 0.41 0.02 95.62