---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30866 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 12G 144G 8% / 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 787 24897 4 6407 30837 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:94:2d:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82914sec preferred_lft 82914sec inet6 fe80::f816:3eff:fe94:2d9f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:41:2e:d1:83:48 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30866) 06/26/26 _x86_64_ (8 CPU) 14:14:32 LINUX RESTART (8 CPU) 14:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:04 1.75 0.01 1.74 0.01 0.04 20.81 0.61 14:40:04 1.42 0.00 1.42 0.00 0.00 15.33 0.01 14:50:04 1.59 0.00 1.59 0.00 0.00 16.80 0.00 15:00:04 15.47 0.00 1.59 13.88 0.15 17.21 513780.26 15:10:01 53.74 3.81 49.18 0.75 134.05 13227.61 8437.09 Average: 14.76 0.76 11.07 2.93 26.74 2648.94 104540.02 14:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:04 30113600 31850840 533220 1.62 62820 2011320 1512004 4.46 230772 2200872 24 14:40:04 30113184 31851144 532836 1.62 63392 2011456 1512116 4.46 231348 2203600 164 14:50:04 30115020 31853540 530596 1.61 63968 2011460 1512068 4.46 231892 2204280 40 15:00:04 30104768 31853956 530132 1.61 64800 2021228 1512068 4.46 242576 2205944 180 15:10:01 26226544 31663940 644016 1.96 133004 5538060 1156388 3.41 1383804 4776764 44 Average: 29334623 31814684 554160 1.69 77597 2718705 1440929 4.25 464078 2718292 90 14:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:30:04 ens3 0.46 0.17 0.20 0.04 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:40:04 ens3 0.47 0.19 0.15 0.09 0.00 0.00 0.00 0.00 14:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:50:04 ens3 0.36 0.11 0.08 0.04 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 15:00:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 15:00:04 ens3 0.34 0.15 0.10 0.06 0.00 0.00 0.00 0.00 15:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 157.56 157.56 193.66 193.66 0.00 0.00 0.00 0.00 15:10:01 ens3 711.68 411.81 1754.60 1233.89 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 31.47 31.47 38.58 38.58 0.00 0.00 0.00 0.00 Average: ens3 142.09 82.15 349.62 245.83 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-30866) 06/26/26 _x86_64_ (8 CPU) 14:14:32 LINUX RESTART (8 CPU) 14:20:04 CPU %user %nice %system %iowait %steal %idle 14:30:04 all 0.02 0.00 0.01 0.01 0.01 99.96 14:30:04 0 0.01 0.00 0.02 0.03 0.01 99.93 14:30:04 1 0.02 0.00 0.01 0.01 0.01 99.95 14:30:04 2 0.02 0.00 0.02 0.00 0.01 99.95 14:30:04 3 0.02 0.00 0.02 0.00 0.01 99.95 14:30:04 4 0.02 0.00 0.01 0.00 0.00 99.96 14:30:04 5 0.01 0.00 0.01 0.00 0.00 99.98 14:30:04 6 0.02 0.00 0.02 0.00 0.01 99.95 14:30:04 7 0.01 0.00 0.01 0.00 0.00 99.97 14:40:04 all 0.07 0.00 0.02 0.01 0.02 99.90 14:40:04 0 0.02 0.00 0.02 0.03 0.01 99.92 14:40:04 1 0.04 0.00 0.04 0.00 0.02 99.90 14:40:04 2 0.02 0.00 0.02 0.00 0.01 99.95 14:40:04 3 0.02 0.00 0.01 0.00 0.01 99.96 14:40:04 4 0.02 0.00 0.01 0.00 0.00 99.97 14:40:04 5 0.01 0.00 0.01 0.00 0.01 99.97 14:40:04 6 0.40 0.00 0.01 0.00 0.01 99.58 14:40:04 7 0.00 0.00 0.00 0.00 0.08 99.91 14:50:04 all 0.05 0.00 0.01 0.01 0.01 99.92 14:50:04 0 0.02 0.00 0.03 0.03 0.01 99.92 14:50:04 1 0.03 0.00 0.02 0.01 0.02 99.92 14:50:04 2 0.01 0.00 0.01 0.00 0.01 99.96 14:50:04 3 0.01 0.00 0.01 0.00 0.01 99.98 14:50:04 4 0.01 0.00 0.01 0.00 0.01 99.97 14:50:04 5 0.02 0.00 0.02 0.00 0.01 99.96 14:50:04 6 0.33 0.00 0.01 0.00 0.01 99.64 14:50:04 7 0.00 0.00 0.00 0.00 0.00 99.99 15:00:04 all 0.07 0.00 0.02 0.03 0.01 99.87 15:00:04 0 0.01 0.00 0.01 0.04 0.01 99.94 15:00:04 1 0.03 0.00 0.05 0.16 0.03 99.73 15:00:04 2 0.02 0.00 0.02 0.01 0.02 99.95 15:00:04 3 0.02 0.00 0.02 0.00 0.01 99.95 15:00:04 4 0.01 0.00 0.01 0.00 0.01 99.98 15:00:04 5 0.03 0.00 0.02 0.00 0.01 99.95 15:00:04 6 0.49 0.00 0.00 0.00 0.01 99.50 15:00:04 7 0.01 0.00 0.01 0.00 0.00 99.98 15:10:01 all 13.07 0.00 0.98 0.63 0.05 85.28 15:10:01 0 17.15 0.00 0.96 0.20 0.05 81.64 15:10:01 1 11.91 0.00 0.91 3.42 0.05 83.71 15:10:01 2 10.07 0.00 0.70 0.46 0.04 88.73 15:10:01 3 12.39 0.00 1.01 0.24 0.05 86.31 15:10:01 4 12.58 0.00 1.08 0.06 0.04 86.25 15:10:01 5 16.12 0.00 1.16 0.04 0.05 82.64 15:10:01 6 12.25 0.00 0.90 0.19 0.05 86.62 15:10:01 7 12.08 0.00 1.13 0.41 0.05 86.34 Average: all 2.64 0.00 0.21 0.13 0.02 97.00 Average: 0 3.42 0.00 0.21 0.07 0.02 96.29 Average: 1 2.39 0.00 0.21 0.72 0.03 96.66 Average: 2 2.02 0.00 0.15 0.09 0.02 97.72 Average: 3 2.48 0.00 0.21 0.05 0.02 97.25 Average: 4 2.51 0.00 0.22 0.01 0.01 97.24 Average: 5 3.22 0.00 0.24 0.01 0.01 96.52 Average: 6 2.68 0.00 0.19 0.04 0.02 97.08 Average: 7 2.41 0.00 0.23 0.08 0.03 97.25