---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-32308 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 782 25116 4 6193 30842 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:1b:ad:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82597sec preferred_lft 82597sec inet6 fe80::f816:3eff:fe1b:ada8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:73:bc:67:e5:82 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-32308) 07/02/26 _x86_64_ (8 CPU) 07:23:52 LINUX RESTART (8 CPU) 07:30:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:04 1.17 0.01 1.17 0.00 0.04 13.68 0.14 07:50:26 1.04 0.00 1.03 0.00 0.00 12.13 0.12 08:00:00 1.05 0.00 1.05 0.00 0.00 11.79 0.00 08:10:04 1.12 0.00 1.12 0.00 0.00 13.20 0.00 08:20:26 42.91 3.51 38.70 0.70 120.10 8858.98 3829.16 Average: 9.80 0.73 8.93 0.15 25.03 1855.78 797.84 07:30:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:04 30229880 31883688 503336 1.53 59960 1931840 1511888 4.46 210152 2132700 256 07:50:26 30227672 31881788 505248 1.54 60268 1931848 1511872 4.46 210448 2133976 56 08:00:00 30225236 31879724 507292 1.54 60604 1931860 1512016 4.46 210800 2137476 144 08:10:04 30222984 31877944 509124 1.55 60924 1932000 1511952 4.46 211120 2138256 156 08:20:26 25945128 30257932 2058616 6.26 103616 4490156 2331980 6.88 1188760 5321632 169124 Average: 29370180 31556215 816723 2.49 69074 2443541 1675942 4.94 406256 2772808 33947 07:30:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:04 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:40:04 ens3 0.49 0.21 0.25 0.09 0.00 0.00 0.00 0.00 07:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:26 ens3 0.29 0.11 0.08 0.04 0.00 0.00 0.00 0.00 07:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:00 ens3 0.43 0.19 0.14 0.10 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:04 ens3 0.34 0.13 0.10 0.07 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:26 lo 187.56 187.56 219.34 219.34 0.00 0.00 0.00 0.00 08:20:26 ens3 216.94 148.46 1143.81 49.70 0.00 0.00 0.00 0.00 08:20:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 39.16 39.16 45.71 45.71 0.00 0.00 0.00 0.00 Average: ens3 45.50 31.06 238.42 10.41 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-32308) 07/02/26 _x86_64_ (8 CPU) 07:23:52 LINUX RESTART (8 CPU) 07:30:41 CPU %user %nice %system %iowait %steal %idle 07:40:04 all 0.04 0.00 0.02 0.42 0.01 99.51 07:40:04 0 0.01 0.00 0.01 3.30 0.01 96.67 07:40:04 1 0.05 0.00 0.03 0.00 0.01 99.90 07:40:04 2 0.03 0.00 0.03 0.06 0.01 99.87 07:40:04 3 0.06 0.00 0.01 0.00 0.04 99.89 07:40:04 4 0.15 0.00 0.01 0.00 0.00 99.83 07:40:04 5 0.01 0.00 0.01 0.00 0.01 99.97 07:40:04 6 0.01 0.00 0.01 0.00 0.00 99.98 07:40:04 7 0.02 0.00 0.02 0.00 0.01 99.96 07:50:26 all 0.07 0.00 0.02 0.08 0.01 99.82 07:50:26 0 0.01 0.00 0.01 0.01 0.00 99.96 07:50:26 1 0.04 0.00 0.04 0.09 0.01 99.82 07:50:26 2 0.02 0.00 0.02 0.43 0.00 99.53 07:50:26 3 0.48 0.00 0.02 0.12 0.01 99.38 07:50:26 4 0.01 0.00 0.00 0.00 0.00 99.99 07:50:26 5 0.01 0.00 0.01 0.02 0.00 99.96 07:50:26 6 0.00 0.00 0.00 0.00 0.00 99.99 07:50:26 7 0.03 0.00 0.02 0.00 0.01 99.94 08:00:00 all 0.04 0.00 0.02 0.09 0.01 99.85 08:00:00 0 0.00 0.00 0.00 0.00 0.00 99.99 08:00:00 1 0.15 0.00 0.04 0.21 0.01 99.59 08:00:00 2 0.02 0.00 0.02 0.37 0.02 99.57 08:00:00 3 0.07 0.00 0.01 0.02 0.01 99.90 08:00:00 4 0.04 0.00 0.01 0.09 0.00 99.86 08:00:00 5 0.00 0.00 0.01 0.00 0.00 99.98 08:00:00 6 0.01 0.00 0.01 0.00 0.00 99.97 08:00:00 7 0.02 0.00 0.02 0.02 0.00 99.93 08:10:04 all 0.04 0.00 0.01 0.01 0.00 99.94 08:10:04 0 0.00 0.00 0.01 0.00 0.00 99.99 08:10:04 1 0.22 0.00 0.03 0.03 0.01 99.72 08:10:04 2 0.02 0.00 0.01 0.00 0.00 99.97 08:10:04 3 0.00 0.00 0.01 0.00 0.00 99.98 08:10:04 4 0.00 0.00 0.00 0.01 0.00 99.98 08:10:04 5 0.01 0.00 0.01 0.00 0.00 99.98 08:10:04 6 0.01 0.00 0.01 0.00 0.00 99.97 08:10:04 7 0.03 0.00 0.02 0.00 0.00 99.95 08:20:26 all 11.86 0.00 0.80 0.45 0.22 86.67 08:20:26 0 15.50 0.00 0.65 0.06 0.26 83.53 08:20:26 1 13.43 0.00 0.90 0.88 0.20 84.59 08:20:26 2 11.88 0.00 0.94 0.19 0.41 86.58 08:20:26 3 13.48 0.00 1.09 1.59 0.22 83.63 08:20:26 4 10.65 0.00 0.58 0.15 0.21 88.41 08:20:26 5 10.89 0.00 0.89 0.11 0.19 87.93 08:20:26 6 8.62 0.00 0.66 0.50 0.20 90.02 08:20:26 7 10.43 0.00 0.69 0.10 0.09 88.69 Average: all 2.51 0.00 0.18 0.21 0.05 97.06 Average: 0 3.23 0.00 0.14 0.64 0.06 95.93 Average: 1 2.90 0.00 0.21 0.25 0.05 96.59 Average: 2 2.49 0.00 0.21 0.21 0.09 97.00 Average: 3 2.92 0.00 0.24 0.36 0.06 96.43 Average: 4 2.26 0.00 0.13 0.05 0.05 97.52 Average: 5 2.27 0.00 0.19 0.03 0.04 97.47 Average: 6 1.80 0.00 0.14 0.10 0.04 97.91 Average: 7 2.19 0.00 0.16 0.02 0.02 97.60