---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-30102 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 886 24669 4 6536 30738 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:56:e8:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83120sec preferred_lft 83120sec inet6 fe80::f816:3eff:fe56:e84d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:00:16:bb:67:46 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-30102) 06/24/26 _x86_64_ (8 CPU) 09:28:18 LINUX RESTART (8 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:05 4.58 0.27 3.89 0.41 207.29 522.27 16682.65 09:50:05 41.42 4.58 35.97 0.87 264.35 3832.41 954.80 10:00:01 25.39 0.24 22.28 2.87 10.39 3356.77 7958.71 10:10:05 32.95 0.01 28.51 4.43 0.07 2469.69 17322.38 10:20:05 29.36 0.01 25.69 3.66 0.09 2667.52 16387.31 Average: 26.72 1.02 23.25 2.45 96.57 2566.12 11878.15 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:05 29951120 31821860 559368 1.70 64148 2142400 1499744 4.42 289400 2326856 144 09:50:05 26996932 30218072 2097004 6.38 128720 3372168 2571092 7.58 597796 4878684 270484 10:00:01 25292344 29158988 3147984 9.58 168652 3915280 3481420 10.27 792416 6322876 95776 10:10:05 24977648 29225260 3078236 9.37 199892 4228528 3207248 9.46 895768 6491584 97888 10:20:05 24261748 28914336 3385308 10.30 221332 4577164 3736484 11.02 1008932 7044840 29668 Average: 26295958 29867703 2453580 7.47 156549 3647108 2899198 8.55 716862 5412968 98792 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:05 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 09:40:05 ens3 55.61 36.03 149.08 5.20 0.00 0.00 0.00 0.00 09:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 134.03 134.03 127.47 127.47 0.00 0.00 0.00 0.00 09:50:05 ens3 101.81 74.88 995.83 16.60 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 1241.27 1241.27 1181.47 1181.47 0.00 0.00 0.00 0.00 10:00:01 ens3 33.88 27.70 85.92 8.12 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 1890.12 1890.12 1801.10 1801.10 0.00 0.00 0.00 0.00 10:10:05 ens3 18.88 15.78 7.89 5.10 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:05 lo 1465.98 1465.98 1395.79 1395.79 0.00 0.00 0.00 0.00 10:20:05 ens3 21.76 18.80 8.76 6.54 0.00 0.00 0.00 0.00 10:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 945.88 945.88 900.76 900.76 0.00 0.00 0.00 0.00 Average: ens3 46.38 34.63 249.28 8.30 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-30102) 06/24/26 _x86_64_ (8 CPU) 09:28:18 LINUX RESTART (8 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:05 all 0.27 0.00 0.09 0.08 0.01 99.54 09:40:05 0 0.24 0.00 0.07 0.07 0.01 99.61 09:40:05 1 0.27 0.00 0.07 0.03 0.00 99.62 09:40:05 2 0.46 0.00 0.24 0.02 0.01 99.27 09:40:05 3 0.17 0.00 0.05 0.05 0.00 99.73 09:40:05 4 0.25 0.00 0.09 0.05 0.00 99.60 09:40:05 5 0.55 0.00 0.08 0.01 0.02 99.34 09:40:05 6 0.11 0.00 0.06 0.03 0.01 99.79 09:40:05 7 0.14 0.00 0.07 0.41 0.01 99.37 09:50:05 all 8.12 0.00 0.47 0.31 0.03 91.07 09:50:05 0 5.13 0.00 0.28 0.07 0.03 94.49 09:50:05 1 12.11 0.00 0.70 0.23 0.04 86.93 09:50:05 2 9.32 0.00 0.32 0.21 0.03 90.12 09:50:05 3 7.02 0.00 0.42 0.69 0.03 91.85 09:50:05 4 8.31 0.00 0.47 0.10 0.03 91.10 09:50:05 5 6.25 0.00 0.43 0.09 0.03 93.20 09:50:05 6 10.47 0.00 0.69 0.50 0.03 88.30 09:50:05 7 6.34 0.00 0.45 0.61 0.03 92.57 10:00:01 all 38.49 0.00 1.59 0.63 0.10 59.19 10:00:01 0 36.86 0.00 1.36 0.09 0.11 61.57 10:00:01 1 38.91 0.00 1.71 0.36 0.10 58.92 10:00:01 2 37.95 0.00 1.70 0.39 0.10 59.86 10:00:01 3 41.13 0.00 1.80 0.36 0.11 56.60 10:00:01 4 40.16 0.00 1.64 0.87 0.11 57.22 10:00:01 5 44.65 0.00 1.58 0.37 0.11 53.29 10:00:01 6 33.63 0.00 1.42 1.21 0.09 63.65 10:00:01 7 34.66 0.00 1.51 1.37 0.09 62.37 10:10:05 all 34.37 0.00 1.74 0.84 0.11 62.93 10:10:05 0 33.20 0.00 1.90 0.77 0.11 64.02 10:10:05 1 33.99 0.00 1.95 1.07 0.11 62.87 10:10:05 2 32.51 0.00 1.74 1.03 0.10 64.62 10:10:05 3 34.08 0.00 1.72 0.18 0.12 63.91 10:10:05 4 32.90 0.00 1.60 0.16 0.10 65.24 10:10:05 5 40.19 0.00 1.56 1.00 0.11 57.14 10:10:05 6 34.63 0.00 1.62 0.30 0.11 63.34 10:10:05 7 33.50 0.00 1.84 2.23 0.10 62.33 10:20:05 all 36.66 0.00 1.75 0.34 0.12 61.13 10:20:05 0 31.95 0.00 1.94 0.51 0.10 65.49 10:20:05 1 38.39 0.00 1.93 0.09 0.11 59.49 10:20:05 2 36.53 0.00 1.88 0.57 0.11 60.92 10:20:05 3 38.13 0.00 1.80 0.28 0.11 59.68 10:20:05 4 37.66 0.00 1.34 0.57 0.12 60.31 10:20:05 5 37.75 0.00 1.73 0.25 0.12 60.16 10:20:05 6 34.32 0.00 1.43 0.31 0.11 63.83 10:20:05 7 38.59 0.00 1.93 0.18 0.15 59.15 Average: all 23.51 0.00 1.13 0.44 0.07 74.85 Average: 0 21.41 0.00 1.11 0.30 0.07 77.11 Average: 1 24.66 0.00 1.27 0.35 0.07 73.65 Average: 2 23.28 0.00 1.17 0.45 0.07 75.03 Average: 3 24.03 0.00 1.15 0.31 0.07 74.44 Average: 4 23.78 0.00 1.03 0.35 0.07 74.78 Average: 5 25.78 0.00 1.07 0.34 0.08 72.72 Average: 6 22.58 0.00 1.04 0.47 0.07 75.84 Average: 7 22.59 0.00 1.16 0.96 0.08 75.22