---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18882 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 18G 138G 12% / 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 768 19577 4 11746 30855 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:7c:6a:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.117/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82976sec preferred_lft 82976sec inet6 fe80::f816:3eff:fe7c:6a24/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:f9:9a:f5:bb:2e 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 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-18882) 02/21/26 _x86_64_ (8 CPU) 12:16:41 LINUX RESTART (8 CPU) 12:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:30:20 5.45 0.57 4.50 0.38 397.89 618.60 5841.97 12:40:02 49.80 5.25 43.65 0.90 337.52 3965.50 1133.92 12:50:03 16.08 0.53 14.54 1.01 21.27 4361.18 3935.85 13:00:02 9.82 0.11 8.92 0.79 3.34 896.22 55.64 13:10:15 287.59 0.51 283.95 3.13 5.42 18331.70 25801.61 Average: 74.33 1.36 71.72 1.25 152.91 5665.87 7456.90 12:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:30:20 29851288 31749828 631464 1.92 64300 2170232 1536096 4.53 312532 2407384 20 12:40:02 27451868 30459168 1857980 5.65 132384 3156488 2898408 8.55 539608 4472452 16976 12:50:03 23738004 28001188 4302588 13.09 167860 4300020 4852236 14.31 723140 7921640 21912 13:00:02 22392868 26876152 5423084 16.50 174256 4491792 8420144 24.83 785564 9175544 2932 13:10:15 17747628 28077888 4167756 12.68 444872 9424688 3700564 10.91 1758756 12098532 617804 Average: 24236331 29032845 3276574 9.97 196734 4708644 4281490 12.63 823920 7215110 131929 12:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:30:20 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 12:30:20 ens3 12.54 7.31 204.91 1.27 0.00 0.00 0.00 0.00 12:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:02 lo 0.25 0.25 0.03 0.03 0.00 0.00 0.00 0.00 12:40:02 ens3 112.72 67.55 786.89 20.53 0.00 0.00 0.00 0.00 12:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:03 lo 2.21 2.21 1.04 1.04 0.00 0.00 0.00 0.00 12:50:03 ens3 231.29 133.69 421.10 59.01 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 5.76 5.76 0.97 0.97 0.00 0.00 0.00 0.00 13:00:02 ens3 22.73 17.17 101.53 6.56 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:15 lo 0.41 0.41 0.06 0.06 0.00 0.00 0.00 0.00 13:10:15 ens3 120.60 78.91 602.75 20.20 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.75 1.75 0.42 0.42 0.00 0.00 0.00 0.00 Average: ens3 99.51 60.67 420.76 21.41 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 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-18882) 02/21/26 _x86_64_ (8 CPU) 12:16:41 LINUX RESTART (8 CPU) 12:20:01 CPU %user %nice %system %iowait %steal %idle 12:30:20 all 0.30 0.00 0.07 0.07 0.02 99.54 12:30:20 0 0.20 0.00 0.06 0.10 0.02 99.62 12:30:20 1 0.22 0.00 0.10 0.04 0.01 99.62 12:30:20 2 0.86 0.00 0.05 0.06 0.02 99.01 12:30:20 3 0.33 0.00 0.08 0.02 0.03 99.55 12:30:20 4 0.31 0.00 0.07 0.21 0.00 99.41 12:30:20 5 0.19 0.00 0.06 0.04 0.01 99.70 12:30:20 6 0.12 0.00 0.10 0.05 0.03 99.69 12:30:20 7 0.19 0.00 0.07 0.01 0.00 99.72 12:40:02 all 6.08 0.00 0.38 0.23 0.02 93.29 12:40:02 0 5.22 0.00 0.30 0.38 0.02 94.08 12:40:02 1 5.44 0.00 0.30 0.18 0.02 94.06 12:40:02 2 7.69 0.00 0.58 0.29 0.04 91.40 12:40:02 3 7.26 0.00 0.53 0.43 0.02 91.75 12:40:02 4 5.13 0.00 0.35 0.02 0.02 94.48 12:40:02 5 6.70 0.00 0.41 0.11 0.02 92.76 12:40:02 6 5.35 0.00 0.30 0.37 0.02 93.96 12:40:02 7 5.82 0.00 0.28 0.08 0.02 93.80 12:50:03 all 48.70 0.00 1.82 0.14 0.09 49.25 12:50:03 0 45.37 0.00 1.86 0.01 0.09 52.67 12:50:03 1 51.32 0.00 1.94 0.04 0.09 46.61 12:50:03 2 58.47 0.00 1.85 0.04 0.10 39.53 12:50:03 3 48.27 0.00 1.86 0.21 0.09 49.57 12:50:03 4 46.52 0.00 1.80 0.31 0.08 51.29 12:50:03 5 44.59 0.00 1.83 0.35 0.09 53.15 12:50:03 6 50.11 0.00 1.65 0.15 0.09 48.01 12:50:03 7 44.94 0.00 1.81 0.04 0.09 53.13 13:00:02 all 81.68 0.00 2.33 0.01 0.11 15.86 13:00:02 0 80.51 0.00 2.39 0.01 0.12 16.97 13:00:02 1 81.92 0.00 2.27 0.00 0.12 15.70 13:00:02 2 81.20 0.00 2.64 0.00 0.09 16.07 13:00:02 3 81.41 0.00 2.30 0.00 0.11 16.18 13:00:02 4 82.22 0.00 2.28 0.01 0.12 15.37 13:00:02 5 83.24 0.00 2.42 0.02 0.12 14.21 13:00:02 6 81.17 0.00 2.30 0.05 0.11 16.38 13:00:02 7 81.81 0.00 2.07 0.00 0.12 16.00 13:10:15 all 63.38 0.00 3.08 0.69 0.10 32.75 13:10:15 0 63.49 0.00 2.92 0.38 0.10 33.11 13:10:15 1 63.10 0.00 2.87 0.61 0.11 33.31 13:10:15 2 63.89 0.00 3.86 0.69 0.09 31.48 13:10:15 3 62.94 0.00 3.08 1.45 0.10 32.43 13:10:15 4 61.84 0.00 2.87 0.66 0.11 34.51 13:10:15 5 62.39 0.00 2.65 1.14 0.09 33.73 13:10:15 6 65.20 0.00 3.36 0.30 0.10 31.05 13:10:15 7 64.24 0.00 2.99 0.31 0.11 32.35 Average: all 40.05 0.00 1.54 0.23 0.07 58.12 Average: 0 38.99 0.00 1.51 0.17 0.07 59.25 Average: 1 40.43 0.00 1.50 0.18 0.07 57.83 Average: 2 42.40 0.00 1.80 0.22 0.07 55.51 Average: 3 40.05 0.00 1.57 0.42 0.07 57.88 Average: 4 39.22 0.00 1.48 0.24 0.07 58.99 Average: 5 39.44 0.00 1.47 0.33 0.07 58.69 Average: 6 40.41 0.00 1.54 0.18 0.07 57.79 Average: 7 39.43 0.00 1.45 0.09 0.07 58.97