---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-54508 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: 5599.99 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 918 24928 4 6245 30705 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:43:da:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83685sec preferred_lft 83685sec inet6 fe80::f816:3eff:fe43:da75/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:2e:d1:ed:6d:1d 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-54508) 03/31/26 _x86_64_ (8 CPU) 09:36:15 LINUX RESTART (8 CPU) 09:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 28.84 2.60 23.43 2.81 145.81 4334.00 7435.00 10:00:04 38.30 0.01 33.17 5.11 0.12 2625.16 29118.66 10:10:01 30.49 0.01 26.92 3.56 0.08 2972.76 12929.77 10:20:01 9.78 0.30 8.31 1.17 11.67 5032.92 427.61 Average: 26.86 0.73 22.97 3.17 39.28 3739.78 12506.17 09:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 25655724 29232760 3076664 9.36 169052 3631412 3221672 9.50 712692 6046380 115396 10:00:04 25442456 29410936 2894768 8.81 200836 3954576 3204060 9.45 823396 6115384 102956 10:10:01 24958024 29473660 2828444 8.61 222176 4442852 2841956 8.38 974484 6398900 77992 10:20:01 25724912 31626696 670008 2.04 233560 5768280 1223936 3.61 1500704 5011252 12 Average: 25445279 29936013 2367471 7.20 206406 4449280 2622906 7.73 1002819 5892979 74089 09:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 1085.86 1085.86 1032.79 1032.79 0.00 0.00 0.00 0.00 09:50:01 ens3 100.92 75.89 667.43 21.91 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:04 lo 2184.20 2184.20 2081.76 2081.76 0.00 0.00 0.00 0.00 10:00:04 ens3 39.08 29.05 17.84 13.90 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 1346.80 1346.80 1281.30 1281.30 0.00 0.00 0.00 0.00 10:10:01 ens3 46.81 32.62 20.15 16.06 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 20.59 20.59 5.03 5.03 0.00 0.00 0.00 0.00 10:20:01 ens3 90.81 103.35 204.56 923.16 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1160.65 1160.65 1101.44 1101.44 0.00 0.00 0.00 0.00 Average: ens3 69.35 60.19 226.88 243.97 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-54508) 03/31/26 _x86_64_ (8 CPU) 09:36:15 LINUX RESTART (8 CPU) 09:40:04 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 40.80 0.00 1.60 0.07 0.08 57.45 09:50:01 0 37.37 0.00 1.56 0.07 0.07 60.92 09:50:01 1 42.82 0.00 1.82 0.06 0.08 55.21 09:50:01 2 42.74 0.00 1.55 0.05 0.08 55.58 09:50:01 3 42.19 0.00 1.56 0.03 0.08 56.15 09:50:01 4 40.36 0.00 1.65 0.03 0.08 57.89 09:50:01 5 37.96 0.00 1.44 0.06 0.07 60.47 09:50:01 6 39.44 0.00 1.59 0.04 0.08 58.85 09:50:01 7 43.54 0.00 1.61 0.22 0.08 54.55 10:00:04 all 35.71 0.00 1.82 0.06 0.07 62.34 10:00:04 0 34.28 0.00 1.57 0.05 0.07 64.02 10:00:04 1 36.05 0.00 1.86 0.09 0.07 61.92 10:00:04 2 39.15 0.00 1.83 0.04 0.08 58.91 10:00:04 3 36.83 0.00 2.03 0.09 0.08 60.96 10:00:04 4 36.23 0.00 1.75 0.04 0.07 61.91 10:00:04 5 34.61 0.00 1.91 0.08 0.07 63.33 10:00:04 6 33.06 0.00 1.71 0.07 0.07 65.09 10:00:04 7 35.43 0.00 1.86 0.04 0.07 62.59 10:10:01 all 35.77 0.00 1.67 0.06 0.08 62.42 10:10:01 0 32.50 0.00 1.53 0.04 0.08 65.84 10:10:01 1 36.19 0.00 1.87 0.15 0.08 61.70 10:10:01 2 37.21 0.00 1.69 0.03 0.09 60.98 10:10:01 3 36.10 0.00 1.62 0.05 0.08 62.15 10:10:01 4 36.51 0.00 1.62 0.09 0.09 61.69 10:10:01 5 34.73 0.00 1.69 0.03 0.08 63.47 10:10:01 6 35.62 0.00 1.54 0.03 0.08 62.73 10:10:01 7 37.31 0.00 1.77 0.02 0.08 60.82 10:20:01 all 5.27 0.00 0.23 0.05 0.03 94.42 10:20:01 0 5.47 0.00 0.18 0.11 0.02 94.22 10:20:01 1 4.95 0.00 0.25 0.04 0.03 94.73 10:20:01 2 7.46 0.00 0.35 0.00 0.03 92.16 10:20:01 3 3.89 0.00 0.20 0.17 0.02 95.71 10:20:01 4 4.68 0.00 0.17 0.03 0.02 95.10 10:20:01 5 8.10 0.00 0.34 0.01 0.05 91.50 10:20:01 6 4.39 0.00 0.15 0.01 0.03 95.42 10:20:01 7 3.22 0.00 0.24 0.01 0.03 96.49 Average: all 29.36 0.00 1.33 0.06 0.07 69.19 Average: 0 27.38 0.00 1.21 0.07 0.06 71.27 Average: 1 29.96 0.00 1.45 0.09 0.07 68.44 Average: 2 31.61 0.00 1.35 0.03 0.07 66.94 Average: 3 29.73 0.00 1.35 0.08 0.06 68.77 Average: 4 29.41 0.00 1.30 0.05 0.06 69.18 Average: 5 28.82 0.00 1.34 0.04 0.07 69.72 Average: 6 28.10 0.00 1.25 0.04 0.06 70.56 Average: 7 29.84 0.00 1.37 0.07 0.07 68.65