---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3510 5.15.0-194-generic #204-Ubuntu SMP Wed Sep 2 13:09:23 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 25G 131G 16% / 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 853 17842 4 13396 30770 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:9a:39:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.199/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84924sec preferred_lft 84924sec inet6 fe80::f816:3eff:fe9a:39b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:86:96:be:52:12 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 inet6 fe80::a086:96ff:febe:5212/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3510) 10/19/26 _x86_64_ (8 CPU) 22:16:35 LINUX RESTART (8 CPU) 22:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:01 473.37 0.85 461.28 11.24 33.96 55257.91 52064.10 22:40:02 55.03 1.03 47.12 6.89 28.35 8636.28 50416.21 Average: 261.49 0.94 251.51 9.04 31.12 31644.74 51229.47 22:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:01 1237544 20189164 11968512 36.42 575040 17537576 18174660 53.60 4470504 23512192 1556 22:40:02 6762356 20598880 11553792 35.16 556892 12521572 16984784 50.09 4264556 18276632 13452 Average: 3999950 20394022 11761152 35.79 565966 15029574 17579722 51.84 4367530 20894412 7504 22:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:01 lo 0.61 0.61 0.05 0.05 0.00 0.00 0.00 0.00 22:30:01 ens3 378.06 227.17 3778.38 69.82 0.00 0.00 0.00 0.00 22:30:01 docker0 27.19 52.93 1.57 787.16 0.00 0.00 0.00 0.00 22:30:01 br-7789fdf0ccc6 0.29 0.27 0.01 0.02 0.00 0.00 0.00 0.00 22:30:01 veth94ec476 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 22:30:01 vethdce9bb9 45.44 46.31 19.41 25.95 0.00 0.00 0.00 0.00 22:30:01 vethd3a7c27 0.14 0.20 0.02 0.08 0.00 0.00 0.00 0.00 22:30:01 vethda3925e 0.04 0.13 0.00 0.01 0.00 0.00 0.00 0.00 22:30:01 vethb127f17 0.03 0.11 0.00 0.01 0.00 0.00 0.00 0.00 22:30:01 vethc47887b 42.00 40.21 35.90 16.50 0.00 0.00 0.00 0.00 22:30:01 vethdc1c34f 0.78 1.42 0.85 11.10 0.00 0.00 0.00 0.00 22:30:01 vethd067043 0.67 0.60 0.09 0.75 0.00 0.00 0.00 0.00 22:40:02 lo 72.40 72.40 328.45 328.45 0.00 0.00 0.00 0.00 22:40:02 ens3 10.50 8.99 14.96 2.45 0.00 0.00 0.00 0.00 22:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:02 br-7789fdf0ccc6 62.94 77.80 87.91 257.81 0.00 0.00 0.00 0.00 22:40:02 veth94ec476 0.23 0.22 0.03 0.07 0.00 0.00 0.00 0.00 22:40:02 vethdce9bb9 128.00 134.07 90.15 60.62 0.00 0.00 0.00 0.01 22:40:02 vethd3a7c27 22.67 23.93 83.68 69.66 0.00 0.00 0.00 0.01 22:40:02 vethda3925e 38.48 37.41 343.62 83.95 0.00 0.00 0.00 0.03 22:40:02 vethb127f17 83.96 99.16 88.66 597.26 0.00 0.00 0.00 0.05 22:40:02 vethc47887b 82.74 76.40 99.53 53.84 0.00 0.00 0.00 0.01 22:40:02 vethd067043 62.88 62.54 34.19 41.34 0.00 0.00 0.00 0.00 Average: lo 36.98 36.98 166.38 166.38 0.00 0.00 0.00 0.00 Average: ens3 191.90 116.67 1872.26 35.70 0.00 0.00 0.00 0.00 Average: docker0 13.42 26.12 0.78 388.47 0.00 0.00 0.00 0.00 Average: br-7789fdf0ccc6 32.02 39.54 44.53 130.58 0.00 0.00 0.00 0.00 Average: veth94ec476 0.14 0.17 0.01 0.04 0.00 0.00 0.00 0.00 Average: vethdce9bb9 87.26 90.76 55.24 43.51 0.00 0.00 0.00 0.00 Average: vethd3a7c27 11.55 12.22 42.39 35.32 0.00 0.00 0.00 0.00 Average: vethda3925e 19.51 19.01 174.04 42.52 0.00 0.00 0.00 0.01 Average: vethb127f17 42.54 50.28 44.91 302.51 0.00 0.00 0.00 0.02 Average: vethc47887b 62.64 58.54 68.13 35.41 0.00 0.00 0.00 0.01 Average: vethd067043 32.18 31.97 17.36 21.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-194-generic (prd-ubuntu2204-docker-8c-8g-3510) 10/19/26 _x86_64_ (8 CPU) 22:16:35 LINUX RESTART (8 CPU) 22:20:16 CPU %user %nice %system %iowait %steal %idle 22:30:01 all 27.58 0.03 5.22 1.15 0.02 66.00 22:30:01 0 27.11 0.04 5.96 1.03 0.02 65.85 22:30:01 1 26.62 0.03 5.57 1.37 0.02 66.40 22:30:01 2 27.45 0.03 5.47 1.64 0.01 65.39 22:30:01 3 28.59 0.04 4.89 1.05 0.01 65.42 22:30:01 4 28.29 0.03 5.10 1.15 0.01 65.42 22:30:01 5 26.94 0.02 4.82 0.82 0.02 67.38 22:30:01 6 29.05 0.02 4.80 0.98 0.02 65.13 22:30:01 7 26.63 0.03 5.14 1.18 0.01 67.01 22:40:02 all 23.21 0.01 5.03 0.21 0.02 71.52 22:40:02 0 22.22 0.02 6.25 0.42 0.02 71.06 22:40:02 1 23.05 0.00 5.30 0.22 0.03 71.40 22:40:02 2 22.81 0.01 5.07 0.14 0.02 71.96 22:40:02 3 24.92 0.01 4.74 0.18 0.02 70.14 22:40:02 4 23.18 0.02 4.78 0.14 0.03 71.86 22:40:02 5 23.37 0.01 4.67 0.13 0.03 71.80 22:40:02 6 22.83 0.01 4.81 0.23 0.02 72.10 22:40:02 7 23.28 0.00 4.65 0.18 0.02 71.86 Average: all 25.36 0.02 5.13 0.67 0.02 68.80 Average: 0 24.62 0.03 6.11 0.72 0.02 68.51 Average: 1 24.81 0.01 5.43 0.79 0.02 68.94 Average: 2 25.10 0.02 5.26 0.88 0.02 68.72 Average: 3 26.73 0.02 4.81 0.61 0.02 67.81 Average: 4 25.70 0.03 4.94 0.63 0.02 68.68 Average: 5 25.13 0.01 4.74 0.47 0.02 69.62 Average: 6 25.91 0.02 4.81 0.60 0.02 68.65 Average: 7 24.93 0.01 4.89 0.68 0.02 69.47