---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4008 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 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 854 13671 4 17566 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:09:fb:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.27/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83728sec preferred_lft 83728sec inet6 fe80::f816:3eff:fe09:fb54/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:9b:8d:16:62:e1 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::f09b:8dff:fe16:62e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4008) 06/30/26 _x86_64_ (8 CPU) 13:05:54 LINUX RESTART (8 CPU) 13:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:31 364.77 0.46 350.14 14.16 33.05 53327.17 78306.87 13:30:41 24.97 0.39 22.55 2.03 17.41 2803.85 8954.37 13:40:31 14.75 0.16 13.70 0.89 2.97 2594.86 1211.59 Average: 134.88 0.34 128.84 5.70 17.88 19576.29 29531.18 13:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:31 1950312 21637756 10514864 32.00 598948 18191572 16878540 49.77 4862692 22345320 192 13:30:41 369720 19452168 12602056 38.35 583712 17692552 19001704 56.03 5017732 23730936 32052 13:40:31 354920 18997312 13057568 39.73 583732 17259124 19383488 57.16 4957132 23825544 11132 Average: 891651 20029079 12058163 36.69 588797 17714416 18421244 54.32 4945852 23300600 14459 13:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:31 lo 0.86 0.86 0.07 0.07 0.00 0.00 0.00 0.00 13:20:31 ens3 319.85 213.11 2716.65 65.87 0.00 0.00 0.00 0.00 13:20:31 docker0 17.23 33.82 1.06 760.09 0.00 0.00 0.00 0.00 13:20:31 br-e328be4f58f9 0.29 0.26 0.01 0.02 0.00 0.00 0.00 0.00 13:20:31 veth329de35 6.92 6.68 4.60 1.32 0.00 0.00 0.00 0.00 13:20:31 vethdbb4979 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:31 veth7fc53fa 0.18 0.23 0.02 0.01 0.00 0.00 0.00 0.00 13:20:31 vethf1a52fc 0.02 0.11 0.00 0.01 0.00 0.00 0.00 0.00 13:20:31 vethf5d7354 0.03 0.12 0.00 0.01 0.00 0.00 0.00 0.00 13:20:31 veth4d96c0a 1.27 1.28 0.14 0.96 0.00 0.00 0.00 0.00 13:20:31 veth7b2655f 0.01 0.04 0.00 0.00 0.00 0.00 0.00 0.00 13:20:31 veth0185d73 0.63 0.58 0.09 0.72 0.00 0.00 0.00 0.00 13:30:41 lo 12.77 12.77 32.48 32.48 0.00 0.00 0.00 0.00 13:30:41 ens3 9.21 8.08 24.29 1.71 0.00 0.00 0.00 0.00 13:30:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:41 br-e328be4f58f9 12.56 14.33 6.33 50.19 0.00 0.00 0.00 0.00 13:30:41 veth329de35 109.60 117.99 62.36 54.76 0.00 0.00 0.00 0.01 13:30:41 vethdbb4979 0.10 0.10 0.01 0.03 0.00 0.00 0.00 0.00 13:30:41 veth7fc53fa 7.67 7.28 43.19 22.73 0.00 0.00 0.00 0.00 13:30:41 vethf1a52fc 20.46 22.28 5.90 212.01 0.00 0.00 0.00 0.02 13:30:41 vethf5d7354 13.66 14.06 162.91 43.56 0.00 0.00 0.00 0.01 13:30:41 veth4d96c0a 86.71 80.47 76.44 38.79 0.00 0.00 0.00 0.01 13:30:41 veth0185d73 37.29 34.42 15.51 26.18 0.00 0.00 0.00 0.00 13:40:31 lo 37.84 37.84 178.24 178.24 0.00 0.00 0.00 0.00 13:40:31 ens3 5.14 2.70 8.37 1.24 0.00 0.00 0.00 0.00 13:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:31 br-e328be4f58f9 25.33 27.12 34.85 151.35 0.00 0.00 0.00 0.00 13:40:31 veth329de35 73.89 81.09 56.76 29.33 0.00 0.00 0.00 0.00 13:40:31 vethdbb4979 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:31 veth7fc53fa 10.71 11.98 21.40 46.38 0.00 0.00 0.00 0.00 13:40:31 vethf1a52fc 32.76 34.54 35.57 241.93 0.00 0.00 0.00 0.02 13:40:31 vethf5d7354 14.63 13.44 92.62 21.03 0.00 0.00 0.00 0.01 13:40:31 veth4d96c0a 45.86 42.60 56.72 24.03 0.00 0.00 0.00 0.00 13:40:31 veth0185d73 42.10 38.11 19.03 35.55 0.00 0.00 0.00 0.00 Average: lo 17.03 17.03 69.50 69.50 0.00 0.00 0.00 0.00 Average: ens3 111.42 74.66 916.52 22.94 0.00 0.00 0.00 0.00 Average: docker0 5.74 11.27 0.35 253.36 0.00 0.00 0.00 0.00 Average: br-e328be4f58f9 12.66 13.83 13.58 66.66 0.00 0.00 0.00 0.00 Average: veth329de35 63.66 68.78 41.27 28.60 0.00 0.00 0.00 0.00 Average: vethdbb4979 0.04 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: veth7fc53fa 6.17 6.47 21.65 22.92 0.00 0.00 0.00 0.00 Average: vethf1a52fc 17.69 18.91 13.67 151.16 0.00 0.00 0.00 0.01 Average: vethf5d7354 9.44 9.21 85.55 21.65 0.00 0.00 0.00 0.01 Average: veth4d96c0a 44.83 41.65 44.53 21.34 0.00 0.00 0.00 0.00 Average: veth0185d73 26.65 24.35 11.52 20.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-181-generic (prd-ubuntu2204-docker-8c-8g-4008) 06/30/26 _x86_64_ (8 CPU) 13:05:54 LINUX RESTART (8 CPU) 13:10:31 CPU %user %nice %system %iowait %steal %idle 13:20:31 all 31.76 0.02 3.86 0.84 0.08 63.44 13:20:31 0 31.93 0.03 4.12 0.70 0.08 63.14 13:20:31 1 30.15 0.03 3.67 0.49 0.08 65.58 13:20:31 2 34.32 0.01 4.11 1.07 0.09 60.41 13:20:31 3 30.05 0.01 3.82 1.39 0.08 64.65 13:20:31 4 30.64 0.02 4.02 0.87 0.08 64.37 13:20:31 5 28.14 0.03 3.72 1.08 0.08 66.95 13:20:31 6 35.28 0.04 3.46 0.49 0.08 60.65 13:20:31 7 33.57 0.01 3.95 0.62 0.08 61.77 13:30:41 all 9.94 0.00 1.50 0.09 0.07 88.40 13:30:41 0 8.68 0.01 1.70 0.16 0.07 89.39 13:30:41 1 10.82 0.00 1.55 0.07 0.07 87.48 13:30:41 2 9.74 0.01 1.54 0.17 0.07 88.48 13:30:41 3 10.05 0.00 1.46 0.06 0.06 88.36 13:30:41 4 9.41 0.00 1.48 0.04 0.07 89.01 13:30:41 5 10.77 0.00 1.35 0.06 0.07 87.74 13:30:41 6 10.32 0.00 1.43 0.09 0.06 88.09 13:30:41 7 9.70 0.01 1.47 0.08 0.07 88.67 13:40:31 all 8.61 0.00 1.95 0.07 0.08 89.28 13:40:31 0 8.37 0.00 2.12 0.02 0.08 89.40 13:40:31 1 9.69 0.00 2.10 0.05 0.08 88.08 13:40:31 2 8.98 0.00 1.96 0.08 0.08 88.90 13:40:31 3 8.98 0.00 1.91 0.03 0.09 88.99 13:40:31 4 8.54 0.00 1.99 0.14 0.08 89.24 13:40:31 5 8.25 0.00 1.98 0.13 0.08 89.56 13:40:31 6 8.48 0.01 1.83 0.05 0.08 89.56 13:40:31 7 7.61 0.00 1.73 0.03 0.08 90.54 Average: all 16.77 0.01 2.43 0.33 0.08 80.37 Average: 0 16.33 0.01 2.64 0.29 0.08 80.65 Average: 1 16.89 0.01 2.44 0.21 0.08 80.38 Average: 2 17.68 0.01 2.53 0.44 0.08 79.27 Average: 3 16.35 0.00 2.39 0.49 0.08 80.68 Average: 4 16.19 0.01 2.49 0.35 0.08 80.88 Average: 5 15.73 0.01 2.35 0.43 0.08 81.41 Average: 6 18.04 0.02 2.24 0.21 0.07 79.42 Average: 7 16.98 0.01 2.38 0.24 0.08 80.31