---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41599 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 66G 16% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 658 8613 4 6717 14987 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:f7:5d:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83927sec preferred_lft 83927sec inet6 fe80::f816:3eff:fef7:5d57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:c4:b1:21:63:03 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::34c4:b1ff:fe21:6303/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41599) 08/27/26 _x86_64_ (4 CPU) 15:32:58 LINUX RESTART (4 CPU) 15:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:06 51.14 4.70 43.13 3.31 275.91 5940.60 48374.49 16:00:01 9.07 0.00 7.69 1.37 0.03 669.02 27263.39 16:10:00 48.87 2.07 42.24 4.56 317.84 10211.80 9647.45 Average: 36.42 2.26 31.07 3.09 198.37 5617.84 28435.84 15:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:06 8602180 12173868 3784036 23.11 127816 3567012 4003624 22.98 684736 6676548 3344 16:00:01 9610880 13343320 2613644 15.96 138248 3702448 2873584 16.49 718752 5638388 5064 16:10:00 8859588 15372512 569696 3.48 189860 6293224 1311796 7.53 1756012 5173004 424 Average: 9024216 13629900 2322459 14.18 151975 4520895 2729668 15.67 1053167 5829313 2944 15:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:06 lo 10.81 10.81 2.43 2.43 0.00 0.00 0.00 0.00 15:50:06 ens3 91.94 73.48 951.96 14.23 0.00 0.00 0.00 0.00 15:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 56.77 56.77 14.10 14.10 0.00 0.00 0.00 0.00 16:00:01 ens3 5.65 4.29 4.31 1.41 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:00 lo 2587.82 2587.82 2494.19 2494.19 0.00 0.00 0.00 0.00 16:10:00 ens3 73.25 65.61 715.68 160.08 0.00 0.00 0.00 0.00 16:10:00 docker0 12.61 9.92 148.63 1.70 0.00 0.00 0.00 0.00 16:10:00 veth1211f58 12.60 9.92 148.80 1.70 0.00 0.00 0.00 0.01 Average: lo 886.70 886.70 838.47 838.47 0.00 0.00 0.00 0.00 Average: ens3 57.07 47.89 558.61 58.68 0.00 0.00 0.00 0.00 Average: docker0 4.21 3.31 49.64 0.57 0.00 0.00 0.00 0.00 Average: veth1211f58 4.21 3.31 49.69 0.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-41599) 08/27/26 _x86_64_ (4 CPU) 15:32:58 LINUX RESTART (4 CPU) 15:40:06 CPU %user %nice %system %iowait %steal %idle 15:50:06 all 32.55 0.00 1.54 0.41 0.02 65.48 15:50:06 0 34.33 0.00 1.93 0.32 0.02 63.39 15:50:06 1 30.89 0.00 1.30 0.36 0.02 67.43 15:50:06 2 35.12 0.00 1.66 0.56 0.02 62.63 15:50:06 3 29.87 0.00 1.28 0.39 0.02 68.45 16:00:01 all 16.64 0.00 0.99 0.07 0.02 82.28 16:00:01 0 16.66 0.00 1.05 0.15 0.02 82.13 16:00:01 1 16.87 0.00 0.98 0.04 0.02 82.09 16:00:01 2 17.19 0.00 0.95 0.05 0.02 81.80 16:00:01 3 15.86 0.00 0.96 0.05 0.02 83.11 16:10:00 all 51.23 0.00 3.28 0.22 0.02 45.24 16:10:00 0 50.08 0.00 3.48 0.13 0.02 46.30 16:10:00 1 50.46 0.00 3.02 0.24 0.03 46.26 16:10:00 2 51.02 0.00 3.49 0.25 0.03 45.22 16:10:00 3 53.35 0.00 3.14 0.28 0.03 43.20 Average: all 33.51 0.00 1.94 0.23 0.02 64.30 Average: 0 33.71 0.00 2.16 0.20 0.02 63.91 Average: 1 32.78 0.00 1.77 0.21 0.02 65.22 Average: 2 34.49 0.00 2.03 0.29 0.02 63.17 Average: 3 33.05 0.00 1.80 0.24 0.02 64.90