---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6790 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 13G 65G 17% / 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 673 7962 4 7352 14972 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:f8:2a:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83620sec preferred_lft 83620sec inet6 fe80::f816:3eff:fef8:2ab2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:5e:91:8f:88:14 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-6790) 09/10/26 _x86_64_ (4 CPU) 12:05:19 LINUX RESTART (4 CPU) 12:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:13 38.80 0.30 22.35 16.15 34.50 3332.99 244240.35 12:30:19 34.12 0.01 30.56 3.55 0.52 2570.78 16419.24 12:40:01 5.20 0.02 4.90 0.28 0.47 2850.78 38520.90 12:50:21 10.45 0.16 9.41 0.88 10.01 6829.69 12178.96 Average: 22.29 0.13 16.89 5.27 11.55 3922.96 78381.52 12:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:13 9114660 13094456 2860472 17.47 148600 3933804 2932412 16.83 738868 6108844 41824 12:30:19 8513380 12920404 3031304 18.51 168420 4312152 3090104 17.74 859144 6554316 43292 12:40:01 5027288 10127908 5821424 35.55 169152 4981800 5490756 31.52 1058172 9774236 24 12:50:21 8186492 15354616 588064 3.59 185860 6966356 1136860 6.53 1811332 5802076 32 Average: 7710455 12874346 3075316 18.78 168008 5048528 3162533 18.15 1116879 7059868 21293 12:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:13 lo 1304.41 1304.41 1236.52 1236.52 0.00 0.00 0.00 0.00 12:20:13 ens3 76.56 51.69 371.35 14.06 0.00 0.00 0.00 0.00 12:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:19 lo 1476.35 1476.35 1406.68 1406.68 0.00 0.00 0.00 0.00 12:30:19 ens3 39.00 30.40 26.65 12.27 0.00 0.00 0.00 0.00 12:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 2530.04 2530.04 9482.59 9482.59 0.00 0.00 0.00 0.00 12:40:01 ens3 6.91 4.65 2.45 1.82 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:21 lo 101.67 101.67 92.53 92.53 0.00 0.00 0.00 0.00 12:50:21 ens3 82.22 97.01 141.03 1190.41 0.00 0.00 0.00 0.00 12:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1333.67 1333.67 2967.91 2967.91 0.00 0.00 0.00 0.00 Average: ens3 51.89 46.68 137.51 312.21 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-6790) 09/10/26 _x86_64_ (4 CPU) 12:05:19 LINUX RESTART (4 CPU) 12:10:00 CPU %user %nice %system %iowait %steal %idle 12:20:13 all 66.73 0.00 2.66 0.13 0.06 30.41 12:20:13 0 67.43 0.00 2.67 0.15 0.07 29.69 12:20:13 1 64.18 0.00 2.39 0.09 0.06 33.28 12:20:13 2 68.45 0.00 2.98 0.14 0.07 28.37 12:20:13 3 66.87 0.00 2.61 0.14 0.07 30.31 12:30:19 all 62.76 0.00 2.89 0.14 0.07 34.15 12:30:19 0 61.78 0.00 2.89 0.09 0.06 35.17 12:30:19 1 64.15 0.00 3.09 0.21 0.07 32.48 12:30:19 2 60.63 0.00 2.61 0.17 0.06 36.52 12:30:19 3 64.46 0.00 2.98 0.07 0.06 32.42 12:40:01 all 31.25 0.00 1.22 0.20 0.07 67.26 12:40:01 0 34.47 0.00 1.55 0.37 0.07 63.54 12:40:01 1 25.07 0.00 1.23 0.22 0.07 73.41 12:40:01 2 32.67 0.00 1.29 0.07 0.07 65.89 12:40:01 3 32.78 0.00 0.83 0.14 0.06 66.19 12:50:21 all 14.48 0.00 0.68 0.19 0.04 84.60 12:50:21 0 18.56 0.00 0.70 0.19 0.04 80.50 12:50:21 1 9.52 0.00 0.51 0.31 0.04 89.62 12:50:21 2 13.64 0.00 0.71 0.07 0.05 85.52 12:50:21 3 16.19 0.00 0.79 0.21 0.05 82.77 Average: all 43.81 0.00 1.87 0.17 0.06 54.10 Average: 0 45.56 0.00 1.95 0.20 0.06 52.23 Average: 1 40.75 0.00 1.80 0.21 0.06 57.18 Average: 2 43.85 0.00 1.90 0.11 0.06 54.07 Average: 3 45.06 0.00 1.81 0.14 0.06 52.93