---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46938 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 12G 66G 15% / 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 743 9342 4 5902 14902 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:45:20:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83259sec preferred_lft 83259sec inet6 fe80::f816:3eff:fe45:20fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:9d:c1:44:8f:d7 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-46938) 09/02/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:26 7.26 2.14 4.92 0.19 130.56 1596.75 8.86 20:50:26 21.33 0.41 18.34 2.57 14.37 4529.48 6795.95 21:00:13 54.12 0.00 43.06 11.06 0.00 2643.55 20685.07 21:10:26 25.62 0.17 21.16 4.29 10.38 4486.50 4960.03 Average: 26.88 0.68 21.71 4.48 39.08 3320.71 8008.24 20:30:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:26 10657252 13716600 2245724 13.72 127044 3083108 3146456 18.06 494676 4871808 122116 20:50:26 9169144 13386832 2564820 15.66 190916 4076064 2730752 15.67 758072 5959524 10800 21:00:13 8650768 13194568 2753836 16.82 213992 4348092 2863920 16.44 843976 6361820 9772 21:10:26 9682132 15358188 585936 3.58 243076 5393336 1155404 6.63 1213892 4880508 32 Average: 9539824 13914047 2037579 12.44 193757 4225150 2474133 14.20 827654 5518415 35680 20:30:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:26 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 20:40:26 ens3 94.38 73.44 596.03 12.12 0.00 0.00 0.00 0.00 20:40:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:26 lo 1221.38 1221.38 1164.72 1164.72 0.00 0.00 0.00 0.00 20:50:26 ens3 74.44 56.62 325.01 19.01 0.00 0.00 0.00 0.00 20:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:13 lo 6015.46 6015.46 5736.72 5736.72 0.00 0.00 0.00 0.00 21:00:13 ens3 54.07 40.45 24.71 18.87 0.00 0.00 0.00 0.00 21:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:26 lo 1990.44 1990.44 1889.38 1889.38 0.00 0.00 0.00 0.00 21:10:26 ens3 75.81 67.25 126.41 98.46 0.00 0.00 0.00 0.00 21:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2279.74 2279.74 2171.76 2171.76 0.00 0.00 0.00 0.00 Average: ens3 74.83 59.62 269.29 37.50 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-46938) 09/02/26 _x86_64_ (4 CPU) 20:24:17 LINUX RESTART (4 CPU) 20:30:21 CPU %user %nice %system %iowait %steal %idle 20:40:26 all 17.93 0.00 0.77 0.05 0.01 81.25 20:40:26 0 18.37 0.00 0.78 0.09 0.01 80.75 20:40:26 1 18.26 0.00 0.83 0.06 0.01 80.84 20:40:26 2 17.67 0.00 0.65 0.02 0.01 81.66 20:40:26 3 17.42 0.00 0.82 0.02 0.01 81.74 20:50:26 all 60.64 0.00 2.90 0.06 0.03 36.37 20:50:26 0 61.27 0.00 3.24 0.04 0.03 35.42 20:50:26 1 60.03 0.00 2.52 0.08 0.03 37.34 20:50:26 2 59.51 0.00 3.00 0.05 0.03 37.42 20:50:26 3 61.76 0.00 2.84 0.05 0.03 35.31 21:00:13 all 58.34 0.00 4.45 0.19 0.02 37.00 21:00:13 0 57.46 0.00 3.88 0.15 0.03 38.49 21:00:13 1 57.46 0.00 4.30 0.24 0.02 37.98 21:00:13 2 59.54 0.00 4.54 0.21 0.02 35.69 21:00:13 3 58.89 0.00 5.10 0.15 0.03 35.84 21:10:26 all 40.36 0.00 2.62 0.11 0.02 56.89 21:10:26 0 36.73 0.00 2.54 0.05 0.02 60.66 21:10:26 1 42.89 0.00 3.03 0.17 0.02 53.89 21:10:26 2 41.56 0.00 2.38 0.07 0.01 55.98 21:10:26 3 40.27 0.00 2.53 0.15 0.02 57.02 Average: all 44.15 0.00 2.67 0.10 0.02 53.06 Average: 0 43.28 0.00 2.60 0.08 0.02 54.02 Average: 1 44.52 0.00 2.66 0.14 0.02 52.67 Average: 2 44.40 0.00 2.62 0.09 0.02 52.88 Average: 3 44.40 0.00 2.80 0.09 0.02 52.68