---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46912 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: 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: 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 671 8143 4 7174 14974 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:29:07:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83536sec preferred_lft 83536sec inet6 fe80::f816:3eff:fe29:767/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:9d:1f:ed:ad:f1 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-46912) 09/02/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:03 28.93 2.38 23.55 3.00 145.66 3689.38 3081.19 19:30:01 25.86 0.02 23.19 2.65 0.53 2096.07 4471.72 19:40:16 15.81 0.02 14.39 1.41 0.44 3380.57 4800.36 Average: 23.44 0.79 20.31 2.34 48.00 3055.50 4128.68 19:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:03 9433284 13097380 2859456 17.46 146216 3631952 3218396 18.47 691052 5856436 32688 19:30:01 8496416 12550464 3403404 20.79 167096 3969552 3462460 19.87 795796 6646404 35776 19:40:16 5269408 10137780 5813084 35.50 174088 4746060 5528208 31.73 1041284 9564032 348 Average: 7733036 11928541 4025315 24.59 162467 4115855 4069688 23.36 842711 7355624 22937 19:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:03 lo 1608.86 1608.86 1526.81 1526.81 0.00 0.00 0.00 0.00 19:20:03 ens3 103.25 78.79 536.13 16.69 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1094.25 1094.25 1042.43 1042.43 0.00 0.00 0.00 0.00 19:30:01 ens3 27.16 21.15 15.92 9.47 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:16 lo 646.75 646.75 4923.68 4923.68 0.00 0.00 0.00 0.00 19:40:16 ens3 16.53 12.62 13.67 5.47 0.00 0.00 0.00 0.00 19:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.09 1110.09 2524.33 2524.33 0.00 0.00 0.00 0.00 Average: ens3 48.44 37.11 185.41 10.47 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-46912) 09/02/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:13 CPU %user %nice %system %iowait %steal %idle 19:20:03 all 64.50 0.00 2.83 0.09 0.03 32.55 19:20:03 0 66.20 0.00 3.15 0.09 0.03 30.54 19:20:03 1 65.70 0.00 2.95 0.09 0.04 31.23 19:20:03 2 63.40 0.00 2.51 0.11 0.03 33.95 19:20:03 3 62.70 0.00 2.71 0.08 0.03 34.47 19:30:01 all 60.86 0.00 2.49 0.09 0.03 36.53 19:30:01 0 61.76 0.00 2.81 0.05 0.04 35.34 19:30:01 1 61.00 0.00 2.55 0.14 0.03 36.28 19:30:01 2 61.14 0.00 2.47 0.10 0.03 36.26 19:30:01 3 59.54 0.00 2.14 0.05 0.03 38.24 19:40:16 all 35.24 0.00 1.59 0.07 0.02 63.08 19:40:16 0 31.96 0.00 1.42 0.04 0.02 66.55 19:40:16 1 34.67 0.00 1.82 0.05 0.02 63.43 19:40:16 2 30.78 0.00 1.64 0.06 0.02 67.50 19:40:16 3 43.57 0.00 1.46 0.12 0.03 54.83 Average: all 53.31 0.00 2.29 0.08 0.03 44.29 Average: 0 53.03 0.00 2.45 0.06 0.03 44.44 Average: 1 53.56 0.00 2.43 0.09 0.03 43.88 Average: 2 51.51 0.00 2.20 0.09 0.03 46.17 Average: 3 55.13 0.00 2.10 0.08 0.03 42.66