---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57956 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 14G 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 655 7593 4 7739 14990 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:d2:7f:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83766sec preferred_lft 83766sec inet6 fe80::f816:3eff:fed2:7f7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:53:56:88:56:83 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::f453:56ff:fe88:5683/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-57956) 09/24/26 _x86_64_ (4 CPU) 08:35:43 LINUX RESTART (4 CPU) 08:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:19 21.58 0.10 18.93 2.55 8.44 2284.15 3131.97 09:00:24 34.41 0.02 30.67 3.71 0.58 2638.07 8158.91 09:10:24 5.49 0.02 5.21 0.25 0.47 2906.92 3799.84 Average: 20.55 0.05 18.32 2.18 3.20 2607.26 5025.35 08:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:19 9106928 12882532 3074372 18.78 142888 3740408 3491320 20.04 701376 6162140 22928 09:00:24 8616064 12814480 3139248 19.17 170048 4108040 3225212 18.51 830152 6494492 37456 09:10:24 6574560 12731456 3216124 19.64 173108 5999400 3258364 18.70 1484624 7786652 1231872 Average: 8099184 12809489 3143248 19.20 162015 4615949 3324965 19.09 1005384 6814428 430752 08:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:19 lo 1256.37 1256.37 1191.15 1191.15 0.00 0.00 0.00 0.00 08:50:19 ens3 38.66 31.15 67.21 9.27 0.00 0.00 0.00 0.00 08:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:24 lo 1387.25 1387.25 1321.62 1321.62 0.00 0.00 0.00 0.00 09:00:24 ens3 20.96 18.20 15.68 5.99 0.00 0.00 0.00 0.00 09:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:24 lo 2544.57 2544.57 9292.28 9292.28 0.00 0.00 0.00 0.00 09:10:24 ens3 25.66 20.40 183.06 3.80 0.00 0.00 0.00 0.00 09:10:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1724.62 1724.62 3905.32 3905.32 0.00 0.00 0.00 0.00 Average: ens3 28.48 23.30 88.25 6.37 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-57956) 09/24/26 _x86_64_ (4 CPU) 08:35:43 LINUX RESTART (4 CPU) 08:40:04 CPU %user %nice %system %iowait %steal %idle 08:50:19 all 64.45 0.00 2.48 0.21 0.05 32.81 08:50:19 0 64.02 0.00 2.34 0.10 0.05 33.49 08:50:19 1 63.96 0.00 2.55 0.10 0.05 33.34 08:50:19 2 62.88 0.00 2.32 0.36 0.05 34.39 08:50:19 3 66.96 0.00 2.70 0.28 0.06 30.01 09:00:24 all 58.05 0.00 2.62 0.20 0.04 39.09 09:00:24 0 56.89 0.00 2.69 0.21 0.03 40.17 09:00:24 1 60.48 0.00 2.51 0.20 0.04 36.75 09:00:24 2 55.49 0.00 2.47 0.12 0.03 41.89 09:00:24 3 59.35 0.00 2.81 0.25 0.04 37.55 09:10:24 all 31.77 0.00 1.35 0.06 0.03 66.79 09:10:24 0 27.67 0.00 1.73 0.05 0.02 70.54 09:10:24 1 30.26 0.00 1.16 0.03 0.02 68.53 09:10:24 2 43.95 0.00 1.02 0.03 0.05 54.96 09:10:24 3 25.19 0.00 1.49 0.16 0.03 73.13 Average: all 51.53 0.00 2.15 0.16 0.04 46.12 Average: 0 49.64 0.00 2.25 0.12 0.04 47.95 Average: 1 51.66 0.00 2.08 0.11 0.04 46.11 Average: 2 54.17 0.00 1.94 0.17 0.04 43.68 Average: 3 50.64 0.00 2.34 0.23 0.04 46.75