---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8299 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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 nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 883 24937 4 6270 30740 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:8c:13:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84143sec preferred_lft 84143sec inet6 fe80::f816:3eff:fe8c:13e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:8b:9f:b7:d0:0f 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-8299) 04/26/26 _x86_64_ (8 CPU) 20:30:01 LINUX RESTART (8 CPU) 20:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 31.20 0.16 27.04 4.01 5.89 2525.92 17165.86 21:00:01 35.91 0.01 31.56 4.35 0.07 3337.35 19998.60 Average: 33.56 0.08 29.30 4.18 2.98 2931.64 18582.24 20:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 25496896 29215172 3091612 9.41 184532 3739776 3196392 9.43 770328 6128764 38148 21:00:01 24461212 28881796 3420172 10.41 216612 4356164 3540216 10.44 923672 6956888 113500 Average: 24979054 29048484 3255892 9.91 200572 4047970 3368304 9.93 847000 6542826 75824 20:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 lo 1633.19 1633.19 1554.97 1554.97 0.00 0.00 0.00 0.00 20:50:01 ens3 53.14 37.85 19.88 14.61 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1788.89 1788.89 1703.66 1703.66 0.00 0.00 0.00 0.00 21:00:01 ens3 62.08 42.32 20.64 16.15 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1711.04 1711.04 1629.31 1629.31 0.00 0.00 0.00 0.00 Average: ens3 57.61 40.08 20.26 15.38 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-8299) 04/26/26 _x86_64_ (8 CPU) 20:30:01 LINUX RESTART (8 CPU) 20:40:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 35.54 0.00 1.53 0.06 0.07 62.80 20:50:01 0 33.73 0.00 1.63 0.07 0.07 64.50 20:50:01 1 35.16 0.00 1.71 0.16 0.07 62.89 20:50:01 2 33.58 0.00 1.70 0.04 0.07 64.61 20:50:01 3 35.77 0.00 1.33 0.04 0.07 62.79 20:50:01 4 37.29 0.00 1.72 0.03 0.07 60.90 20:50:01 5 35.77 0.00 1.50 0.04 0.07 62.62 20:50:01 6 36.28 0.00 1.31 0.03 0.07 62.32 20:50:01 7 36.73 0.00 1.36 0.04 0.06 61.80 21:00:01 all 37.56 0.00 1.74 0.06 0.07 60.58 21:00:01 0 35.69 0.00 1.65 0.06 0.07 62.54 21:00:01 1 39.65 0.00 1.85 0.04 0.06 58.40 21:00:01 2 39.05 0.00 1.94 0.05 0.07 58.89 21:00:01 3 37.27 0.00 1.69 0.03 0.07 60.93 21:00:01 4 42.08 0.00 1.95 0.06 0.07 55.84 21:00:01 5 37.88 0.00 1.70 0.06 0.07 60.30 21:00:01 6 36.01 0.00 1.61 0.07 0.07 62.23 21:00:01 7 32.84 0.00 1.48 0.13 0.06 65.49 Average: all 36.55 0.00 1.64 0.06 0.07 61.69 Average: 0 34.71 0.00 1.64 0.06 0.07 63.52 Average: 1 37.41 0.00 1.78 0.10 0.07 60.64 Average: 2 36.31 0.00 1.82 0.04 0.07 61.75 Average: 3 36.52 0.00 1.51 0.04 0.07 61.86 Average: 4 39.68 0.00 1.83 0.04 0.07 58.37 Average: 5 36.83 0.00 1.60 0.05 0.07 61.46 Average: 6 36.15 0.00 1.46 0.05 0.07 62.27 Average: 7 34.79 0.00 1.42 0.08 0.06 63.65