---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19151 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: 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 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 18G 138G 11% / 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 789 19118 4 12184 30835 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:21:2a:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84525sec preferred_lft 84525sec inet6 fe80::f816:3eff:fe21:2ae8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:8f:3f:2e:c0:9b 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::948f:3fff:fe2e:c09b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19151) 05/23/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 14.97 0.63 13.54 0.81 415.30 5577.42 2493.05 01:00:09 34.79 1.94 31.98 0.87 282.62 22385.55 821.90 Average: 25.02 1.29 22.89 0.84 347.98 14105.14 1645.18 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24346596 28882020 3424760 10.42 148228 4598764 3515404 10.37 956012 7091564 400 01:00:09 20053424 31627584 647168 1.97 224312 11278136 1380760 4.07 3096412 8897328 58856 Average: 22200010 30254802 2035964 6.20 186270 7938450 2448082 7.22 2026212 7994446 29628 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.84 5.84 0.56 0.56 0.00 0.00 0.00 0.00 00:50:01 ens3 68.88 55.17 366.75 12.93 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:09 lo 4332.01 4332.01 4138.69 4138.69 0.00 0.00 0.00 0.00 01:00:09 ens3 60.36 47.59 540.66 12.25 0.00 0.00 0.00 0.00 01:00:09 docker0 3.80 4.30 0.23 89.01 0.00 0.00 0.00 0.00 01:00:09 veth12d3b53 3.79 4.30 0.28 89.01 0.00 0.00 0.00 0.01 Average: lo 2200.75 2200.75 2100.07 2100.07 0.00 0.00 0.00 0.00 Average: ens3 64.56 51.32 454.99 12.59 0.00 0.00 0.00 0.00 Average: docker0 1.93 2.18 0.12 45.16 0.00 0.00 0.00 0.00 Average: veth12d3b53 1.92 2.18 0.14 45.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-19151) 05/23/26 _x86_64_ (8 CPU) 00:36:20 LINUX RESTART (8 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.62 0.00 1.49 0.05 0.07 58.77 00:50:01 0 34.56 0.00 1.35 0.06 0.07 63.96 00:50:01 1 45.29 0.00 1.72 0.03 0.07 52.89 00:50:01 2 40.71 0.00 1.52 0.04 0.07 57.68 00:50:01 3 36.58 0.00 1.41 0.05 0.06 61.90 00:50:01 4 43.52 0.00 1.53 0.04 0.07 54.83 00:50:01 5 40.90 0.00 1.52 0.12 0.07 57.38 00:50:01 6 39.93 0.00 1.43 0.06 0.06 58.52 00:50:01 7 35.48 0.00 1.44 0.03 0.07 62.99 01:00:09 all 20.96 0.00 2.13 0.18 0.05 76.68 01:00:09 0 19.22 0.00 1.47 0.04 0.05 79.22 01:00:09 1 24.45 0.00 2.43 0.18 0.05 72.89 01:00:09 2 20.63 0.00 2.23 0.30 0.06 76.78 01:00:09 3 24.71 0.00 2.10 0.02 0.05 73.12 01:00:09 4 20.34 0.00 1.87 0.24 0.05 77.50 01:00:09 5 20.02 0.00 1.66 0.13 0.05 78.14 01:00:09 6 19.26 0.00 2.69 0.27 0.05 77.74 01:00:09 7 19.04 0.00 2.60 0.23 0.05 78.08 Average: all 30.16 0.00 1.81 0.12 0.06 67.85 Average: 0 26.78 0.00 1.41 0.05 0.06 71.70 Average: 1 34.73 0.00 2.08 0.10 0.06 63.03 Average: 2 30.53 0.00 1.88 0.17 0.06 67.36 Average: 3 30.57 0.00 1.76 0.03 0.06 67.59 Average: 4 31.77 0.00 1.70 0.14 0.06 66.33 Average: 5 30.31 0.00 1.59 0.13 0.06 67.91 Average: 6 29.47 0.00 2.07 0.16 0.06 68.25 Average: 7 27.15 0.00 2.03 0.13 0.06 70.63