---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-33865 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 12% / 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 771 18994 4 12326 30853 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:79:6d:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84788sec preferred_lft 84788sec inet6 fe80::f816:3eff:fe79:6df3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:44:0a:81:8e:aa 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::dc44:aff:fe81:8eaa/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-33865) 07/08/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 30.37 0.45 14.07 15.85 35.06 6064.33 516298.02 01:00:00 31.03 0.53 29.78 0.72 23.07 21241.43 1658.53 Average: 30.71 0.49 21.98 8.23 29.03 13700.46 257364.61 00:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 24279408 28883872 3422352 10.41 150696 4659724 3447000 10.16 854176 7247048 1000 01:00:00 20216960 31765528 513392 1.56 220324 11270488 1132612 3.34 2987260 8905080 516508 Average: 22248184 30324700 1967872 5.99 185510 7965106 2289806 6.75 1920718 8076064 258754 00:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 5.75 5.75 0.55 0.55 0.00 0.00 0.00 0.00 00:50:01 ens3 90.05 60.23 544.25 13.58 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 01:00:00 lo 251.68 251.68 245.77 245.77 0.00 0.00 0.00 0.00 01:00:00 ens3 71.83 59.20 363.20 14.12 0.00 0.00 0.00 0.00 01:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 129.48 129.48 123.93 123.93 0.00 0.00 0.00 0.00 Average: ens3 80.88 59.71 453.16 13.85 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-33865) 07/08/26 _x86_64_ (8 CPU) 00:36:19 LINUX RESTART (8 CPU) 00:40:09 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 39.97 0.00 1.52 0.07 0.07 58.38 00:50:01 0 34.12 0.00 1.36 0.07 0.06 64.38 00:50:01 1 41.92 0.00 1.72 0.04 0.07 56.25 00:50:01 2 45.60 0.00 1.68 0.05 0.07 52.60 00:50:01 3 35.79 0.00 1.67 0.09 0.07 62.39 00:50:01 4 40.91 0.00 1.18 0.04 0.07 57.81 00:50:01 5 43.38 0.00 1.63 0.07 0.07 54.85 00:50:01 6 41.50 0.00 1.50 0.07 0.07 56.87 00:50:01 7 36.57 0.00 1.43 0.10 0.06 61.84 01:00:00 all 17.59 0.00 1.22 0.14 0.05 80.99 01:00:00 0 23.08 0.00 1.43 0.01 0.06 75.42 01:00:00 1 17.86 0.00 1.45 0.02 0.06 80.60 01:00:00 2 18.76 0.00 1.33 0.06 0.06 79.80 01:00:00 3 15.44 0.00 1.06 0.42 0.05 83.03 01:00:00 4 17.72 0.00 1.14 0.08 0.06 81.00 01:00:00 5 11.64 0.00 1.01 0.14 0.05 87.17 01:00:00 6 22.32 0.00 1.41 0.15 0.05 76.07 01:00:00 7 13.91 0.00 0.96 0.22 0.05 84.86 Average: all 28.72 0.00 1.37 0.10 0.06 69.75 Average: 0 28.57 0.00 1.39 0.04 0.06 69.94 Average: 1 29.82 0.00 1.59 0.03 0.07 68.50 Average: 2 32.10 0.00 1.50 0.06 0.07 66.28 Average: 3 25.56 0.00 1.37 0.25 0.06 72.76 Average: 4 29.25 0.00 1.16 0.06 0.06 69.47 Average: 5 27.42 0.00 1.32 0.11 0.06 71.10 Average: 6 31.85 0.00 1.45 0.11 0.06 66.53 Average: 7 25.17 0.00 1.20 0.16 0.06 73.42