---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19647 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 901 24813 4 6376 30722 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:dc:b3:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83689sec preferred_lft 83689sec inet6 fe80::f816:3eff:fedc:b38c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:ce:2d:9e:13:a8 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-19647) 02/21/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 45.28 9.97 34.16 1.15 1734.09 4462.37 14167.83 13:20:03 46.13 0.25 27.61 18.27 10.38 3608.91 514032.35 13:30:00 34.57 0.00 29.84 4.73 0.03 2688.60 24152.91 13:40:01 33.66 0.13 29.26 4.27 6.39 7366.69 12862.03 Average: 39.92 2.59 30.22 7.11 438.22 4534.55 141597.51 13:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 27252504 30344128 1974292 6.01 130036 3244736 2479384 7.31 602784 4615436 265948 13:20:03 25369980 29066240 3239364 9.86 173576 3746296 3215864 9.48 852308 6166416 16488 13:30:00 24792060 29029160 3273232 9.96 206916 4205360 3250452 9.59 989960 6569004 109484 13:40:01 25617064 31653100 641308 1.95 234816 5900796 1212096 3.57 1608344 5012260 4 Average: 25757902 30023157 2282049 6.94 186336 4274297 2539449 7.49 1013349 5590779 97981 13:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 63.88 63.88 60.35 60.35 0.00 0.00 0.00 0.00 13:10:01 ens3 124.78 94.66 1299.19 17.98 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:03 lo 1410.84 1410.84 1342.15 1342.15 0.00 0.00 0.00 0.00 13:20:03 ens3 69.40 50.03 97.97 17.68 0.00 0.00 0.00 0.00 13:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:00 lo 1801.74 1801.74 1715.60 1715.60 0.00 0.00 0.00 0.00 13:30:00 ens3 52.80 36.26 19.00 14.05 0.00 0.00 0.00 0.00 13:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1148.78 1148.78 1088.19 1088.19 0.00 0.00 0.00 0.00 13:40:01 ens3 84.51 72.10 198.84 145.64 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.32 1105.32 1050.63 1050.63 0.00 0.00 0.00 0.00 Average: ens3 82.91 63.30 404.23 48.89 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 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-19647) 02/21/26 _x86_64_ (8 CPU) 12:59:29 LINUX RESTART (8 CPU) 13:00:00 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 6.79 0.00 0.46 0.22 0.03 92.50 13:10:01 0 6.30 0.00 0.61 0.87 0.02 92.19 13:10:01 1 8.48 0.00 0.57 0.16 0.03 90.77 13:10:01 2 9.12 0.00 0.62 0.24 0.03 89.99 13:10:01 3 6.65 0.00 0.39 0.06 0.02 92.87 13:10:01 4 5.96 0.00 0.34 0.16 0.02 93.52 13:10:01 5 4.86 0.00 0.40 0.08 0.02 94.63 13:10:01 6 5.68 0.00 0.34 0.07 0.03 93.88 13:10:01 7 7.32 0.00 0.44 0.11 0.03 92.11 13:20:03 all 39.82 0.00 1.66 0.10 0.08 58.35 13:20:03 0 38.38 0.00 1.75 0.17 0.08 59.62 13:20:03 1 42.31 0.00 1.68 0.04 0.09 55.89 13:20:03 2 44.10 0.00 1.88 0.06 0.08 53.88 13:20:03 3 41.98 0.00 1.82 0.11 0.08 56.01 13:20:03 4 37.42 0.00 1.40 0.09 0.08 61.01 13:20:03 5 38.07 0.00 1.68 0.06 0.08 60.12 13:20:03 6 39.33 0.00 1.49 0.09 0.08 59.02 13:20:03 7 36.95 0.00 1.57 0.21 0.08 61.20 13:30:00 all 34.86 0.00 1.71 0.11 0.07 63.25 13:30:00 0 31.34 0.00 1.76 0.09 0.07 66.74 13:30:00 1 35.61 0.00 2.13 0.11 0.07 62.08 13:30:00 2 36.05 0.00 1.86 0.09 0.07 61.93 13:30:00 3 35.96 0.00 1.75 0.16 0.07 62.06 13:30:00 4 40.00 0.00 1.79 0.19 0.07 57.94 13:30:00 5 33.97 0.00 1.40 0.07 0.07 64.49 13:30:00 6 33.02 0.00 1.50 0.10 0.07 65.32 13:30:00 7 32.89 0.00 1.52 0.06 0.06 65.46 13:40:01 all 30.00 0.00 1.47 0.15 0.07 68.32 13:40:01 0 24.12 0.00 1.29 0.05 0.07 74.47 13:40:01 1 31.54 0.00 1.65 0.19 0.07 66.55 13:40:01 2 29.13 0.00 1.60 0.29 0.07 68.92 13:40:01 3 28.93 0.00 1.65 0.40 0.07 68.95 13:40:01 4 33.20 0.00 1.30 0.03 0.07 65.40 13:40:01 5 39.32 0.00 1.56 0.06 0.07 58.99 13:40:01 6 28.41 0.00 1.22 0.06 0.06 70.25 13:40:01 7 25.34 0.00 1.50 0.10 0.06 73.00 Average: all 27.84 0.00 1.33 0.14 0.06 70.63 Average: 0 25.02 0.00 1.35 0.30 0.06 73.28 Average: 1 29.47 0.00 1.51 0.12 0.06 68.84 Average: 2 29.57 0.00 1.49 0.17 0.06 68.71 Average: 3 28.35 0.00 1.40 0.18 0.06 70.00 Average: 4 29.12 0.00 1.21 0.12 0.06 69.50 Average: 5 29.02 0.00 1.26 0.07 0.06 69.59 Average: 6 26.59 0.00 1.13 0.08 0.06 72.14 Average: 7 25.61 0.00 1.26 0.12 0.06 72.96