---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-39322 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 13G 143G 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 705 24348 4 7038 30919 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:db:a1:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fedb:a184/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:3f:e9:0f:49:20 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::683f:e9ff:fe0f:4920/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-39322) 08/21/26 _x86_64_ (8 CPU) 03:32:58 LINUX RESTART (8 CPU) 03:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:28 25.73 0.13 22.43 3.18 5.71 2479.44 8716.37 04:00:01 49.52 12.45 32.42 4.65 140.03 3215.49 12068.16 04:10:17 70.24 1.75 49.73 18.76 303.22 8414.85 494899.74 Average: 48.54 4.61 34.95 8.98 150.29 4744.60 176124.48 03:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:28 25735384 29487752 2820600 8.58 172896 3792052 2844476 8.39 733400 5925300 21632 04:00:01 24317096 28874572 3428024 10.43 213216 4482460 3417248 10.08 945280 7063800 201612 04:10:17 24975532 31680468 610224 1.86 253108 6489496 1458948 4.30 1673700 5529052 0 Average: 25009337 30014264 2286283 6.96 213073 4921336 2573557 7.59 1117460 6172717 74415 03:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:28 lo 1394.45 1394.45 1327.67 1327.67 0.00 0.00 0.00 0.00 03:50:28 ens3 22.65 19.50 11.05 6.44 0.00 0.00 0.00 0.00 03:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:01 lo 2039.82 2039.82 1943.48 1943.48 0.00 0.00 0.00 0.00 04:00:01 ens3 23.79 20.70 7.77 7.19 0.00 0.00 0.00 0.00 04:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:17 lo 931.50 931.50 886.18 886.18 0.00 0.00 0.00 0.00 04:10:17 ens3 64.37 61.66 424.59 175.66 0.00 0.00 0.00 0.00 04:10:17 docker0 25.26 19.40 167.00 4.36 0.00 0.00 0.00 0.00 04:10:17 veth98a8ad7 25.26 19.41 167.35 4.36 0.00 0.00 0.00 0.01 Average: lo 1441.63 1441.63 1372.78 1372.78 0.00 0.00 0.00 0.00 Average: ens3 37.29 34.31 151.49 64.57 0.00 0.00 0.00 0.00 Average: docker0 8.64 6.64 57.14 1.49 0.00 0.00 0.00 0.00 Average: veth98a8ad7 8.64 6.64 57.26 1.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-8c-8g-39322) 08/21/26 _x86_64_ (8 CPU) 03:32:58 LINUX RESTART (8 CPU) 03:40:17 CPU %user %nice %system %iowait %steal %idle 03:50:28 all 35.68 0.00 1.49 0.42 0.08 62.33 03:50:28 0 33.32 0.00 1.63 1.19 0.08 63.78 03:50:28 1 33.64 0.00 1.75 0.09 0.07 64.44 03:50:28 2 34.66 0.00 1.45 0.06 0.09 63.75 03:50:28 3 34.84 0.00 1.37 1.38 0.09 62.32 03:50:28 4 40.20 0.00 1.39 0.03 0.08 58.30 03:50:28 5 38.52 0.00 1.39 0.18 0.09 59.82 03:50:28 6 32.41 0.00 1.32 0.07 0.08 66.13 03:50:28 7 37.87 0.00 1.63 0.36 0.08 60.06 04:00:01 all 42.85 0.04 2.00 0.10 0.09 54.92 04:00:01 0 40.17 0.00 1.68 0.05 0.09 58.01 04:00:01 1 40.25 0.01 2.16 0.06 0.09 57.43 04:00:01 2 47.47 0.03 2.23 0.08 0.09 50.10 04:00:01 3 42.72 0.00 1.94 0.05 0.10 55.19 04:00:01 4 39.14 0.12 1.98 0.13 0.09 58.53 04:00:01 5 45.89 0.00 2.26 0.17 0.09 51.59 04:00:01 6 43.37 0.00 1.75 0.06 0.09 54.73 04:00:01 7 43.77 0.18 1.98 0.20 0.10 53.77 04:10:17 all 27.46 0.00 1.64 0.13 0.08 70.69 04:10:17 0 25.89 0.00 1.41 0.22 0.08 72.40 04:10:17 1 23.95 0.00 1.41 0.15 0.07 74.42 04:10:17 2 25.60 0.00 1.57 0.06 0.08 72.69 04:10:17 3 25.27 0.00 1.42 0.06 0.08 73.17 04:10:17 4 26.09 0.00 1.47 0.12 0.08 72.25 04:10:17 5 31.13 0.00 1.98 0.04 0.08 66.77 04:10:17 6 29.71 0.00 1.85 0.26 0.07 68.11 04:10:17 7 32.07 0.00 2.00 0.14 0.08 65.71 Average: all 35.15 0.01 1.70 0.22 0.08 62.83 Average: 0 32.96 0.00 1.57 0.50 0.08 64.89 Average: 1 32.43 0.00 1.76 0.10 0.08 65.63 Average: 2 35.65 0.01 1.74 0.07 0.09 62.45 Average: 3 34.07 0.00 1.57 0.50 0.09 63.77 Average: 4 35.04 0.04 1.60 0.09 0.08 63.14 Average: 5 38.34 0.00 1.87 0.13 0.09 59.58 Average: 6 34.97 0.00 1.64 0.13 0.08 63.18 Average: 7 37.76 0.06 1.87 0.23 0.09 59.99